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| Trends in genetic gain for yam in the IITA breeding program, Asfaw, A., Agre, A. P., Dieng, I., Adebola, P. O., Obidiegwu, J.*, Chamba, E.*, Darkwa, K.*, Otoo, E.*, Dansi, A.*, Dibi, K. E. B., Kouakou, A. M. and Asiedu, R., in: Crop Science, pages 1-13, ISSN 0011-183X, 2024. [DOI] |
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| Adoption potential of black soldier fly (Hermetia illucens (L.), Diptera: Stratiomyidae) larvae composting technology among smallholder farmers in Greater Ahafo-Ano, Ashanti region of Ghana, Dzepe, D., Osae, M. Y., Asabre, J. O., Twumasi, A., Ofori, E. S. K.*, Atampugre, G., Abdoulaye, T., Asiedu, R. and Djouaka, R. F., in: Green Technologies and Sustainability, volume 2, number 3: 100112, pages 1-9, ISSN 2949-7361, 2024. [DOI] |
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| Identification of diagnostic KASP-SNP markers for routine breeding activities in yam (Dioscorea spp.), Agre, A. P., Clark, L. V., Garcia-Oliveira, A. L.+, Bohar, R., Adebola, P. O., Asiedu, R., Terauchi, R. and Asfaw, A., in: Plant Genome, volume 17, number -: e20419, pages 1-11, ISSN 1940-3372, 2024. [DOI] |
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| Evaluation of training on good agronomic practices for seed yam production in Nigeria, Mignouna, D., Aighewi, B., Maroya, N., Akinribido, B., Balogun, M., Akintayo, O. T., Amah, D., Awotide, B. A., Dontsop-Nguezet, P., Abdoulaye, T., Asiedu, R. and Manyong, V., in: Seeds, volume 2, number 1, pages 116-126, ISSN 2674-1024, 2023. [DOI] |
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| Genome-wide dissection of the genetic factors underlying food quality in boiled and pounded white Guinea yam, Asfaw, A., Agre, A. P., Matsumoto, R., Olatunji, A. A., Edemodu, A., Olusola, T., Odom-Kolombia, O. L., Adesokan, M., Alamu, E. O., Adebola, P. O., Asiedu, R. and Maziya-Dixon, B., in: Journal of the Science of Food and Agriculture, pages 1-15, ISSN 0022-5142, 2023. [DOI] |
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| Molecular and phenotypic profiling of white Guinea yam (Dioscorea rotundata) breeding lines, Norman, P. E., Asfaw, A., Agre, A. P., Danquah, A.*, Tongoona, P.*, Danquah, E.* and Asiedu, R., in: Frontiers in Horticulture, volume 2, number -: 1290521, pages 1-14, ISSN 2813-3595, 2023. [DOI] |
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| Identification of diagnostic KASP-SNP markers for routine breeding activities in yam (Dioscorea spp.), Agre, A. P., Clark, L. V., Garcia-Oliveira, A. L.+, Bohar, R., Adebola, P. O., Asiedu, R., Terauchi, R. and Asfaw, A., in: Plant Genome, pages 1-11, ISSN 1940-3372, 2023. [DOI] |
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| Variability and genetic merits of white Guinea yam landraces in Nigeria, Agre, A. P., Edemodu, A., Obidiegwu, J.*, Adebola, P. O., Asiedu, R. and Asfaw, A., in: Frontiers in Plant Science, volume 14, number -: 1051840, pages 1-12, ISSN 1664-462X, 2023. [DOI] |
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| Agronomic and hormonal approaches for enhancing flowering intensity in white Guinea yam (Dioscorea rotundata Poir.), Mondo, J., Agre, A. P., Chuma, G. B.*, Asiedu, R., Akoroda, M. O.* and Asfaw, A., in: Frontiers in Plant Science, volume 14, number -: 1250771, pages 1-11, ISSN 1664-462X, 2023. [DOI] |
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| Eliminating hunger: yam for improved income and food security in west Africa, Aighewi, B., Maroya, N., Asiedu, R., Mignouna, D., Balogun, M. and Kumar, P. L., pages 1-21, MDPI, ISBN 978-3-03897-863-3-3, 2023. [DOI] |
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| Chromosome evolution and the genetic basis of agronomically important traits in greater yam, Bredeson, J. V., Lyons, J. B., Oniyinde, I. O., Okereke, N. R.*, Kolade, O., Nnabue, I.*, Nwadili, C. O.*, Hřibová, E., Parker, M., Nwogha, J.*, Shu, S., Carlson, J., Kariba, R., Muthemba, S., Knop, K., Barton, G. J., Sherwood, A. V., Lopez-Montes, A., Asiedu, R., Jamnadass, R., Muchugi, A., Goodstein, D., Egesi, C., Featherston, J., Asfaw, A., Simpson, G. G., Doležel, J., Hendre, P., Van Deynze, A., Kumar, P. L., Obidiegwu, J.*, Bhattacharjee, R. and Rokhsar, D. S., in: Nature Communications, volume 13, number 1: 2001, pages 1-16, ISSN 2041-1723, 2022. [DOI] |
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| Identification of QTLs controlling resistance to anthracnose disease in water yam (Dioscorea alata), Agre, A. P., Darkwa, K.*, Olasanmi, B.*, Kolade, O., Mournet, P., Bhattacharjee, R., Lopez-Montes, A ., De Koeyer, D ., Adebola, P. O., Kumar, P. L., Asiedu, R. and Asfaw, A., in: Genes, volume 13, number 2: 347, pages 1-16, ISSN 2073-4425, 2022. [DOI] |
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| Biotechnology approaches in breeding for biotic stress resistance in yam (Dioscorea spp.), Agre, A. P., Mondo, J., Edemodu, A., Matsumoto, R., Kolade, O., Kumar, P. L., Asiedu, R., Akoroda, M. O.*, Bhattacharjee, R., Gedil, M., Adebola, P. O. and Asfaw, A., pages 583-616, Springer, ISBN 978-3-031-09292-3, 2022. [DOI] |
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| Biomass production and nutrient use efficiency in white Guinea yam (Dioscorea rotundata Poir.) genotypes grown under contrasting soil mineral nutrient availability, Matsumoto, R., Asfaw, A., Ishikawa, H., Takada, K., Shiwachi, H. and Asiedu, R., in: Frontiers in Plant Science, volume 13, number : 973388, pages 1-12, ISSN 1664-462X, 2022. [DOI] |
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| Transforming yam seed systems in west Africa, Maroya, N., Balogun, M., Aighewi, B., Mignouna, D., Kumar, P. L. and Asiedu, R., pages 421-451, chapter 14, Springer, ISBN 978-3-030-92021-0, 2022. [DOI] |
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| Direct planting versus transplanting of yam leaf-bud cuttings for seed production, Aighewi, B., Maroya, N., Aihebhoria, D., Balogun, M., Mignouna, D. and Asiedu, R., International Institute of Tropical Agriculture, 2022. |
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| Breeding for abiotic stress resistance in yam (Dioscorea Spp.) using biotechnology approaches: present practices and prospects, Agre, A. P., Mondo, J., Edemodu, A., Matsumoto, R., Asiedu, R., Akoroda, M. O.*, Bhattacharjee, R., Gedil, M., Adebola, P. O. and Asfaw, A., pages 429-457, Springer, ISBN 978-3-031-05705-2, 2022. [DOI] |
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| Cross compatibility in intraspecific and interspecific hybridization in yam (Dioscorea spp.), Mondo, J., Agre, A. P., Edemodu, A., Asiedu, R., Akoroda, M. O.* and Asfaw, A., in: Scientific Reports, volume 12, number -: 3432, pages 1-13, ISSN 2045-2322, 2022. [DOI] |
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| Association mapping of plant sex and cross-compatibility related traits in white Guinea yam (Dioscorea rotundata Poir.) clones, Asfaw, A., Mondo, J., Agre, A. P., Asiedu, R. and Akoroda, M. O.*, in: BMC Plant Biology, volume 22, number 1: 294, pages 1-12, ISSN 1471-2229, 2022. [DOI] |
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| Optimum time for hand pollination in yam (Dioscorea spp.), Mondo, J., Agre, A. P., Asiedu, R., Akoroda, M. O.* and Asfaw, A., in: PloS ONE, volume 17, number 8: e0269670, pages 1-16, ISSN 1932-6203, 2022. [DOI] |
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| Multiple-traits selection in White Guinea Yam (Dioscorea rotundata) genotypes, Norman, P. E., Agre, A. P., Asiedu, R. and Asfaw, A., in: Plants, volume 11, number 21: 3003, pages 1-15, ISSN 2223-7747, 2022. [DOI] |
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| Chromosome evolution and the genetic basis of agronomically important traits in greater yam, Bredeson, J. V., Lyons, J. B., Oniyinde, I. O., Okereke, N. R.*, Kolade, O., Nnabue, I.*, Nwadili, C., Hřibová, E., Parker, M., Nwogha, J.*, Shu, S., Carlson, J., Kariba, R., Muthemba, S., Knop, K., Barton, G. J., Sherwood, A. V., Lopez-Montes, A., Asiedu, R., Jamnadass, R., Muchugi, A., Goodstein, D., Egesi, C., Featherston, J., Asfaw, A., Simpson, G. G., Doležel, J., Hendre, P., Van Deynze, A., Kumar, P. L., Obidiegwu, J.*, Bhattacharjee, R. and Rokhsar, D. S., in: bioRxiv, pages 1-36, ISSN 2692-8205, 2021. [DOI] |
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| Diversity of white Guinea yam (Dioscorea rotundata Poir.) cultivars from Benin as revealed by agro-morphological traits and SNP markers, Agre, A. P., Dassou, A. G.*, Loko, Y.*, Idossou, R.*, Dadonougbo, E.*, Gbaguidi, A. A.*, Mondo, J., Muyideen, Y., Adebola, P. O., Asiedu, R., Dansi, A.* and Asfaw, A., in: Plant Genetic Resources: Characterization and Utilization, pages 1-10, ISSN 1479-2621, 2021. [DOI] |
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| Simple sequence repeat-based mini-core collection for white Guinea yam (Dioscorea rotundata) germplasm, Pachakkil, B., Yamanaka, S., Girma Tessema, G., Matsumoto, R., Tamiru-Oli, M., Bhattacharjee, R., Abberton, M., Muranaka, S., Asiedu, R., Terauchi, R. and Takagi, H., in: Crop Science, pages 1-12, ISSN 0011-183X, 2021. [DOI] |
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| Cytological and molecular characterization for ploidy determination in yams (Dioscorea spp.), Gatarira, C., Sladekova, L., Nemeckova, A., Simonikova, D., Paliwal, R., Asfaw, A., Abberton, M., Gueye, B., Asiedu, R., Cizkova, J., Hřibová, E., Doležel, J., De Koeyer, D ., Adetimirin, V.* and Bhattacharjee, R., in: Agronomy, volume 11, number 10: 1897, pages 1-13, ISSN 2073-4395, 2021. [DOI] |
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| Population genomics of yams: evolution and domestication of Dioscorea species, Sugihara, Y., Kudoh, A., Oli, M. T., Takagi, H., Natsume, S., Shimizu, M., Abe, A., Asiedu, R., Asfaw, A., Adebola, P. O. and Terauchi, R., Population Genomics, pages 1-28, Springer, 2021. [DOI] |
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| Variation in tuber dry matter content and starch pasting properties of white Guinea yam (Dioscorea rotundata) genotypes grown in three groecologies of NIGERIA, Matsumoto, R., Asfaw, A., De Koeyer, D., Muranaka, S., Yoshihashi, T., Ishikawa, H., Adebola, P. O. and Asiedu, R., in: Agronomy, volume 11, number 10: 1944, pages 1-15, ISSN 2073-4395, 2021. [DOI] |
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| Genetic parameter estimation and selection in advanced breeding population of white Guinea yam, Norman, P. E., Tongoona, P.*, Danquah, A.*, Danquah, E.*, Agre, A. P., Agbona, A ., Asiedu, R. and Asfaw, A., in: Journal of Crop Improvement, pages 1-26, ISSN 1542-7528, 2021. [DOI] |
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| Seed yam production using high-quality minitubers derived from plants established with vine cuttings, Aighewi, B., Maroya, N., Kumar, P. L., Balogun, M., Aihebhoria, D., Mignouna, D. and Asiedu, R., in: Agronomy, volume 11, number -: 978, pages 1-12, ISSN 2073-4395, 2021. [DOI] |
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| Yam seed system characteristics in Nigeria: local practices, preferences, and the implications for seed system interventions, Stuart, E., Asfaw, A., Adebola, P. O., Maroya, N., Edemodu, A., Adeosun, T., Asiedu, R. and Almekinders, C. J., in: Outlook on Agriculture, volume 50, number 4, pages 455-467, ISSN 0030-7270, 2021. [DOI] |
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| Genetic diversity and population structure of soybean lines adapted to sub-Saharan Africa using Single Nucleotide Polymorphism (SNP) markers, Chander, S., Garcia-Oliveira, A. L., Gedil, M., Shah, T., Otusanya, G. O., Asiedu, R. and Chigeza, G., in: Agronomy, volume 11, number 3: 604, pages 1-11, ISSN 2073-4395, 2021. [DOI] |
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| Low soil nutrient tolerance and mineral fertilizer response in White Guinea Yam (Dioscorea rotundata) genotypes, Matsumoto, R., Ishikawa, H., Asfaw, A. and Asiedu, R., in: Frontiers in Plant Science, volume 12, number -: 629762, pages 1-10, ISSN 1664-462X, 2021. [DOI] |
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| Priority interventions for transformational change in the Sahel, Abberton, M., Abdoulaye, T., Ademonla, D. A., Asiedu, R., Ayantunde, A. A., Bayala, J., Cofie, O., Kane-Potaka, J., Zwart, S., Tabo, R., Tenkouano, A.+, Tepa-Yotto, G., Togola, A., Whitbread, A., Worou, O. N. and Zougmore, R., Working paper No. 353: CGIAR Research Program on Climate Change, Agriculture and Food Security (CCAFS), 2021. |
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| Genome-wide association studies for sex determination and cross-compatibility in water yam (Dioscorea alata L.), Mondo, J., Agre, A. P., Asiedu, R., Akoroda, M. O.* and Asfaw, A., in: Plants, volume 10, number 7: 1412, pages 1-18, ISSN 2223-7747, 2021. [DOI] |
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| Optimized protocol for in vitro pollen germination in yam (Dioscorea spp.), Mondo, J., Agre, A. P., Asiedu, R., Akoroda, M. O.* and Asfaw, A., in: Plants, volume 10, number 4: 795, pages 1-12, ISSN 2223-7747, 2021. [DOI] |
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| Identification of quantitative trait nucleotides and candidate genes for tuber yield and mosaic virus tolerance in an elite population of white guinea yam (Dioscorea rotundata) using genome-wide association scan, Agre, A. P., Norman, P. E.*, Asiedu, R. and Asfaw, A., in: BMC Plant Biology, volume 21, number : 552, pages 1-16, ISSN 1471-2229, 2021. [DOI] |
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| Genome analyses reveal the hybrid origin of the staple crop white Guinea yam (Dioscorea rotundata), Sugihara, Y., Darkwa, K., Yaegashi, H., Natsume, S., Shimizu, M., Abe, A., Hirabuchi, A., Ito, K., Oikawa, K., Tamiru-Oli, M., Ohta, A., Matsumoto, R., Agre, A. P., De Koeyer, D ., Pachakkil, B., Yamanaka, S., Muranaka, S., Takagi, H., White, B., Asiedu, R., Innan, H., Asfaw, A., Adebola, P. O. and Terauchi, R., in: Proceedings of the National Academy of Sciences (PNAS), volume 117, number 50, pages 31987-31992, ISSN 0027-8424, 2020. [DOI] |
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| Potential returns to yam research investment in sub-Saharan Africa and beyond, Mignouna, D., Akinola, A., Abdoulaye, T., Alene, A., Manyong, V., Maroya, N., Aighewi, B., Kumar, P. L., Balogun, M., Lopez-Montes, A ., Rees, D. and Asiedu, R., in: Outlook on Agriculture, volume 49, number 3, pages 215-224, ISSN 0030-7270, 2020. [DOI] |
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| Comparative assessment of genetic diversity matrices and clustering methods in white Guinea yam (Dioscorea rotundata) based on morphological and molecular markers, Darkwa, K., Agre, A. P., Olasanmi, B.*, Iseki, K., Matsumoto, R., Powell, A., Bauchet, G. J., De Koeyer, D ., Muranaka, S., Adebola, P. O., Asiedu, R., Terauchi, R. and Asfaw, A., in: Scientific Reports, volume 10, number -: 13191, pages 1-14, ISSN 2045-2322, 2020. [DOI] |
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| Breeder seed yam tuber production using temporary immersion bioreactors, Balogun, M., Maroya, N., Taiwo, J., Chukwunalu, O., Ajayi, A., Gbadegesin, M., Kumar, P. L., Pelemo, O., Aighewi, B., Mignouna, D. and Asiedu, R., International Institute of Tropical Agriculture, ISBN 978-978-131-403-2, 2020. |
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| Genotyping-by-sequencing to unlock genetic diversity and population structure in white yam (dioscorea rotundata poir.), Bhattacharjee, R., Agre, A. P., Bauchet, G. J., De Koeyer, D ., Lopez-Montes, A., Kumar, P. L., Abberton, M., Adebola, P. O., Asfaw, A. and Asiedu, R., in: Agronomy, volume 10, number 9: 1437, pages 1-16, ISSN 0002-1962, 2020. [DOI] |
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| Genetic parameters, prediction, and selection in a white Guinea yam early-generation breeding population using pedigree information, Asfaw, A., Aderonmu, S. D., Darkwa, K., De Koeyer, D., Agre, A. P., Abe, A., Olasanmi, B.*, Adebola, P. O. and Asiedu, R., in: Crop Science, pages 1-14, ISSN 0011-183X, 2020. [DOI] |
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| Evolvement and advances in the hydroponics system for clean seed yam production: YIIFSWA working paper series No. 9, Balogun, M., Maroya, N., Aighewi, B., Chukwunalu, O., Ajayi, A., Taiwo, J., Kumar, P. L., Mignouna, D. and Asiedu, R., YIIFSWA working paper series, 2020. |
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| Paternity assignment in white guinea yam (Dioscorea Rotundata) half-sib Progenies from polycross mating design using SNP markers, Norman, P. E., Agre, A. P., Danquah, A.*, Tongoona, P.*, Danquah, E.*, De Koeyer, D ., Ikeogu, U. N., Asiedu, R. and Asfaw, A., in: Plants, volume 9, number 4: 527, pages 1-15, ISSN 2223-7747, 2020. [DOI] |
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| Genome-wide association analysis for tuber dry matter and oxidative browning in water yam (Dioscorea alata L.), Gatarira, C., Agre, A. P., Matsumoto, R., Edemodu, A., Adetimirin, V.*, Bhattacharjee, R., Asiedu, R. and Asfaw, A., in: Plants, volume 9, number 8: 969, pages 1-19, ISSN 2223-7747, 2020. [DOI] |
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| Seed viability, seedling growth and yield in white Guinea yam, Norman, P. E., Danquah, A.*, Asfaw, A., Tongoona, P.*, Danquah, E.* and Asiedu, R., in: Agronomy, volume 11, number 1: 2, pages 1-9, ISSN 2073-4395, 2020. [DOI] |
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| Identification of QTLs for grain yield and other traits in tropical maize under striga infestation, Badu-Apraku, B., Adewale, S. A., Agre, A. P., Gedil, M., Toyinbo, J. O. and Asiedu, R., in: PloS ONE, volume 15, number 9: e0239205, pages 1-20, ISSN 1932-6203, 2020. [DOI] |
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| The influence of minisett size and time of planting on the yield of seed yam (Dioscorea Rotundata), Aighewi, B., Maroya, N., Mignouna, D., Aihebhoria, D., Balogun, M. and Asiedu, R., in: Experimental Agriculture, volume 56, number 3, pages 469-481, ISSN 0014-4797, 2020. [DOI] |
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| Floral biology and pollination efficiency in yam (Dioscorea spp.), Mondo, J., Agre, A. P., Edemodu, A., Adebola, P. O., Asiedu, R., Akoroda, M. O.* and Asfaw, A., in: Agriculture, volume 10, number 11, pages 1-21, ISSN 2077-0472, 2020. [DOI] |
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| Identification of QTLs controlling resistance/tolerance to Striga hermonthica in an extra-early maturing yellow maize population, Badu-Apraku, B., Adewale, S. A., Agre, A. P., Gedil, M. and Asiedu, R., in: Agronomy, volume 10, number 8: 1168, pages 1-18, ISSN 2073-4395, 2020. [DOI] |
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| Seed yam production from whole tubers versus minisetts, Aighewi, B., Maroya, N., Asiedu, R., Aihebhoria, D., Balogun, M. and Mignouna, D., in: Journal of Crop Improvement, volume 34, number 6, pages 858-874, ISSN 1542-7528, 2020. [DOI] |
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| Review of empirical and emerging breeding methods and tools for yam (Dioscorea spp.) improvement: status and prospects, Darkwa, K., Olasanmi, B.*, Asiedu, R. and Asfaw, A., in: Plant Breeding, volume 139, number 3, pages 474-497, ISSN 0179-9541, 2020. [DOI] |
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| Breeding clonally propagated species: the practice of yam breeding, Asfaw, A., Darkwa, K. and Asiedu, R., pages 362-371, chapter 19, Wiley, ISBN 978-1-119-62632-9, 2020. |
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| Assessment of the suitability of different cassava varieties for gari and fufu flour production in Liberia, Awoyale, W., Asiedu, R., Kawalawu, W. K.*, Abass, A., Maziya-Dixon, B., Kromah, A.*, Edet, M. and Mulbah, S.*, in: Asian Food Science Journal, volume 14, number 2: AFSJ.54567, pages 36-52, ISSN 2581-7752, 2020. [DOI] |
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| Upscaling cassava processing machines and products in Liberia, Awoyale, W., Asiedu, R., Kawalawu, W. K.*, Kolawole, P., Diallo, T. A., Edet, M. and Adetunji, M.*, in: Croatian Journal of Food Science and Technology, volume 12, number 1, pages 1-7, ISSN 1847-3466, 2020. [DOI] |
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| Application of predictive breeding in yam improvement for west Africa, Asfaw, A., Aderonmu, S. D., Norman, D, Darkwa, K., De Koeyer, D., Agre, A. P., Kouaku, A., Chamba, E.*, Otoo, E.*, Obidiegwu, J.*, Nwachukwu, E.*, Dossou-Aminon, I.*, Dansi, A.*, Oselebe, H. O.*, Adebola, P. O. and Asiedu, R., in: Tropical Agriculture Research, volume 12, number 2, pages 117-120, ISSN 1016-1422, 2019. |
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| Development and evaluation of steamer for Attieke production: a cross cutting initiative of CGIAR Research Program for Roots , Tubers and Bananas: poster, Sangodoyin, O. M.*, Alamu, E. O., Diallo, T. A., Kolawole, P., Abass, A., Maziya-Dixon, B., Parkes, E., Awoyale, W., Buraimoh, B., Ben, J., Tran, T., Jekayinfa, S. O.*, Olajide, J. O.*, Kulakow, P., Dixon, A. and Asiedu, R., International Institute of Tropical Agriculture, 2019. |
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| Yield gains and associated changes in an early yellow bi-parental maize population following genomic selection for Striga resistance and drought tolerance, Badu-Apraku, B., Talabi, A. O., Fakorede, M.*, Fasanmade, Y., Gedil, M., Magorokosho, C. and Asiedu, R., in: BMC Plant Biology, volume 19, number 129, pages 1-17, ISSN 1471-2229, 2019. [DOI] |
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| Phenotypic and molecular assessment of genetic structure and diversity in a panel of winged yam (Dioscorea alata) clones and cultivars, Agre, A. P., Asibe, F., Darkwa, K., Edemodu, A., Bauchet, G. J., Asiedu, R., Adebola, P. O. and Asfaw, A., in: Scientific Reports, volume 9, number -: 18221, pages 1-11, ISSN 2045-2322, 2019. [DOI] |
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| Spatial multivariate cluster analysis for defining target population of environments in west Africa for yam breeding, Alabi, T. R., Adebola, P. O., Asfaw, A., De Koeyer, D., Lopez-Montes, A . and Asiedu, R., in: International Journal of Applied Geospatial Research, volume 10, number 3, pages 1-30, ISSN 1947-9654, 2019. [DOI] |
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| Evaluation of the chemical composition and functional properties of gari from Liberia, Awoyale, W., Kawalawu, W. K.*, Asiedu, R., Maziya-Dixon, B., Abass, A. and Edet, M., in: Croatian Journal of Food Science and Technology, volume 11, number 2, pages 157-167, ISSN 1847-3466, 2019. [DOI] |
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| Pollination success in some white yam genotypes under polycross and nested mating designs, Norman, P. E.*, Asfaw, A., Tongoona, P.*, Danquah, A.*, Danquah, E.*, De Koeyer, D. and Asiedu, R., in: International Journal of Biological Sciences and Applications, volume 5, number 2, pages 19-28, ISSN 2375-3811, 2018. |
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| Can parentage analysis facilitate breeding activities in root and tuber crops?, Norman, P. E.*, Asfaw, A., Tongoona, P.*, Danquah, A.*, Danquah, E.*, De Koeyer, D. and Asiedu, R., in: Agriculture, volume 8, number 7, pages 1-24, ISSN 2077-0472, 2018. [DOI] |
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| Gains in grain yield of extra-early maize during three breeding periods under drought and rain-fed conditions, Badu-Apraku, B., Talabi, A. O., Ifie, B. E., Chabi, Y.*, Obeng-Antwi, K., Haruna, A.* and Asiedu, R., in: Crop Science, pages 1-39, ISSN 0011-183X, 2018. [DOI] |
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| Genetic variances and heritabilities of early yellow maize population following cycles of improvement for Striga resistance and drought tolerance, Badu-Apraku, B., Ifie, B. E., Talabi, A. O., Obeng-Bio, E. and Asiedu, R., in: Crop Science, pages 1-35, ISSN 0011-183X, 2018. [DOI] |
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| YIIFSWA research brief: improving yam micropropagation series 2. Development of micropropagation system for yam (Dioscorea spp.) using somatic embryogenesis, Ossai, C., Balogun, M., Maroya, N. and Asiedu, R., YIIFSWA-II research brief: series 2, 2018. |
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| Genome sequencing of the staple food crop white Guinea yam enables the development of a molecular marker for sex determination, Tamiru, M., Natsume, S., Takagi, Hiroki, White, B., Yaegashi, H., Shimizu, M., Yoshida, K., Uemura, A., Oikawa, K., Abe, A., Urasaki, N., Yamanaka, S., Matsumoto, R., Muranaka, S., Girma Tessema, G., Lopez-Montes, A., Gedil, M., Bhattacharjee, R., Abberton, M., Kumar, P. L., Rabbi, I. Y., Tsujimura, M., Terachi, T., Haerty, W., Corpas, M., Kamoun, S., Kahl, G., Takagi, H., Asiedu, R. and Terauchi, R., in: BMC Biology, volume 15, number 86, pages 1-20, ISSN 1741-7007, 2017. [DOI] |
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| Impact assessment report of YIIFSWA project: raising household income, improving food security and reducing poverty in Ghana, Mignouna, D., Maroya, N., Aighewi, B., Kumar, P. L., Abdoulaye, T., Akinola, A., Otabil, P., Braimah, H., Alene, A., Manyong, V. and Asiedu, R., Booklet, 2017. |
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| Impact assessment report of YIIFSWA project: raising household income, improving food security and reducing poverty in Nigeria, Mignouna, D., Maroya, N., Aighewi, B., Kumar, P. L., Akinribido, B., Ikeorgu, J.*, Abdoulaye, T., Akinola, A., Alene, A., Manyong, V. and Asiedu, R., YIIFSWA impact assessment report, 2017. |
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| Clean breeder seed yam tuber production using temporary immersion bioreactors, Balogun, M., Maroya, N., Taiwo, J., Chukwunalu, O., Ajayi, A., Kumar, P. L., Pelemo, O., Aighewi, B. and Asiedu, R., International Institute of Tropical Agriculture, 2017. |
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| Relative efficiency of positive selection and tissue culture for generating pathogen-free planting materials of yam (Dioscorea spp.), Balogun, M., Maroya, N., Augusto, J., Ajayi, A., Kumar, P. L., Aighewi, B. and Asiedu, R., in: Czech Journal of Genetics and Plant Breeding, volume 53, number 1, pages 9-16, ISSN 1212-1975, 2017. [DOI] |
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| Manual for clean foundation seed yam production using aeroponics system, Maroya, N., Balogun, M., Aighewi, B., Lasisi, J. and Asiedu, R., International Institute of Tropical Agriculture, 2017. |
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| Retention of iron and zinc in yam flour and boiled yam processed from white yam (D. rotundata) varieties, Maziya-Dixon, B., Alamu, E. O., Wireko-Manu, F. D.* and Asiedu, R., in: Food Science & Nutrition, volume 5, number 3, pages 662-668, ISSN 2048-7177, 2017. [DOI] |
|
| Effects of basal medium and plant growth regulator regimes on meristem and nodal cultures in white yam (D. rotundata), Ajayi, A., Balogun, M., Maroya, N. and Asiedu, R., YIIFSWA Research Brief, 2017. |
|
| Assessment of heavy metals and microbial contamination of gari from Liberia, Awoyale, W., Asiedu, R., Kawalawu, W. K.*, Maziya-Dixon, B., Abass, A., Edet, M. and Adetunji, M.*, in: Food Science & Nutrition, pages 1-5, ISSN 2048-7177, 2017. [DOI] |
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| Whole genome sequencing of White guinea yam (Dioscorea rotundata): towards generating genetic and genomic tools for improvement of an African 'orphan' crop, Oli, M. T., Natsume, S., Takagi, H., Yoshida, K., Yaegashi, H., Uemura, A., Oikawa, K., Uraski, N., Matsumura, H., Babil, P., Yamanaka, S., Matsumoto, R., Muranaka, S., Girma Tessema, G., Lopez-Montes, A., Gedil, M., Bhattacharjee, R., Abberton, M., Kumar, P. L., Rabbi, I. Y., Kahl, G., Takagi, H., Asiedu, R. and Terauchi, R., Abstract, p. w899, in the book of abstracts of the Plant and Animal Genome XXIV Conference January 08 - 13, San Diego, CA, 2016. |
|
| Comparative reliability of screening parameters for anthracnose resistance in water yam (Dioscorea alata), Nwadili, C., Augusto, J., Bhattacharjee, R., Atehnkeng, J., Lopez-Montes, A., Onyeka, T. J.*, Kumar, P. L., Asiedu, R. and Bandyopadhyay, R., in: Plant Disease, pages 1-8, ISSN 0191-2917, 2016. [DOI] |
|
| AfricaYam - a project to strengthen yam breeding in west Africa, De Koeyer, D., Lopez-Montes, A., Asfaw, A., Bhattacharjee, R., Abberton, M., Maziya-Dixon, B., Kumar, P. L. and Asiedu, R., Abstract, S13-04 in the Book of Abstracts, World Congress on Root and Tuber Crops, Nanning, China, 2016., 2016. |
|
| An EST-SSR based genetic linkage map of water yam (Dioscorea alata L.) and identification of QTL (s) for anthracnose disease: proceeding (poster), Bhattacharjee, R., Nwadili, C., Saski, C. A., Scheffler, B. E., Onyeka, J.*, Augusto, J., Lopez-Montes, A., Asiedu, R., Kumar, P. L. and Bandyopadhyay, R., 2016. |
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| Impact evaluation protocols for agricultural projects: the case of Yam Improvement for Income and Food Security in West Africa; YIIFSWA working paper series, No. 7, Mignouna, D., Akinola, A., Abdoulaye, T., Alene, A., Maroya, N., Aighewi, B., Wobill, T. and Asiedu, R., YIIFSWA working paper series, International Institute of Tropical Agriculture, ISBN 978-978-8444-67-1, 2016. |
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| Advanced omic technologies for genetic enhancement of yam (Dioscorea spp.), Bhattacharjee, R., Tripathi, L., Lopez-Montes, A., Abberton, M., Kumar, P. L., Dekoyer, D. and Asiedu, R., Abstract, p. w900 in the book of abstracts of the Plant and Animal Genome XXIV Conference January 08 - 13, San Diego, CA, 2016. |
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| Advanced genomic technologies for genetic enhancement of yam (dioscorea spp.): proceeding (poster), Bhattacharjee, R., Lopez-Montes, A., Abberton, M., Kumar, P. L., De Koeyer, D. and Asiedu, R., World Congress on Root and Tuber Crops, 2016. |
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| In vitro regeneration of yam species crossing (Dioscorea rotundata and Dioscorea bulbifera) through ovule culture: proceeding (poster), Saini, H., Kashihara, Y., Adeleke, T., Lopez-Montes, A. and Asiedu, R., World Congress on Root and Tuber Crops (WCRTC), 2016. |
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| Characterization and classification of the provitamin A carotenoids of deep yellow-fleshed bitter yam (Dioscorea dumetorum) varieties, Alamu, E. O., Maziya-Dixon, B., Ferede-Menkir, R., Popoola, I., Asiedu, R. and Gondwe, T., in: Journal of Food and Nutrition Research, volume 4, number 10, pages 640-645, ISSN 2333-1119, 2016. [DOI] |
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| Interspecific crossing between yam species (Dioscorea rotundata and Dioscorea bulbifera) through in vitro ovule culture, Saini, H., Kashihara, Y., Lopez-Montes, A. and Asiedu, R., in: American Journal of Plant Sciences, volume 7, number 8, pages 1268-1274, ISSN 2158-2742, 2016. [DOI] |
|
| Tropical cover crops for the management of the yam nematode, Scutellonema bradys, Claudius-Cole, A. O.*, Asiedu, R. and Fawole, B.*, in: International Journal of Pest Management, volume 62, number 1, pages 85-91, ISSN 0967-0874, 2016. [DOI] |
|
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| Development of genomic simple sequence repeat markers for yam, Tamiru, M., Yamanaka, S., Mitsuoka, C., Babil, P. K., Takagi, Hiroki, Lopez-Montes, A., Sartie, A. M., Asiedu, R. and Terauchi, R., in: Crop Science, volume 55, pages 1-10, ISSN 0011-183X, 2015. [DOI] |
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| A microeconometric analysis of household consumption expenditure determinants in yam-growing areas of Nigeria and Ghana, Mignouna, D., Abdoulaye, T., Alene, A., Manyong, V., Dontsop-Nguezet, P., Ainembabazi, J. H. and Asiedu, R., in: Tropicultura, volume 33, number 3, pages 226-237, ISSN 0771-3312, 2015. |
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| Advanced technologies for genetic enhancement of Yam, Bhattacharjee, R., Lopez-Montes, A., Abberton, M., Kumar, P. L. and Asiedu, R., Abstract, p. 385 in the book of abstracts of the Tropentag 2015: management of land use systems for enhanced food security - conflicts, controversies and resolutions, in Humboldt-Universitat Berlin, Germany, September 16 - 18, 2015. |
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| Effects of policies on yam production and consumption in Nigeria, Adesiyan, O. F.*, Adesiyan, A. T.*, Bamire, A. S.*, Ousmane, C. and Asiedu, R., in: Agribusiness, pages 1-16, ISSN 0742-4477, 2015. [DOI] |
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| Genomic resources for water yam (Dioscorea alata L.): analyses of EST sequences, De Novo sequencing and GBS libraries, Saski, C. A., Bhattacharjee, R., Scheffler, B. E. and Asiedu, R., in: PLoS ONE, volume 10, number 7(e0134031), pages 1-14, ISSN 1932-6203, 2015. [DOI] |
|
| Comparison of physicochemical properties of soils under contrasting land use systems in southwestern Nigeria, Watanabe, Y., Kikuno, H., Asiedu, R., Masunaga, T. and Wakatsuki, T., in: Japan Agricultural Research Quarterly, volume 49, number 4, pages 319-331, ISSN 0021-3551, 2015. |
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| Population changes of plant-parasitic nematodes associated with cover crops following a yam (Dioscorea rotundata) crop, Claudius-Cole, A. O.*, Fawole, B.* and Asiedu, R., in: Tropical Plant Pathology, pages 1-7, ISSN 1983-2052 (E-ISSN), 2015. [DOI] |
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| Improved propagation methods to raise the productivity of yam (Dioscorea rotundata Poir.), Aighewi, B., Asiedu, R., Maroya, N. and Balogun, M., in: Food Security, volume 7, number 4, pages 823-834, ISSN 1876-4517, 2015. [DOI] |
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| Characterization of yam-growing households in the project areas of Nigeria, Mignouna, D., Abdoulaye, T., Alene, A., Asiedu, R. and Manyong, V., International Institute of Tropical Agriculture (IITA), ISBN 978-978-8444-46-6, 2014. |
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| Characterization of yam-growing households in the project areas of Ghana, Mignouna, D., Abdoulaye, T., Alene, A., Asiedu, R. and Manyong, V., International Institute of Tropical Agriculture (IITA), ISBN 978-978-8444-45-9, 2014. |
|
| Physicochemical and bioactive properties of selected white yam (Dioscorea rotundata) varieties adapted to riverine areas of Nigeria, Alamu, E. O., Maziya-Dixon, B., Okonkwo, C. C.* and Asiedu, R., in: African Journal of Food Science, volume 8, number 7, pages 402-409, ISSN 1996-0794, 2014. [DOI] |
|
| Evaluation of white yam (Dioscorea rotundata) genotypes for Arbuscular mycorrhizal colonization, leaf nutrient concentrations and tuber yield under NPK fertilizer application, Dare, M. O.*, Fagbola, O.*, Abaidoo, R. and Asiedu, R., in: Journal of Plant Nutrition, volume 37, number 5, pages 658-673, ISSN 0190-4167, 2014. [DOI] |
|
| Seed yam production in an aeroponics system: a novel technology; YIIFSWA working paper series No. 2, Maroya, N., Balogun, M. and Asiedu, R., YIIFSWA working paper series, 2014. |
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| Seed yam production from minisetts: a training manual, Aighewi, B., Maroya, N. and Asiedu, R., 2014. |
|
| Status and prospects for improving yam seed systems using temporary immersion bioreactors, Balogun, M.*, Maroya, N. and Asiedu, R., in: African Journal of Biotechnology, volume 13, number 15, pages 1614-1622, ISSN 1684-5315, 2014. [DOI] |
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| Yam propagation using 'Aeroponics' technology, Maroya, N., Balogun, M., Asiedu, R., Aighewi, B., Kumar, P. L. and Augusto, J., in: Annual Research and Review in Biology, volume 4, number 24, pages 3894-3903, ISSN 2231-4776, 2014. |
|
| Management of Meloidogyne incognita in yam-based cropping systems with cover crops, Claudius-Cole, A. O.*, Fawole, B.*, Asiedu, R. and Coyne, D., in: Crop Protection, volume 63, pages 97-102, ISSN 0261-2194, 2014. [DOI] |
|
| Next-generation sequencing based genotyping, cytometry and phenotyping for understanding diversity and evolution of guinea yams, Girma Tessema, G., Hyma, K. E., Asiedu, R., Mitchell, S. E., Gedil, M. and Spillane, C., in: Theoretical and Applied Genetics, volume 127, pages 1783-1794, ISSN 0040-5752, 2014. [DOI] |
|
| Novelty, rapidity and quality in seed yam production: the case of Temporary Immersion Bioreactors; YIIFSWA working paper series, No. 6, Balogun, M., Maroya, N., Asiedu, R. and Taiwo, J., YIIFSWA working paper series, 2014. |
|
| Project description: Yam Improvement for Income and Food Security in West Africa; YIIFSWA working paper series No. 1, Maroya, N., Asiedu, R., Kumar, P. L., Lopez-Montes, A., Orchard, J. and Ndiame, F.*, YIIFSWA working paper series, 2014. |
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| Yam improvement for income and food security in west Africa: effectiveness of a multi-disciplinary and multi-institutional team-work, Maroya, N., Asiedu, R., Kumar, P. L., Mignouna, D., Lopez-Montes, A., Kleih, U. K., Phillips, D., Ndiame, F.*, Ikeorgu, J.* and Otoo, E.*, in: Journal of Root Crops, volume 40, number 1, pages 85-92, ISSN 0378-2409, 2014. |
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| EDITS-Yam: a collaborative research project on the "use of genomic information and molecular tools for yam germplasm utilization and improvement for West Africa", Takagi, H., Terauchi, R., Lopez-Montes, A., Yamanaka, S., Ishizaki, T., Tamiru, M., Natsume, S., Takagi, Hiroki, Babil, P. K., Matsumoto, R., Yamamoto, K., Girma Tessema, G., Gueye, B., Bhattacharjee, R., Muranaka, S., Abberton, M. and Asiedu, R., Abstract, P. 116 in the program and book of abstracts of the First Global Conference on Yam 'to harness research innovations to unleash the potential of yam', 3-6 October, 2013 Accra, Ghana, 2013. |
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| Whole-genome sequencing-based analysis of diversity in Guinea yam (Dioscorea rotundata) breeding materials: a preliminary result, Tamiru, M., Natsume, S., Takagi, Hiroki, Babil, P. K., Yamanaka, S., Lopez-Montes, A., Gedil, M., Bhattacharjee, R., Girma Tessema, G., Takagi, H., Asiedu, R. and Terauchi, R., Abstract in First Global Conference on Yam 'to harness research innovations to unleash the potential of yam', 3-6 October, 2013 Accra, Ghana, 2013. |
|
| Improving cocoa production practices to ensure sustainable supply that meets demand growth: IITA Perspectives, Bhattacharjee, R., Dashiell, K., Van Asten, P., Muilerman, S., Asare, R., Gockowski, J., Tamo, M., Kumar, P. L., Lopez, K. and Asiedu, R., Abstract, in the book of abstracts 23rd Partnership meeting of World Cocoa Foundation, Washington DC, USA , 5 May to 7 May, 2013. |
|
| Taro leaf blight disease: solutions for West and Central Africa, Walter, N. L.*, Fornkwa, V., Gueye, B., Hanna, R., Onyeka, J.*, Abberton, M. and Asiedu, R., Abstract, p. 296 in the book of abstracts and programme of the 12th Triennial Symposium of International Society for Tropical Root Crops-Africa Branch (ISTRC-AB), 30 - 5, October, Alisa Hotel, Accra, Ghana, 2013. |
|
| Economic analysis of yam seed tuber systems in Nigeria, Mignouna, D., Abdoulaye, T., Alene, A., Aighewi, B., Pelemo, O., Akoroda, M. and Asiedu, R., Abstract in P. 91 in Abstract of papers of the International Confernece on Tropical Roots and Tubers for Sustainable Livelihood under changing agro-climate (ICTRT) 9-12 July, Hotel Mascot, Thiruvananthapuram, Kerala, 2013. |
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| Economic analysis of seed yam production systems in Nigeria, Mignouna, D., Abdoulaye, T., Alene, A., Aighewi, B., Pelemo, O., Manyong, V., Asiedu, R. and Akoroda, M. O.*, in: Journal of Root Crops, volume 39, number 2, pages 221-229, ISSN 0378-2409, 2013. |
|
| Domestication and evolutionary dynamics of cultivated yam (Dioscorea cayenensis /D. rotundata complex) in Benin, Dansi, A.*, Adjatin, A.*, Bhattacharjee, R., Asiedu, R., Vodouhe, R., Akouegninou, A.* and Sanni, A.*, Abstract in First Global Conference on Yam 'to harness research innovations to unleash the potential of yam', 3-6 October, 2013 Accra, Ghana, 2013. |
|
| Prediction of the suitability of water yam (Dioscorea alata) for amala product using pasting and sensory characteristics, Wireko-Manu, F. D.*, Ellis, W.*, Oduro, I.*, Asiedu, R. and Maziya-Dixon, B., in: Journal of Food Processing and Preservation, pages 1-7, ISSN 0145-8892, 2013. [DOI] |
|
| Modernizing yam breeding for rapid development and deployment of varieties with farmer and consumer preferred traits for value addition and improved food and income security, Lopez-Montes, A., Bhattacharjee, R., Abberton, M. and Asiedu, R., Abstract in First Global Conference on Yam 'to harness research innovations to unleash the potential of yam', 3-6 October, 2013 Accra, Ghana, 2013. |
|
| Application of advanced genomic technologies to accelerate yam breeding (ABSTRACT), Bhattacharjee, R., Lopez-Montes, A., Abberton, M. and Asiedu, R., Abstract in First Global Conference on Yam 'to harness research innovations to unleash the potential of yam', 3-6 October, 2013 Accra, Ghana, 2013. |
|
| Comparative cost and profit analysis of yam production in Nigeria and Ghana, Mignouna, D., Abdoulaye, T., Alene, A., Asiedu, R., Manyong, V. and Leke, W., Abstract, P. 45 in the program and book of abstracts of the First Global Conference on Yam 'to harness research innovations to unleash the potential of yam', 3-6 October, Accra, Ghana, 2013. |
|
| Diversity of arbuscular mycorrhizal fungi in soils of yam (Dioscorea spp.) cropping systems in four agroecologies of Nigeria, Dare, M. O.*, Abaidoo, R., Fagbola, O.* and Asiedu, R., in: Archives of Agronomy and Soil Science, volume 59, number 4, pages 521-531, ISSN 0365-0340, 2013. [DOI] |
|
| Determinants of household food expenditure and implications for food security in rural yam farming communities in Nigeria and Ghana, Mignouna, D., Abdoulaye, T., Alene, A. and Asiedu, R., Abstract P. 93. in the book of programme and abstract of the 11th African Crop Science Society Conference, 14 - 17 October, Entebbe, Uganda, 2013. |
|
| Expanding the application of cassava value chain technologies through UPoCA project, James, B., Bramel, P., Witte, E. R., Asiedu, R., Watson, D. and Okechukwu, R., in: Research in Sierra Leone Studies (RISLS): Weave, volume 1, number 1, pages 1-16, ISSN 2167-9835, 2013. |
|
| Potential health benefits of water yam (Dioscorea alata), Dufie, W.*, Oduro, I.*, Ellis, W.*, Asiedu, R. and Maziya-Dixon, B., in: Food and Function, volume 4, pages 1496-1501, ISSN 2042-6496, 2013. [DOI] |
|
| Yield and micronutrient uptake of white yam (Dioscorearotundata L. Poir) as influence by organomineral fertilizer ammendment on an alfisol in Ibadan South western Nigeria, Lawal, O. I.*, Adeoye, G.*, Asiedu, R., Ojeniyi, S. O.*, Atayese, M. O.* and Olaiya, A.O.*, Abstract, P. 164 in the book of abstracts and programme of the 12th Triennial Symposium of International Society for Tropical Root Crops-Africa Branch (ISTRC-AB), 30 - 5, October, Alisa Hotel, Accra, Ghana, 2013. |
|
| In vitro inhibition of fusarium by Lactic Acid Bacteria (LAB): implication of yam disease control for economic growth in Nigeria, Omodamiro, R. M.*, Ojimelukwe, P. C.*, Asiedu, R. and Omodamiro, O. D.*, Abstract, P. 275 in the book of abstracts and programme of the 12th Triennial Symposium of International Society for Tropical Root Crops-Africa Branch (ISTRC-AB), 30 - 5, October, Alisa Hotel, Accra, Ghana, 2013. |
|
| Characterization of cucumber mosaic virus isolated from yam (Dioscorea spp.) in West Africa, Eni, A*, Kumar, P. L., Asiedu, R., Alabi, O., Naidu, R., Hughes, J.+ and Rey, M.E.C., in: African Journal of Biotechnology, volume 12, number 22, pages 3472-3480, ISSN 1684-5315, 2013. [DOI] |
|
| Incidence and diversity of mixed viruses lower in yam tubers and tuber sprouts compared with field leaf samples: Implications for virus-free planting material control strategy, Eni, A*, Hughes, J.+, Asiedu, R. and Rey, M.*, in: African Journal of Agricultural Research, volume 8, number 23, pages 3060-3067, ISSN 1991-637X, 2013. [DOI] |
|
| Effectiveness of a multi-disciplinary and multi-institutional team work for yam value chain research for development in West Africa, Maroya, N., Asiedu, R., Kumar, P. L., Mignouna, D., Lopez-Montes, A., Kleih, U. K., Phillips, D., Ndiame, F.*, Ikeorgu, J.* and Otoo, E.*, Abstract in P. 261 in Abstract of papers of the International Confernece on Tropical Roots and Tubers for Sustainable Livelihood under changing agro-climate (ICTRT) 9-12 July 2013, Hotel Mascot, Thiruvananthapuram, Kerala, 2013. |
|
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| Progress in yam genome sequencing and its potential applications, Tamiru, M., Natsume, S., Mitsuoka, C., Takagi, H., Babil, P. K., Gedil, M., Lopez-Montes, A., Asiedu, R. and Terauchi, R., Abstract, P. 38 in the Book of Abstracts, 16th Triennial Symposium of the International Society for Tropical Root Crops (ISTRC), 23 - 28th September, 2012. |
|
| Ploidy level, morphological traits and secondary metabolite profile of Dioscorea dumetorum (Kunth) Pax., to determine breeding strategy, Adaramola, T. F.*, Lopez-Montes, A., Sonibare, M. A.*, Sartie, A. M., Franco, J., Albach, D. C. and Asiedu, R., Abstract, P.167 in the Book of Abstracts, 16th Triennial Symposium of the International Society for Tropical Root Crops (ISTRC), 23 - 28, September, 2012. |
|
| Morphological variability within a ploidy level in Dioscorea alata L. germplasm, Adeigbe, O. O.*, Sartie, A. M., Ilori, C. O.*, Lopez-Montes, A. and Asiedu, R., Abstract, P.48 in the Book of Abstracts, 16th Triennial Symposium of the International Society for Tropical Root Crops (ISTRC), 23 - 28, September, 2012. |
|
| Agronomic responses of Dioscorea rotundata under low moisture stress, Odoh, N.*, Lopez-Montes, A., Fagbola, O.*, Abaidoo, R. and Asiedu, R., Abstract, P.161 in the Book of Abstracts, 16th Triennial Symposium of the International Society for Tropical Root Crops (ISTRC), 23 - 28, September, 2012. |
|
| Baseline survey protocols: the case of YIIFSWA project in Ghana and Nigeria, Mignouna, D., Alene, A. and Asiedu, R., Abstract, P.91 in the Book of Abstracts, 16th Triennial Symposium of the International Society for Tropical Root Crops (ISTRC), 23 - 28, September, 2012. |
|
| Effect of extrusion variables on extrudates properties of water yam flour- a response surface analysis, Oke, M. O.*, Awonorin, S.*, Sanni, L. O.*, Asiedu, R. and Aiyedun, P. O.*, in: Journal of Food Processing and Preservation, pages 1-18, ISSN 0145-8892, 2012. [DOI] |
|
| Unleashing the power of cassava in Africa...are we there yet?, James, B., Bramel, P., Witte, E. R., Asiedu, R., Watson, D. and Okechukwu, R., in: Tropical Roots and Tuber Crops and the Challenges of Globalization and Climate Changes. Proceedings of the 11th triennial Symposium of the ISTRC-AB, 4 to 8 October 2010, pages 300-311, ISTRC-AB, Ibadan, Nigeria, 2012. |
|
| Effect of extrusion variables on extrudates properties of water yam flours - a response surface analysis, Oke, M. O.*, Awonorin, S.*, Sanni, L. O.*, Asiedu, R. and Aiyedun, P. O.*, in: Tropical Roots and Tuber Crops and the Challenges of Globalization and Climate Changes. Proceedings of the 11th triennial Symposium of the ISTRC-AB, 4 to 8 October 2010, pages 453-470, ISTRC-AB, Ibadan, Nigeria, 2012. |
|
| Re-evaluation of Yam Mosaic Virus (YMV) detection methods, Eni, A*, Hughes, J., Asiedu, R. and Rey, M.*, in: Academic Journal of Plant Sciences, volume 5, number 1, pages 18-22, ISSN 1995-8986, 2012. [DOI] |
|
| Phenotypic analysis of tuber yield- and maturity-related traits in white yam (Dioscorea rotundata), Sartie, A. M., Franco, J. and Asiedu, R., in: African Journal of Biotechnology, volume 11, number 17, pages 3964-3975, ISSN 1684-5315, 2012. [DOI] |
|
| Scale insects on yams in Benin: diversity, incidence and farmers' knowledge and perceptions, Goergen, G ., Dossou, R.*, Asiedu, R. and Hanna, R., in: Tropical Roots and Tuber Crops and the Challenges of Globalization and Climate Changes. Proceedings of the 11th triennial Symposium of the ISTRC-AB, 4 to 8 October 2010, pages 411-413, ISTRC-AB, Ibadan, Nigeria, 2012. |
|
| Development of microsatellite markers for anthracnose resistance in greater yam (Dioscorea alata L.) from expressed sequence tags of heterologous crop species, Narina, S. S., Montegue, P., Asiedu, R. and Mohamed, A. I., in: Journal of Root Crops, volume 38, number 1, pages 64-69, ISSN 0378-2409, 2012. |
|
| Genetic and phenotypic diversity in a germplasm working collection of cultivated tropical yams (Dioscorea spp.), Sartie, A. M., Asiedu, R. and Franco, J., in: Genetic Resources and Crop Evolution, pages 1-15, ISSN 0925-9864, 2012. [DOI] |
|
| Genetic diversity of Colletotrichum gloeosporioides in Nigeria using amplified fragment length polymorphism (AFLP) markers, Aduramigba-Modupe, A. O.*, Asiedu, R., Odebode, C. A.* and Owolade, F., in: African Journal of Biotechnology, volume 11, number 33, pages 8189-8195, ISSN 1684-5315, 2012. |
|
| Increasing productivity and utilization of food yams in Africa through improved soil fertility, Lopez-Montes, A., Asiedu, R., Jemo, M., Hauser, S., Bhattacharjee, R. and Matsumoto, R., Abstract, P.98 in the Book of Abstracts, 16th Triennial Symposium of the International Society for Tropical Root Crops (ISTRC), 23 - 28, September, 2012. |
|
| Development of mapping populations for genetic analysis in yams (D. rotundata and D. alata), Sartie, A. M. and Asiedu, R., in: Tropical Roots and Tuber Crops and the Challenges of Globalization and Climate Changes. Proceedings of the 11th triennial Symposium of the ISTRC-AB, 4 to 8 October 2010, pages 101-111, ISTRC-AB, Ibadan, Nigeria, 2012. |
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| Dioscorea, Bhattacharjee, R., Gedil, M., Sartie, A. M., Otoo, E.*, Dumet, D., Kikuno, H ., Kumar, P. L. and Asiedu, R., pages 71-96, chapter 4, Springer-Verlag, ISBN 978-3-642-21101-0, 2011. [DOI] |
|
| Generation and analysis of expressed sequence tags (ESTs) for marker development in yam (Dioscorea alata L.), Narina, S. S., Buyyarapu, R., Kottapalli, K. R., Sartie, A. M., Ali, M. I., Asiedu, R., Hodeba, M.*, Sayre, B. L. and Scheffler, B. E., in: BMC Genomics, volume 12, number 100, pages 1-10, ISSN 1471-2164, 2011. [DOI] |
|
| Assessment of soil physicochemical properties under different land-use systems in IITA's lowland sites., Watanabe, H., Abe, S., Kikuno, H ., Obalum, S. E., Asiedu, R. and Wakatsuki, T., Abstract, P. 108 in the Book of abstracts of the annual meetings of Japanese society of soil science and plant nutrition, Vol 57. Tsukuba, Japan, 108. August, 2011. |
|
| In vitro androgenesis in Dioscorea rotundata Poir., Azuh, V., Adesoye, A. I.*, Gueye, B., Sartie, A. M. and Asiedu, R., in: Journal of Science Research, volume 10, number 3, pages 371-378, ISSN 1117-9333, 2011. |
|
| Expanding the application of cassava value chain technologies through UPoCA project, James, B., Bramel, P., Witte, E. R., Asiedu, R., Watson, D. and Okechukwu, R., in: African Journal of Root and Tuber Crops, volume 9, number 1, pages 38-49, ISSN 1118-2075, 2011. |
|
| Physicochemical properties of yam starch: effect on textural quality of yam food product (pounded yam), Otegbayo, B.*, Bokanga, M.* and Asiedu, R., in: Journal of Food, Agriculture and Environment, volume 9, number 1, pages 145-150, ISSN 1459-0255, 2011. |
|
| Analysis of tuber yield- and maturity- related traits in water yam (Dioscorea alata L.), Sartie, A. M., Franco, J. and Asiedu, R., in: Journal of Agricultural Science and Technology B, volume 1, pages 311-322, ISSN 1939-1250, 2011. |
|
| Development of mapping populations for genetic analysis in yams (Dioscorea rotundata Poir. and Dioscorea alata L.), Sartie, A. M. and Asiedu, R., in: African Journal of Biotechnology, volume 10, number 16, pages 3040-3050, ISSN 1684-5315, 2011. |
|
| Studies on population build-up of Scutellonema bradys in Dioscorea species, Oluwatayo, J.*, Asiedu, R. and Adesiyan, S. O.*, in: African Journal of Root and Tuber Crops, volume 9, number 1, pages 24-29, ISSN 1118-2075, 2011. |
|
| Allelopathic potential of plant extracts against Scutellonema bradys, Oluwatayo, J.*, Asiedu, R. and Adesiyan, S. O.*, in: African Journal of Root and Tuber Crops, volume 9, number 1, pages 30-37, ISSN 1118-2075, 2011. |
|
| Effects of storage on the chemical composition and food quality of yam, Otegbayo, B.*, Asiedu, R. and Bokanga, M.*, in: Journal of Food Processing and Preservation, pages 1-8, ISSN 0145-8892, 2011. [DOI] |
|
|
| Optimum time for collection of root samples for chromosome observation in yams (Dioscorea spp.), Babil, P. K., Kikuno, H ., Shiwachi, H ., Toyohara, H., Fujigaki, J., Fujimaki, H. and Asiedu, R., in: Tropical Agriculture and Development, volume 54, number 3, pages 71-75, 2010. |
|
| Enhancing seed yam supply systems in West Africa, Akoroda, M. O.*, Claudius-Cole, B.*, Kikuno, H ., Okonkwo, C., Aighewi, B. A.*, Acha, I. and Asiedu, R., in: Root and tuber crops for poverty alleviation through science and technology for sustainable development: proceedings of the 10th symposium of ISTRC-AB held from 8-12 October, 2007 in Maputo, Mozambique, pages 123-136, ISTRC-AB, 2010. |
|
| Evaluation of yam genotypes for field reaction to biotic constraints and nutritional characteristics in two agro-ecologies of Cameroon, Nukenine, E.*, Fombang, E. N.*, Chouka, F. P.*, Njukwe, E., Tenkouano, A. and Asiedu, R., Abstract (Oral presentation) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010. |
|
| Yams, Arnau, G., Abraham, K.*, Sheela, M.N.*, Chair, H., Sartie, A. M. and Asiedu, R., Root and Tuber Crops, volume 7, pages 127-148, chapter 4, Springer, ISBN 978-0-387-92764-0, 2010. [DOI] |
|
| Introduction and evaluation of improved varieties of Dioscorea rotundata, and D. cayenensis with high micronutrient content in Cameroon, Njukwe, E., Amah, D., Ndango, R., Tenkouano, A. and Asiedu, R., in: Root and tuber crops for poverty alleviation through science and technology for sustainable development: proceedings of the 10th symposium of ISTRC-AB held from 8-12 October, 2007 in Maputo, Mozambique, pages 338-342, ISTRC-AB, 2010. |
|
| Occurrence, incidence and distribution of viruses infecting yam (Dioscorea spp.) in Nigeria, Asala, S.*, Alegbejo, M.*, Kashina, B. D.*, Banwo, O. O.*, Asiedu, R. and Kumar, P. L., Abstract, 2010. |
|
| The influence of land-use change on soil chemical properties in south western Nigeria, Watanabe, Y., Abe, S., Kikuno, H ., Obalum, S. E., Asiedu, R., Wilson, I. and Wakatsuki, T., Abstract, 2010. |
|
| Unleashing the power of cassava in Africa...are we there yet?, James, B., Bramel, P., Witte, E. R., Asiedu, R., Watson, D. and Okechukwu, R., Abstract in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010. |
|
| Setting priorities: case study of IITA's root and tuber crops systems program, Manyong, V., Okechukwu, R., Ojiambo, P.+ and Asiedu, R., in: African Journal of Root and Tuber Crops, volume 8, number 1, pages 6-12, ISSN 1118-2075, 2010. |
|
| In Vitro micro-tuber initiation and dormancy in yam, Hamadina, E. I., Craufurd, P. Q., Battey, N. and Asiedu, R., in: Annals of Applied Biology, volume 157, pages 203-212, ISSN 0003-4746, 2010. |
|
| Screening of new improved water yam (Dioscorea alata) genotypes of the preparation of amala in Nigeria, Ukpabi, U. J.*, Omodamiro, J. G.*, Ikeorgu, J.* and Asiedu, R., in: Root and tuber crops for poverty alleviation through science and technology for sustainable development: proceedings of the 10th symposium of ISTRC-AB held from 8-12 October, 2007 in Maputo, Mozambique, pages 259-265, ISTRC-AB, 2010. |
|
| Current status of yam anthracnose disease in various agroecological zones of Nigeria., Onyeka, T. J.*, Zandjanakou-Tachin, M., Bandyopadhyay, R., Asiedu, R. and Ikeorgu, J.*, Abstract (Poster) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010. |
|
| Effect of Etrusion Variables on Extrudates properties of water yam flours - A Response Surface Analysis, Oke, M. O.*, Awonorin, S.*, Sanni, L. O.*, Asiedu, R. and Aiyedun, P. O.*, Abstract in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010. |
|
| Effects of arbuscular mycorrhizal inoculation and phosphorus application on yield and nutrient uptake of yam, Dare, M. O.*, Abaidoo, R., Fagbola, O.* and Asiedu, R., in: Communications in Soil Science and Plant Analysis, volume 41, pages 2729-2743, ISSN 0010-3624, 2010. |
|
| Effect of extrusion variables on residence time, mass flow rate and expansion ratio of water yam starches using response surface methodology, Oke, M. O.*, Awonorin, S.*, Sanni, L. O.*, Asiedu, R. and Aiyedun, P. O.*, Abstract (Poster) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010. |
|
| Identification and quantification of major carotenoids of deep yellow-fleshed yam (tropical Dioscorea dumetorum), Ferede, R., Maziya-Dixon, B., Alamu, E. O. and Asiedu, R., in: Journal of Food, Agriculture and Environment, volume 8, number 3 & 4, pages 160-166, ISSN 1459-0255, 2010. |
|
| Scale insects on yams in Benin: diversity, infestation levels and farmers' knowledge and perceptions, Goergen, G ., Dossou, R.*, Asiedu, R. and Hanna, R., Abstract (Poster) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010. |
|
| Distribution of yam anthracnose disease in Nigeria, Aduramigba-Modupe, A. O.*, Odebode, C. A.* and Asiedu, R., in: African Journal of Root and Tuber Crops, volume 8, number 1, pages 51-55, ISSN 1118-2075, 2010. |
|
| Evaluation of the performance of five hybrid water yam clones in the yam belt of Nigeria, Ikeorgu, J.* and Asiedu, R., in: Root and tuber crops for poverty alleviation through science and technology for sustainable development: proceedings of the 10th symposium of ISTRC-AB held from 8-12 October, 2007 in Maputo, Mozambique, pages 265-269, ISTRC-AB, 2010. |
|
| Yam screening for suitability in food product development, Onadipe, O. O., Maziya-Dixon, B. and Asiedu, R., in: Root and tuber crops for poverty alleviation through science and technology for sustainable development: proceedings of the 10th symposium of ISTRC-AB held from 8-12 October, 2007 in Maputo, Mozambique, pages 359-360, ISTRC-AB, 2010. |
|
| Identifying mega-environment and targeting water yam genotypes for production in west Africa, Okonkwo, C., Okechukwu, R. and Asiedu, R., in: Root and tuber crops for poverty alleviation through science and technology for sustainable development: proceedings of the 10th symposium of ISTRC-AB held from 8-12 October, 2007 in Maputo, Mozambique, pages 360, ISTRC-AB, 2010. |
|
| Predicted changes in suitability and agro climatic factors due to climate change for yam production in Nigeria, Sonder, K., Okonkwo, C. and Asiedu, R., in: African Journal of Root and Tuber Crops, volume 8, number 2, pages 51-59, ISSN 1118-2075, 2010. |
|
| Survey of the incidence and distribution of viruses infecting yam (Dioscorea spp.) in Ghana and Togo, Eni, A*, Hughes, J.+, Asiedu, R. and Rey, M.*, in: Annals of Applied Biology, volume 156, number 2, pages 243-251, ISSN 0003-4746, 2010. |
|
| Expanded utilisation of water yam: an approach to poverty alleviation, Onadipe, O. O., Maziya-Dixon, B. and Asiedu, R., in: Root and tuber crops for poverty alleviation through science and technology for sustainable development: proceedings of the 10th symposium of ISTRC-AB held from 8-12 October, 2007 in Maputo, Mozambique, pages 462-463, ISTRC-AB, 2010. |
|
| Organoleptic quality assessment of major traditional yam products from greater yam (Dioscorea alata), Baah, F., Maziya-Dixon, B., Asiedu, R., Oduro, I.* and Ellis, W.*, in: Root and tuber crops for poverty alleviation through science and technology for sustainable development: proceedings of the 10th symposium of ISTRC-AB held from 8-12 October, 2007 in Maputo, Mozambique, pages 463, ISTRC-AB, 2010. |
|
| Viruses in weeds in Dioscorea yam fields in Nigeria, Asala, S.*, Shinggu, C. P.*, Asiedu, R. and Kumar, P. L., Abstract, 2010. |
|
| Improving soil information in Nigeria: kriging soil acidity in south eastern Nigeria, Chukwu, G. O.*, Ezenwa, M. I.*, Asiedu, R. and Osunde, A. O.*, in: The Nigerian Agricultural Journal, volume 41, number 2, pages 137-143, ISSN 0300-368X, 2010. |
|
| Colchicine-induced variations in survival rate and morphological characteristics of water yam (Dioscorea alata), Ajayi, A. T.*, Adesoye, A. I.*, Asiedu, R. and Sartie, A. M., in: Field and Vegetable Crops Research, volume 47, number 2, pages 485-498, ISSN 1821-3944, 2010. |
|
| Participatory strategies of conserving yam biodiversity in Benin, Dansi, A., Lusty, C., Asiedu, R., Hall, R. and Vodouhe, R., in: R4D Review, volume 4, pages 34-36, ISSN 2071-3681, 2010. |
|
| Screening of raw yam tubers from existing breeding lines with potential high-content for iron and zinc, Maziya-Dixon, B., Asiedu, R. and Okechukwu, R., Abstract (Poster) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010. |
|
| Total carotenoids, zinc, and iron content in yellow fleshed yam (Dioscroea Cayenensis) tubers, Maziya-Dixon, B., Asiedu, R. and Okechukwu, R., Abstract (Poster) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010. |
|
| Effects of ten plant extracts on mycelial growth and conidial production of four fungi associated with yam tuber rot, Sangoyomi, T.*, Asiedu, R. and Ekpo, E.*, in: African Journal of Root and Tuber Crops, volume 8, number 1, pages 24-30, ISSN 1118-2075, 2010. |
|
| Clean planting materials and management practices for sustained production of yams (Dioscroea spp): the futrue of yam cultivation in West Africa, Okonkwo, C., Asiedu, R. and Akoroda, M. O.*, in: Root and tuber crops for poverty alleviation through science and technology for sustainable development: proceedings of the 10th symposium of ISTRC-AB held from 8-12 October, 2007 in Maputo, Mozambique, pages 215-216, ISTRC-AB, 2010. |
|
| Genetic diversity of Dioscorea dumetorum (Kunth) Pax using Amplified Fragment Lenth Polymorphisms (AFLP) and cpDNA, Sonibare, M. A.*, Asiedu, R. and Albach, D. C., in: Biochemical Systematics and Ecology, volume 38, pages 320-334, 2010. |
|
| Review of soil fertility management for yam-based systems in West Africa, Carsky, R., Asiedu, R. and Cornet, D., in: African Journal of Root and Tuber Crops, volume 8, number 2, pages 1-17, ISSN 1118-2075, 2010. |
|
| Screening plant materials for resistance to the yam nematode (Scutellonema bradys), Oluwatayo, J.*, Asiedu, R. and Adesiyan, S. O.*, in: African Journal of Root and Tuber Crops, volume 8, number 2, pages 34-40, ISSN 1118-2075, 2010. |
|
| Influence of tuber harvest time and storage period on polyphenoloxidase activity and rate of browning of white yam (Dioscorea rotundata), Akinwande, B.*, Asiedu, R., Maziya-Dixon, B. and Adeyemi, I.*, in: African Journal of Root and Tuber Crops, volume 8, number 2, pages 41-45, ISSN 1118-2075, 2010. |
|
| Control of scutelleonema bradys by intercropping, Oluwatayo, J.*, Asiedu, R. and Adesiyan, S., in: Restrategizing Nigerian agriculture in a rapidly changing climatic conditions for sustainable food security: proceedings ..., pages 1099-1102, Agricultural Society of Nigeria (ASN), 2010. |
|
| Development of mapping populations for genetic analysis in yams (Dioscorea rotundata and D. alata), Sartie, A. M. and Asiedu, R., Abstract (Oral presentation) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010. |
|
| Genetic characterization of some water yam (Dioscorea alata L.) in West Africa with simple sequence repeats, Obidiegwu, J., Asiedu, R., Ene-obong, E. E.*, Muoneke, C. O.* and Kolesnikova-Allen, M.+, Abstract (Oral presentation) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010. |
|
| Crops that feed the world 1. Yams: yams for income and food security, Asiedu, R. and Sartie, A. M., in: Food Security, volume 2, number 4, pages 305-315, ISSN 1876-4517, 2010. [DOI] |
|
|
| Ploidy levels of Dioscorea alata L. germplasm determined by flow cytometry, Obidiegwu, J., Rodriguez, E.*, Ene-Obong, E.*, Loureiro, J.*, Muoneke, C. O.*, Santos, C.*, Kolesnikova-Allen, M.+ and Asiedu, R., in: Proceedings of the 43rd Annual Conference of the Agricultural Society of Nigeria, pages 72-77, Agricultural Society of Nigeria, 2009. |
|
| Estimation of the nuclear DNA content in some representative of genus Dioscorea, Obidiegwu, J., Rodriguez, E.*, Ene-Obong, E.*, Loureiro, J.*, Muoneke, C. O.*, Santos, C.*, Kolesnikova-Allen, M.+ and Asiedu, R., in: Scientific Research and Essay, volume 4, number 5, pages 448-452, ISSN 1992-2248, 2009. |
|
| Ploidy level studies on the Dioscorea cayenensis/Dioscorea rotundata complex core set, Obidiegwu, J., Loureiro, J.*, Ene-Obong, E.*, Rodriguez, E.*, Kolesnikova-Allen, M.+, Santos, C.*, Muoneke, C. O.* and Asiedu, R., in: Euphytica, volume 169, number 3, pages 319-326, ISSN 0014-2336, 2009. |
|
| Ploidy levels of Dioscorea alata L. germplasm determined by flow cytometry, Obidiegwu, J., Rodriguez, E.*, Ene-Obong, E.*, Loureiro, J.*, Muoneke, C. O.*, Santos, C.*, Kolesnikova-Allen, M.+ and Asiedu, R., in: Genetic Resource and Crop Evolution, 2009. [DOI] |
|
| Farmer participatory evaluation of four hybrid water yam clones in the yam belt of Nigeria, Ikeorgu, J.*, Oselebe, H. O.*, Oluwatayo, J.*, Ugwuoke, K.*, Ukpabi, U. J.* and Asiedu, R., in: Securing livelihoods through yams: proceedings of a technical workshop on progress in yam research for development in west and central Africa held in Accra, Ghana, 11-13 September, 2007, pages 225-229, International Institute of Tropical Agriculture (IITA), 2009. |
|
| SSR markers reveal diversity in Guinea yam (Dioscorea cayenensis/D. rotundata) core set, Obidiegwu, J., Kolesnikova-Allen, M.+, Ene-obong, E. E.*, Muoneke, C. O.* and Asiedu, R., in: African Journal of Biotechnology, volume 8, number 12, pages 2730-2739, ISSN 1684-5315, 2009. |
|
| Genotyping of yam core collection, Kolesnikova-Allen, M.+, Obidiegwu, J., Chair, H. and Asiedu, R., in: New approaches to plant breeding of orphan crops in Africa: proceedings of an International Conference, 19-21 September 2007, Bern, Switzerland, pages 277, 2009. |
|
| Molecular characterization of Colletotrichium gloeosporioides responsible for anthracnose of yam and cassava in Nigeria, and development of diagnostic PCR assay, Sharma, K., Ayodele, M., Bandyopadhyay, R., Asiedu, R. and Kumar, P. L., International Society for Tropical Root Crops (ISTRC), 2009. |
|
| Delineation of pona complex of yam in Ghana using SSR markers, Otoo, E.*, Akromah, R.*, Kolesnikova-Allen, M.+ and Asiedu, R., in: International Journal of Genetics and Molecular Biology, volume 1, number 1, pages 006-016, ISSN 2006-9863, 2009. |
|
| Producing yam (Dioscorea) seeds through controlled crosses, Mignouna, H. D.*, Abang, M. M., Asiedu, R. and Geeta, R., in: Cold Spring Harbor Protocols, volume 4, number 11, 2009. [DOI] |
|
| Extraction of DNA from yam (Dioscorea) leaves, Mignouna, H. D.*, Abang, M. M., Asiedu, R. and Geeta, R., in: Cold Spring Harbor Protocols, volume 4, number 11, ISSN 1559-6095, 2009. [DOI] |
|
| Nutritional and biochemical composition of D. alata (Dioscorea spp.) tubers, Baah, F. D.*, Maziya-Dixon, B., Asiedu, R., Oduro, I.* and Ellis, W.*, in: Journal of Food, Agriculture and Environment, volume 7, number 2, pages 373-378, ISSN 1459-0255, 2009. |
|
| Physicochemical and passing characterisation of water yam (Dioscorea spp.) and relationship with eating quality of pounded yam, Baah, F. D.*, Maziya-Dixon, B., Asiedu, R., Oduro, I.* and Ellis, W.*, in: Journal of Food, Agriculture and Environment, volume 7, number 2, pages 107-112, ISSN 1459-0255, 2009. |
|
| Effects of crude extracts of Allium sativum Linn, Cymbopogon citratus (CD) Stapf and Terminalia catappa L. on rot-causing fungi of Dioscorea species, Okigbo, R. N.*, Eme, U. E.*, Asiedu, R. and Putheti, R., in: Nigerian Journal of Botany, volume 22, number 2, pages 359-369, ISSN 0795-0128, 2009. |
|
| Variation in pasting and functional properties of flours and starches from water yam (Dioscorea alata), Oke, M. O.*, Awonorin, S.*, Asiedu, R., Maziya-Dixon, B. and Sanni, L., in: Securing livelihoods through yams: proceedings of a technical workshop on progress in yam research for development in west and central Africa held in Accra, Ghana, 11-13 September, 2007, pages 269-278, International Institute of Tropical Agriculture (IITA), 2009. |
|
| Effects of cultivar and agrobotanical storage treatment on organolepetic quality of yam, Eze, S. C.*, Oko-Ibom, G. O.* and Asiedu, R., in: African Journal of Food, Agriculture, Nutrition and Development (AJFAND), volume 9, number 8, ISSN 1684-5374, 2009. |
|
| A standardized RNA isolation protocol for yam (Dioscorea alata L) cDNA library construction, Narina, S. S., Mohammed, I. B., Asiedu, R. and Mignouna, H. D.*, in: Virginia Journal of Science, volume 60, number 4, pages 171-180, ISSN 0042-658X, 2009. |
|
| Flowering intensity in white yam (Dioscorea rotundata), Hamadina, E. I., Craufurd, P. Q. and Asiedu, R., in: Journal of Agricultural Science, volume 147, number 4, pages 469-477, ISSN 0021-8596, 2009. |
|
| Environmental stability of resistance to anthracnose and virus diseases of water yam (Dioscorea alata), Egesi, C. N.*, Onyeka, T. J.* and Asiedu, R., in: African Journal of Agricultural Research, volume 4, number 2, pages 113-118, ISSN 1991-637X, 2009. |
|
| Secondary metabolite profile and phytotoxic activity of genetically distinct forms of Colletotrichum gloeosporioides from yam (Dioscorea spp.), Abang, M., Abraham, W., Asiedu, R., Hoffmann, P., Wolf, G. and Winter, S., in: Mychological Research, volume 113, pages 130-140, ISSN 0953-7562, 2009. |
|
| True yams (Dioscorea): a biological and evolutionary link between eudicots and grasses, Mignouna, H. D.*, Abang, M. M., Asiedu, R. and Geeta, R., in: Cold Spring Harbor Protocols, volume 4, number 11, ISSN 1559-6095, 2009. [DOI] |
|
| Yam (Dioscorea) husbandry: cultivating yams in the field or greenhouse, Mignouna, H. D.*, Abang, M. M., Asiedu, R. and Geeta, R., in: Cold Spring Harbor Protocols, volume 4, number 11, pages 1-3, ISSN 1559-6095, 2009. [DOI] |
|
| Post-flask management of yam (Dioscorea) plantlets, Mignouna, H. D.*, Abang, M. M., Asiedu, R. and Geeta, R., in: Cold Spring Harbor Protocols, volume 4, number 11, ISSN 1559-6095, 2009. [DOI] |
|
| Culturing meristematic tissue and node cuttings from yams (Dioscorea), Mignouna, H. D.*, Abang, M. M., Asiedu, R. and Geeta, R., in: Cold Spring Harbor Protocols, volume 4, number 11, ISSN 1559-6095, 2009. [DOI] |
|
| Genetic characterization of some water yam (Dioscorea alata L.) accessions in West Africa with simple sequence repeats, Obidiegwu, J., Asiedu, R., Ene-Obong, E.*, Muoneke, C. O.* and Kolesnikova-Allen, M.+, in: Journal of Food, Agriculture and Environment, volume 7, number 3&4, pages 634-638, ISSN 1459-0255, 2009. |
|
| Effects of two processing methods on some nutrients and anti-nutritional factors in yellow yam (Dioscorea cayenensis), Akin-Idowu, P., Asiedu, R., Maziya-Dixon, B., Odunola, A.* and Uwaifo, A.*, in: African Journal of Food Science, volume 3, number 1, pages 022-025, ISSN 1996-0816, 2009. |
|
| The performance profile of Dioscorea rotundata cultivar Dorban genotypes in Ghana using GGE biplot analysis, Otoo, E.* and Asiedu, R., in: Journal of Food, Agriculture and Environment, volume 7, number 1, pages 150-155, ISSN 1459-0255, 2009. |
|
| GGE biplot analysis of Dioscorea rotundata cultivar tela genotypes in Ghana, Otoo, E.* and Asiedu, R., in: Journal of Food, Agriculture and Environment, volume 7, number 1, pages 134-139, ISSN 1459-0255, 2009. |
|
| Sensory evaluation: the last hurdle in varietal development of yams (Dioscorea rotundata, poir) in Ghana, Otoo, E.* and Asiedu, R., in: African Journal of Biotechnology, volume 8, number 21, pages 5747-5754, ISSN 1684-5315, 2009. |
|
|
| Cassava improvement in sub-Saharan Africa: contributions of IITA and its partners, Dixon, A., Okechukwu, R., Ssemakula, G., Hanna, R., Thresh, J. M., Hughes, J., Ingelbrecht, I., Fregene, M.*, Legg, J., Mahungu, N., Nweke, F., Ntawuruhunga, P., Fauquet, C., Manyong, V., Neuenschwander, P., Whyte, J., Wydra, K., Asiedu, R., Egesi, C. N.*, Bandyopadhyay, R., Winter, S., Tarawali, G., Bokanga, M., Ezedinma, C., Sanni, L., Ferguson, M., Ogbe, F., Akoroda, M., Maziya-Dixon, B., Ilona, P., Ekanayake, I. J., Ariyo, O., Onyeka, J.*, Otim-Nape, G.*, Dahniya, M. T., Ortiz, R., Hahn, S. K. and Hartmann, P., 2008. |
|
| Sustainable yam production in Ghana - The non-staking option, Otoo, E.*, Anchirinah, V. M.*, Ennin, S.* and Asiedu, R., in: Journal of Food, Agriculture and Environment, volume 6, number 3-4, pages 391-396, ISSN 1459-0255, 2008. |
|
| Off-season yam production in Nigeria, Shiwachi, H ., Kikuno, H ., Fashola, R. and Asiedu, R., in: Proceedings of Japanese Society for Tropical Agriculture: Research for Tropical Agriculture, 18-19 October 2008, pages 97-98, 2008. |
|
| Estimating market demand for fresh yam characteristics using contingent valuation: implications for crop breeding and production choices, Amegbeto, N. K., Manyong, V., Coulibaly, O. and Asiedu, R., in: Agricultural Economics, volume 39, number 3, pages 349-363, 2008. |
|
| Enhancing off-season yam production in Nigeria, Shiwachi, H ., Kikuno, H ., Fashola, R. and Asiedu, R., in: African Journal of Agricultural Research, volume 3, number 6, pages 407-411, ISSN 1991-637X, 2008. |
|
| Sensory evaluation of amala from improved water yam (Dioscorea alata) genotypes in Nigeria, Ukpabi, U. J.*, Omodamiro, R. M.*, Ikeorgu, J.* and Asiedu, R., in: African Journal of Biotechnology, volume 7, number 8, pages 1134-1138, ISSN 1684-5315, 2008. |
|
| Shoot and plantlet regeneration from meristems of Dioscorea rotundata poir and Dioscorea alata L., Adeniyi, O. J., Adetimirin, V.*, Ingelbrecht, I. and Asiedu, R., in: African Journal of Biotechnology, volume 7, number 8, pages 1003-1008, ISSN 1684-5315, 2008. |
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| Genetic variation and genotype x environment interaction in yams (Dioscorea spp.) for root colonization by arbuscular mycorrhiza, Dare *, O., Abaidoo, R., Fagbola, O.* and Asiedu, R., in: Journal of Food, Agriculture and Environment, volume 6, number 2, pages 227-233, ISSN 1459-0255, 2008. |
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| Storage life of eleven cultivars of white yam (Dioscorea rotundata) grown with or without NPK fertilizer and the relationship with residual soil NPK, Asadu, C.*, Egbobe, O. B.* and Asiedu, R., in: Agro-Science, volume 7, number 3, pages 235-241, ISSN 1119-7455, 2008. |
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| Studies on the antioxidant and whitening properties of extracts from tuber of yams (Dioscorea spp.), Park, B., Kikuno, H ., Asiedu, R. and Park, C. H., in: Proceedings of Japanese Society for Tropical Agriculture: Research for Tropical Agriculture, 18-19 October, 2008, pages 47-48, 2008. |
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| Genomics of yams, a common source of food and medicine in the tropics, Mignouna, H., Abang, M. and Asiedu, R., pages 549-570, chapter 23, Springer, 2008. |
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| Variation in nutrient and antinutrient contents of tubers from yellow yam (Dioscorea cayenensis) genotypes grown at two locations, Akin-Idowu, P., Odunola, O.*, Asiedu, R., Maziya-Dixon, B. and Uwaifo, A. O.*, in: Journal of Food, Agriculture and Environment, volume 6, number 3-4, pages 95-100, ISSN 1459-0255, 2008. |
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| First report of cucumber mosaic virus in yams (Dioscorea spp.) in Ghana, Togo and Republic of Benin in West Africa, Eni, A., Kumar, P. L., Asiedu, R., Alabi, O., Naidu, R.*, Hughes, J. and Rey, M.*, in: Plant Disease, volume 92, number 5, pages 833, ISSN 0191-2917, 2008. [DOI] |
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| Reaction of Dioscorea alata (water yam) to anthracnose disease in Nigeria, Aduramigba-Modupe, A.O., Asiedu, R. and Odebode, C. A.*, in: Journal of Food, Agriculture and Environment, volume 6, number 3-4, pages 248-252, 2008. |
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| Determination of an effective maturity index for white yam (Dioscorea rotundata), Akinwande, B.*, Asiedu, R., Maziya-Dixon, B. and Adeyemi, I.*, in: Journal of Food, Agriculture and Environment, volume 6, number 2, pages 192-196, ISSN 1459-0255, 2008. |
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| Revue bibliographique sur la gestion de la fertilite des sols cultives en igname en Cote d'Ivoire, N'Goran, K. E., Zohouri, P. G., Yoro, R. G., Kouakou, A. M., Assa, A. and Asiedu, R., in: Agronomie Africaine, volume 19, number 3, pages 281-288, ISSN 1015 2288, 2007. |
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| Texture profile analysis applied to pounded yam, Otegbayo, B.*, Aina, J., Abbey, L., Sakyi-Dawson, E., Bokanga, M. and Asiedu, R., in: Journal of Texture Studies, volume 38, pages 355-372, 2007. |
|
| Comparative effects of explants sources and age of plant on rooting, shooting and tuber formation of vine cuttings of yams (Dioscorea spp.), Kikuno, H ., Matsumoto, R., Shiwachi, H ., Toyohara, H. and Asiedu, R., in: Japanese Journal of Tropical Agriculture, volume 51, number Extra issue 2, pages 71-72, 2007. |
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| Socio-economic determinants of yam varieties adoption: probit analysis in three major's yam production areas of Cote d'Ivoire, Toure, M., Amagbeto, K., Doumbia, S., Kouakou, A. M., Asiedu, R. and Zohouri, P. G., in: Proceedings of 9th ISTRC-AB symposium, pages 151-158, Mombasa, Kenya, 2007. |
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| The challenges and potential options for controlling virus diseases of legumes and tuber crops in West Africa, Kumar, P. L., Mgbechi-Ezeri, J., Akinbade, S., Eni, A., Asiedu, R., Dixon, A., Fatokun, C. and Bandyopadhyay, R., in: 10th International Plant Virus Epidemiology Symposium, 15 - 19 October 2007, ICRIST, Hyderabad, India, pages 60, 2007. |
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| Evaluation of water yam (Dioscorea alata L.) germplasm for reaction to yam anthracnose and virus diseases and their effect on yield, Egesi, C. N.*, Odu, B., Ogunyemi, S., Asiedu, R. and Hughes, J., in: Journal of Phytopathology, volume 155, number 9, pages 536-543, 2007. |
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| Effect of sucrose treatment on root, shoot and tuber formation of vine cuttings of yams (Dioscorea spp.), Kikuno, H ., Matsumoto, R., Shiwachi, H . and Asiedu, R., in: Japanese Journal of Tropical Agriculture, volume 51, number Extra issue 2, pages 69-70, 2007. |
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| Strategic needs for controlling cassava mosaic disease in West and Central Africa, Kumar, P. L., Dixon, A., Bandyopadhyay, R., Asiedu, R. and Bramel, P., 2007. |
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| Accounting for losses of micronutrients from staple foods during storage and processing, Maziya-Dixon, B., Menkir, A., Dixon, A., Asiedu, R. and Ssemakula, G., 2007. |
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| Yam (Dioscorea rotundata Poir. and Dioscorea alata L.) meristem culture optimization and phenotypic stability of micropropagated plants, Adeniyi, O. J., Adetimirin, V.*, Ingelbrecht, I. and Asiedu, R., in: Proceedings of 9th ISTRC-AB symposium, 1 - 5 November 2004, pages 316-323, Mombasa, Kenya, 2007. |
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| Search for Scutellonema bradys resistance in yams (Dioscorea spp.), Kwoseh, C.*, Plowright, R., Bridge, J. and Asiedu, R., in: Journal of Science and Technology, volume 27, number 3, pages 33-42, 2007. |
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| Determinants of market value for fresh yam (Dioscorea species) tubers in two consumption centers in Togo, Amegbeto, N. K., Manyong, V., Coulibaly, O. and Asiedu, R., in: Annales des Sciences Agronomiques du Benin, volume 9, number 2, pages 29-48, ISSN 1659-5009, 2007. |
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| Yam anthracnose disease: field symptoms and laboratory diagnostics, Ayodele, M., Hughes, J. and Asiedu, R., in: Proccedings of the 9th ISTRC-AB symposium, Mombasa, Kenya, 2007. |
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| Severity of anthracnose and virus diseases of water yam (dioscorea alata L.) in NIgeria I: effects of yam genotype and date of planting, Egesi, C. N.*, Onyeka, T. and Asiedu, R., in: Crop Protection, volume 26, number 8, pages 1259-1265, ISSN 0261-2194, 2007. |
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| Yams, Mignouna, H., Abang, M. and Asiedu, R., volume 3, pages 271-296, chapter 15, Springer-Verlag, 2007. |
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| Evaluation of the production potential of seed potato (Solanum tuberosum L.) tubers stored for different durations in diffuse light conditions, Demo, P., Akoroda, M., Asiedu, R. and El-Bedewy, R., in: Proceedings of 9th ISTRC-AB symposium, pages 215-226, Mombasa, Kenya, 2007. |
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| Is the yam (dioscorea spp.) tuber-head and primary nodal complex (Pnc) and the origin of the vine, feeder root and tuber? A mini review, Ile, E., Craufurd, P. and Asiedu, R., in: Proceedings of 9th ISTRC-AB symposium, pages 235-243, Mombasa, Kenya, 2007. |
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| Duration from vine emergence to flowering suggests a long-day or rate of change of photoperiod response in white yam (Dioscorea rotundata Poir), Ile, E., Craufurd, P., Asiedu, R. and Battey, N., in: Environmental and Experimental Botany, volume 60, pages 86-94, ISSN 0098-8472, 2007. |
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| Incidence and distribution of virus and virus-like diseases on yams (Dioscorea sp.) in the Republic of Benin, Eni, A., Hughes, J., Asiedu, R., Bandyopadhyay, R. and Kumar, P. L., in: 10th International Plant Virus Epidemiology Symposium, 15 - 19 October 2007, ICRIST, Hyderadad, India, pages 123, 2007. |
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| Influence of time of harvest on the yield and sensory attributes of white yam (Dioscorea rotundata) in Southwest Nigeria, Akinwande, B.*, Asiedu, R., Adeyemi, I.* and Maziya-Dixon, B., in: Journal of Food, Agriculture & Environment, volume 5, number 2, pages 179-184, ISSN 1459-0255, 2007. |
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| Adoption of yam minisett technology by women farmers in Abia State, Nigeria, Ironkwe, A., Asiedu, R. and Unamma, R. P. A., in: Journal Of Agriculture and Social Research, volume 7, number 2, pages 95-105, ISSN 1595-7470, 2007. |
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| Yam production in the derived Coastal Savannah zone of Ghana - past, present and future prospects, Otoo, E.*, Asiedu, R., Ennin, S.* and Ekpe, E.*, in: Proceedings of 9th ISTRC-AB symposium, pages 275-284, Mombasa, Kenya, 2007. |
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| Evaluation of water yam (Dioscorea alata I.) genotypes for reaction to yam anthracnose disease, Ogunyemi, S. and Asiedu, R., in: Proceedings of 9th ISTRC-AB symposium, pages 368-374, Mombasa, Kenya, 2007. |
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| Evidence for high evolutionary potential of Colletotrichum gloeosporioides, the causal agent of yam anthracnose disease, Abang, M., Asiedu, R., Hoffmann, P., Wolf, G., Mignouna, H. and Winter, S., in: Proceedings of 9th ISTRC-AB symposium, Mombasa, Kenya, pages 602-613, Mombasa, Kenya, 2007. |
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| Mini tuber production of white yam (D. rotundata) using vine cutting, Kikuno, H ., Muamba, K., Shiwachi, H ., Onjo, M. and Asiedu, R., in: 99th meeting of the Japanese Society Tropical Agriculture, Tsukuba, Japan, pages 41-42, 2006. |
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| Iron toxicity symptoms in yams (Dioscorea spp.) grown in water culture, Shiwachi, H ., Kikuno, H ., Okonkwo, C. and Asiedu, R., in: Tropical Science, volume 46, number 3, pages 160-165, ISSN 0041-3291, 2006. [DOI] |
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| Concentration of selected minerals and antinutritional factors and bioavailability of zinc and calcium in yellow yam (Dioscorea cayenensis) tubers, Maziya-Dixon, B., Akin-Idowu, P., Odunola, O.*, Asiedu, R. and Uwaifo, A. O.*, in: Plant Foods for Human Nutrition, 2006. |
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| The possibility of vine cutting techniques on white yam (D. rotundata) using natural compounds, Kikuno, H ., Ayankanmi, T., Shiwachi, H . and Asiedu, R., in: 99th Meeting of the Japanese Society Tropical Agriculture, Tsukuba, Japan, pages 43-44, 2006. |
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| Phases of dormancy in yam tubers (Dioscorea rotundata Poir.), Ile, E., Craufurd, P., Battey, N. and Asiedu, R., in: Annals of Botany, volume 97, pages 497-504, 2006. |
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| Integration of yam in cover crop-based cropping system: constraints and potential, Cornet, D., Vernier, P., Amadji, F.* and Asiedu, R., in: 14th triennial symposium of the ISTRC at the Roots and Tubers for Sustainable Development: issues and strategies, Thiruvananthapuram, Kerala, India, 2006, CTCRI; ISTRC; ISRC, 2006. |
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| Multi-locational evaluation of newly developed white yam hybrid genotype, Nwachukwu, E. C., Ikeorgu, J.* and Asiedu, R., in: Repositioning agriculture for sustainable millenium development goals in Nigeria: proceedings of the 40th annual conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, Abia State, 16-20 October, pages 20-23, Agricultural Society of Nigeria, 2006. |
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| Involvement of women farmers in seed yam production in Abia state, Nigeria, Ironkwe, A., Unamma, R. P. A. and Asiedu, R., in: Repositioning agriculture for sustainable millennium development goals in Nigeria: proceedings of the 40th annual conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, Abia State, 16-20 October, pages 610-614, Agricultural Society of Nigeria, 2006. |
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| Stability studies of hybrid yam (Dioscorea rotundata Poir.) genotypes in Ghana, Otoo, E.*, Okonkwo, C. and Asiedu, R., in: Journal of Food, Agriculture and Environment, volume 4, number 1, pages 234-238, ISSN 1459-0255, 2006. |
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| Pasting characteristics of fresh yams (Dioscorea spp.) as indicators of textural quality in a major food product: pounded yam, Otegbayo, B.*, Aina, J., Asiedu, R. and Bokanga, M., in: Food Chemistry, volume 99, pages 663-669, 2006. |
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| Breeding vegetatively propagated crops, Ortiz, R., Dochez, C., Asiedu, R. and Moonan, F., pages 251-268, Blackwell Publishing, 2006. |
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| Analysis of newly developed white yam genotypes in a multi-environment trial using genotype main effect and genotype-by-environment (GGE Biplot) model, Nwachukwu, E. C., Ikeorgu, J.* and Asiedu, R., in: Genetics, food sufficiency and economic empowerment in Nigeria; proceedings of the 31st Annual Conference of the Genetics Society of Nigeria, Ibadan, Nigeria, November 6-9, 2006, pages 24-28, 2006. |
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| Suitability of Dioscorea alata genotypes for making traditional food products in West Africa, Baah, F., Maziya-Dixon, B., Asiedu, R., Ellis, W.* and Oduro, I.*, in: Fourteenth triennial symposium of ISTRC, Trivandrum, Kerala, India, 2006, pages 36, International Society for Tropical Root Crops (ISTRC), 2006. |
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| Nutritional enhancement of yam, Akin-Idowu, P., Asiedu, R., Maziya-Dixon, B. and Baah, F., in: 37th Annual Conference and Scientific meeting of Nutrition Society of Nigeria (NSN). 8-10 December, 2006, Abeokuta, Nigeria, 2006. |
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| Evaluation of 5 hybrid yams for dry season yam production in lowland areas, Ikeorgu, J.* and Asiedu, R., in: Repositioning agriculture for sustainable millennium development goals in Nigeria: proceedings of the 40th annual conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, Abia State, 16-20 October, pages 640-642, Agricultural Society of Nigeria, 2006. |
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| Pathogenic and genetic variability among Colletotrichum gloeosporioides isolates from different yam hosts in the agroecological zones in Nigeria, Abang, M., Asiedu, R., Hoffmann, P., Wolf, G., Mignouna, H. and Winter, S., in: Journal of Phytopathology, volume 154, number 1, pages 51-61, ISSN 0931-1785, 2006. |
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| Cultivar evaluation and mega-environment investigation of Dioscorea cayenensis cultivars in Ghana based on the GGE Biplot analysis, Otoo, E.* and Asiedu, R., in: Journal of Food, Agriculture and Environment, volume 4, number 3&4, pages 162-166, 2006. |
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| Reaction of white guinea yam (Dioscorea rotundata Poir.) genotypes to virus diseases in four agroecological zones in Nigeria, Odu, B., Asiedu, R., Shoyinka, S.* and Hughes, J., in: Journal of Phytopathology, volume 154, number 11-12, pages 688-693, ISSN 0931-1785, 2006. |
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| Screening of water yam (Dioscorea alata L.) genotypes for reactions to viruses in Nigeria, Odu, B., Asiedu, R., Shoyinka, S.* and Hughes, J., in: Journal of Phytopathology, volume 154, number 11-12, pages 716-724, ISSN 0931-1785, 2006. |
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| Socio-economic determinants of adoption of yam minisett technology by women farmers in Abia State of Nigeria, Ironkwe, A., Asiedu, R. and Ekwe, K., in: Journal of Research in Agriculture, volume 3, number 4, pages 1-7, 2006. |
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| AFLP marker diversity in water yam (Dioscorea alata L.), Egesi, C. N.*, Asiedu, R., Ude, G., Ogunyemi, S. and Egunjobi, J.*, in: Plant Genetic Resources: Characterization and Utilization, volume 4, number 3, pages 181-187, ISSN 1479-2621, 2006. |
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| Effect of N-Propyl Dihydrojasmonate (Pdj) on in vitro growth of yam (Dioscorea spp.) explants, Kikuno, H ., Oladimeji, Z., Ebuehi, Z., Ebuehi, A., Shiwachi, H ., Onjo, M. and Asiedu, R., in: Japanese Journal of Tropical Agriculture, volume 49, number 2, pages 59-60, ISSN 0021-5260, 2005. |
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| Sensory texture profiling and development of standard rating scales for pounded yam, Otegbayo, B.*, Aina, J., Sakyi-Dawson, E., Bokanga, M. and Asiedu, R., in: Journal of Texture Studies, volume 36, pages 478-488, 2005. |
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| Comparison of fungitoxicity of culture filtrate of a yam rhizobacterium with two synthetic fungicides, Awuah, R. T.*, Akrasi, K. O., Moses, E., Otoo, E.* and Asiedu, R., in: Proceedings of the 7th African Crop Science Society Conference, Kampala, Uganda, 5-9 December 2005, pages 313-316, 2005. |
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| PCR marker-based analysis of wild and cultivated yams (Dioscorea spp.)in Nigeria: genetic relationships and implication for ex situ conservation, Mignouna, H., Abang, M., Wanyera, N., Chikaleke, V., Asiedu, R. and Thottappilly, G., in: Genetic Resources and Crop Evolution, volume 52, pages 755-763, 2005. [DOI] |
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| Morphological, biochemical and molecular approaches to yam (Dioscorea spp.) genetic resource characterisation, Mignouna, H., Abang, M., Dansi, A., Asiedu, R., Thangadurai, D. and Pullaiah, T., volume 1, pages 162-185, Regency, 2005. |
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| Genotype x environment interaction in water yam (Dioscorea alata) yield trials in five yam-growing sites in Nigeria, Egesi, C. N.*, Ogunyemi, S. and Asiedu, R., in: Journal of Genetics and Breeding, volume 59, pages 81-88, 2005. |
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| Evaluating use of minitubers in screening yam genotypes for tolerance to fungal rot pathogens, Mwangi, M., Bandyopadhyay, R. and Asiedu, R., in: African Crop Science Conference, pages 273-276, 2005. |
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| Expanding Guinea yam (Dioscorea spp.) production in Uganda: results of a short survey in Luweero district, Coyne, D., Kajumba, C. and Asiedu, R., in: African Journal of Root and Tuber Crops, volume 6, number 1, pages 53-58, ISSN 1118-2075, 2005. |
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| Yam germplasm conservation and screening in Uganda, Kagoda, F., Coyne, D., Asiedu, R., Wanyera, N., Mudiope, J., Dusabe, J. and Kyamuhangire, W., in: 7th African Crop Science conference, pages 245-249, 2005. |
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| Effect of Ethephone and storage temperature on tuber sprouting in yams (Dioscorea spp.), Shiwachi, H ., Kikuno, H ., Asiedu, R., Onjo, M. and Toyohara, H., in: Journal of ISSAAS, volume 11, number 1, pages 36-43, 2005. |
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| Sprouting and yield of yam (Diocorea spp.) minisetts in relation to sett size, soil moisture and agro-ecology, Shiwachi, H ., Ayankanmi, T. and Asiedu, R., in: Tropical Science, volume 45, number 1, pages 23-27, ISSN 0041-3291, 2005. |
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| Microstructure of boiled yam (Dioscorea spp.) and its implication for assessment of textural quality, Otegbayo, B.*, Aina, J., Asiedu, R. and Bokanga, M., in: Journal of Texture Studies, volume 36, pages 324-332, 2005. |
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| Mini tuber production using yam (Dioscorea rotundata) vines, Shiwachi, H ., Kikuno, H . and Asiedu, R., in: Tropical Science, volume 45, number 4, pages 163-169, ISSN 0041-3291, 2005. |
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| Effect of photoperiod on the development of inflorescences in white Guinea yam (Dioscorea rotundata), Shiwachi, H ., Ayankanmi, T. and Asiedu, R., in: Tropical Science, volume 45, number 3, pages 126-130, ISSN 0041-3291, 2005. |
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| Yam production in the derived coastal savanna zone of Ghana - Past, Present and Future Prospects, Otoo, E.*, Asiedu, R., Ennin, S.* and Ekpe, E.*, in: Agricultural and Food Science Journal of Ghana, volume 4, pages 301-315, 2005. |
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| The first-ever formal release of yam genotypes in Ghana, Otoo, E.* and Asiedu, R., in: African Crop Science Conference proceedings, pages 203-208, 2005. |
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| Assessing food quality in farmer participatory varietal selection of Water Yam (Dioscorea alata L.), Okonkwo, C., Dossou, R.*, Zoupoya, K., N'kpenu, E., Otoo, E.*, Alhassan, A. Y., Echekwu, C. A. and Asiedu, R., in: 9th Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch (ISTRC-AB); October 31 to November 5, 2004, Mombasa, Kenya, 2004. |
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| Farmer participatory clonal selection of Water Yam (Dioscorea alata) in West Africa, Okonkwo, C., Dossou, R.*, Zoupoya, K., N'kpenu, E., Otoo, E.*, Alhassan, A. Y., Echekwu, C. A. and Asiedu, R., in: 9th Triennial Symposium of the Internaitonal Society for Tropical Root Crops-Africa Branch (ISTRC-AB); October 31 to November 5, 2004, Mombasa, Kenya, 2004. |
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| Influence of explant condition on microtuberization of yams (Dioscorea alata and D. rotundata), Kikuno, H ., Shiwachi, H ., Onjo, M. and Asiedu, R., in: Japanese Society for Tropical Agriculture, volume 48, number 2, pages 71-72, 2004. |
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| Archiving root and tuber research data. The small processor and development of local food industries for market economy, Okechukwu, R., Okonkwo, C., Quin, F., Asiedu, R. and Dixon, A., in: The small processor and development of local food industries for market economy, pages 376-379, International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria, 2004. |
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| Towards the establishment of a yam EST database for understanding plant genome evolution, gene discovery and germplasm characterization, Mignouna, H., Abang, M., Geeta, R. and Asiedu, R., in: 9th Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch (ISTRC-AB); October 31 to November 5, 2004, Mombasa, Kenya, 2004. |
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| Yam (Dioscorea rotundata Poir. and D. alata L.) meristem culture - optimization and genetic stability study of micropropagated plants, Adeniyi, O. J., Adetimirin, V.*, Ingelbrecht, I. and Asiedu, R., in: 9th Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch (ISTRC-AB); October 31 to November 5, 2004, Mombasa, Kenya, 2004. |
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| Two genetically distinct populations of colletotrichum gloeosporioides from yam (Dioscorea spp.) in Nigeria, Abang, M., Fagbola, O.*, Smalla, K., Asiedu, R. and Winter, S., in: 9th Triennial Symposium of the Internaitonal Society for Tropical Root Crops-Africa Branch (ISTRC-AB); October 31 to November 5, 2004, Mombasa, Kenya, 2004. |
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| Responses of white yam (Dioscorea rotundata) cultivars to inoculation with three viruses, Odu, B., Hughes, J., Asiedu, R., Ng, N. Q., Shoyinka, S.* and Oladiran, O., in: Plant Pathology, volume 53, number 2, pages 141-147, ISSN 0032-0862, 2004. |
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| Nutrient deficiency symptoms in yams (Dioscorea spp.), Shiwachi, H ., Okonkwo, C. and Asiedu, R., in: Japanese Journal of Tropical Agriculture, volume 48, number 2, pages 73-74, 2004. |
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| Water yam (Dioscorea alata), a neglected crop with high potential in West Africa, Okonkwo, C., Adeniji, M. and Asiedu, R., in: 9th Triennial Symposium of International Society for Tropical Root Crops-Africa Branch (ISTRC-AB); October 31 to November 5, 2004, Mombasa, Kenya, 2004. |
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| Is the yam (Dioscorea spp.) Tuber-head the primary nodal complex (PNC) and the origin of the vine, feeder root and tuber? A mini review, Ile, E., Craufurd, P., Asiedu, R. and Battey, N., in: 9th Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch (ISTRC-AB); October 31 to November 5, 2004, Mombasa, Kenya, 2004. |
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| Effect of auxins on root development in yam (Dioscorea rotundata) vine, Acha, I. A.*, Shiwachi, H ., Asiedu, R. and Akoroda, M. O.*, in: Tropical Science, volume 44, number 2, pages 80-84, ISSN 1556-9179, 2004. [DOI] |
|
| Evaluation of resistance to yam mosaic virus (YMV), genus Potyvirus in white yam (Dioscorea rotundata Poir.), Odu, B., Asiedu, R., Hughes, J., Shoyinka, S.* and Oladiran, O., in: Field Crops Research, volume 89, pages 97-105, 2004. |
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| Safe and effective international movement of vegetatively propagated crops in sub-Saharan Africa, Hughes, J., Asiedu, R., Ayodele, M., Dixon, A. and Tenkouano, A., in: Book of Abstracts of the 9th Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch, 31 October-5 November 2004, Mombasa, Kenya, 2004. |
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| Biofortification of root and tuber crops: a novel approach to improving health and nutrition in Africa, Maziya-Dixon, B., Asiedu, R., Kapinga, R., Andrade, M., Bonierbale, M. and Ceballos, H., in: Book of Abstracts of the 9th Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch, 31 October-5 November 2004, Mombasa, Kenya, pages 22, 2004. |
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| Evidence for high evolutionary potential of Colletotrichum gloeosporioides, the causal agent of yam anthracnose disease, Abang, M., Asiedu, R., Hoffmann, P., Wolf, G., Mignouna, H. and Winter, S., in: 9th Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch (ISTRC-AB); October 31 to November 5, 2004, Mombasa, Kenya, 2004. |
|
| Evaluation of sixteen clones of selected yam (Dioscorea cayenensis-ro-tundata) in two agroecological zones in Togo, N'kpenu, E., Asiedu, R. and Tchala, W., in: 9th Triennial Symposium of the Internaitonal Society for Tropical Root Crops-Africa Branch (ISTRC-AB); October 31 to November 5, 2004, Mombasa, Kenya, 2004. |
|
| Evaluation of water yam (Dioscorea alata L.) genotypes for reaction to yam anthracnose disease, Ogunyemi, S. and Asiedu, R., in: 9th Triennial Symposium of the Internaitonal Society for Tropical Root Crops-Africa Branch (ISTRC-AB); October 31 to November 5, 2004, Mombasa, Kenya, 2004. |
|
| Screening for resistance to Scutellonema bradys in Dioscorea species, Bamkefa, B., Asiedu, R. and Fawole, B.*, in: 9th Triennial Symposium of the Internaitonal Society for Tropical Root Crops-Africa Branch (ISTRC-AB); October 31 to November 5, 2004, Mombasa, Kenya, 2004. |
|
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| Molecular taxonomic, epidemiological and population genetic approaches to understanding yam anthracnose disease, Abang, M., Winter, S., Mignouna, H., Green, K. and Asiedu, R., in: African Journal of Biotechnology, volume 2, number 12, pages 486-496, ISSN 1684-5315, 2003. |
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| Comparative effects of four botanicals and chemical gibberrellic acid (GA3) on the reduction of post-harvest losses in yam (Dioscorea rotundata) in storage, Eze, S. C.*, Asiegbu, J. E., Mbah, B.*, Orkwor, G. C. and Asiedu, R., in: Paper presented at the International Workshop on Post-Harvest and consumption of yam: loss reduction and improvement of product quality for African markets; June 17-19 2003, Cotonou, 2003. |
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| Evaluation of four botanicals extracts and three types of storage bags for yam chip storage, Eze, S. C.*, Asiegbu, J. E., Mbah, B.*, Orkwor, G. C. and Asiedu, R., in: Paper presented at the International Workshop on Post-Harvest and consumption of yam: loss reduction and improvement of product quality for African markets; June 17-19 2003, Cotonou, 2003. |
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| Factors affecting the adoption of agricultural technologies within yam-based production systems: prospects for the diffusion of improved yam varieties in Nigeria, Amegbeto, N. K., Manyong, V., Coulibaly, O. and Asiedu, R., in: Root crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Syposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, pages 68-75, 2003. |
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| Contribution a la caracterisation agro-morphologiques des ignames de l'espece Dioscorea alata L. en Cote d'Ivoire, Kouakou, A. M., Mignouna, H., Ng, N. Q., Asiedu, R., Zoundjihekpon, J., Ahoussou, N., Doumbia, S. and Zohouri, P. G., in: Root crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Syposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, pages 620-625, 2003. |
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| Archiving root and tuber research data, Okechukwu, R., Okonkwo, C., Quin, F., Asiedu, R. and Dixon, A., in: Root crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Syposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, pages 376-379, 2003. |
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| Amelioration de la production de l'igname a travers la fertilisation minerale en zone de savene de Cote d'Ivoire, Soro, D., Dao, D.*, Carsky, R., Asiedu, R., Bi, T., Tra, , Assa, A. and Girardin, O., in: Atelier national sur le developpement durable de la production et de la consommation de l'igname en Cote d'Ivoire. Abidjan, October 23-26. Association Ivoirienne des Sciences Agronomique (AISA), pages 39-46, 2003. |
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| Evaluation de nouvelles varieties d'igname en Cote d'Ivoire: bilan de trois annees d'experience avec des genotypes ameliores par l'IITA, Ettien, J. B., Tschannen, A. B., Nindjin, C., Asiedu, R., Assa, A. and Girardin, O., in: Atelier national sur le developpement durable de la production et de la consommation de l'igname en Cote d'Ivoire. Abidjan, October 23-26. Association Ivoirienne des Sciences Agronomique (AISA), pages 109-116, 2003. |
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| Determinants of market value for fresh yam tubers in two consumption centres in Togo, Amegbeto, N. K., Manyong, V., Coulibaly, O. and Asiedu, R., in: Paper presented at the International Workshop on Post-Harvest and consumption of yam: loss reduction and improvement of product quality for African markets; June 17-19 2003, Cotonou, 2003. |
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| Fried yam chips: from a traditional favorite to a modern food product, Bokanga, M., Abass, A., Olorunda, A. O.* and Asiedu, R., in: Poster presented at the International Union of Food Science and Technology's 12th World Congress of Food Science and Technology; July 16-20, 2003 Chicago, Illinois, USA, 2003. |
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| Rate of change in photoperiod and the intensity of timing of flowering in white yam (Dioscorea rotundata Poir.), Ile, E., Craufurd, P., Battey, N. and Asiedu, R., in: Comparative Biochemistry and Physiology A: Molecular and Integrative Physiology, volume 134, pages S161, ISSN 1095-6433, 2003. |
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| Harnessing modern biotechnology for tropical tuber crop improvement: yam (Dioscorea spp.) molecular breeding, Mignouna, H., Abang, M. and Asiedu, R., in: African Journal of Biotechnology, volume 2, number 12, pages 478-485, ISSN 1684-5315, 2003. |
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| Induction of sprouting in dormant yam (Dioscorea spp.) tubers with inhibitors of gibberellins, Shiwachi, H ., Ayankanmi, T., Asiedu, R. and Onjo, M., in: Experimental Agriculture, volume 39, number 2, pages 209-217, ISSN 0014-4797, 2003. |
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| Influence of exogenous gibberellins inhibitors on tuber sprouting in yam, Shiwachi, H ., Ayankanmi, T., Asiedu, R. and Onjo, M., in: Tropical Science, volume 43, number 3, pages 147-151, ISSN 0041-3291, 2003. |
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| A technique for grafting water yam (Dioscorea alata), Shiwachi, H ., Ayankanmi, T. and Asiedu, R., in: Paper presented at: Proceedings of the 8th Symposium of the International Society for Tropical Root Crops-Africa Branch, Ibadan, Nigeria, 2003. |
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| Induction of germination in dormant yam (Dioscorea spp.) tubers with inhibitors of gibberellins, Shiwachi, H ., Ayankanmi, T., Asiedu, R. and Onjo, M., in: Paper presented at: The 8th symposium of the International Society for Tropical Root Crops-Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, 2003. |
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| Mini-tuber production using yam (Dioscorea rotundata) vine, Shiwachi, H ., Acha, I. and Asiedu, R., in: Paper presented at: Proceedings of the 93th Conference of the Japanese Society for Tropical Agriculture, March, pages 29-30, Nairobi, Kenya, 2003. |
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| Breeding vegetatively propagated crops, Ortiz, R., Dochez, C., Asiedu, R. and Moonan, F., in: Paper presented at: Arnel R. Hallauer Symposium on Plant Breeding; 17-22 August, Mexico, City, Mexico, 2003. |
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| Effect of age of yam tuber at harvest on the qualities of yam foods, Abass, A., Olorunade, A. O. and Asiedu, R., in: Root crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Syposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, pages 131-138, 2003. |
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| Bacterial tuber rot of seed yams (Dioscorea rotundata) in Nigeria and the Republic of Benin, Ayodele, M., Hughes, J. and Asiedu, R., in: Root crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Syposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, pages 597-602, 2003. |
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| Reactions of white yam (Dioscorea rotundata Poir.) genotypes to three viruses infecting yams, Odu, B., Hughes, J., Asiedu, R., Shoyinka, S.* and Oladiran, O., in: Root crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Syposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, pages 516-521, 2003. |
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| Food quality attributes of Pona yam, Otegbayo, B.*, Achidi, A.*, Asiedu, R. and Bokanga, M., in: Root crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Syposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, pages 119-122, 2003. |
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| Production of yams (Dioscorea spp.) in Sierra Leone: initiatives for increased production, Salia-Konneh, T., Jalloh, A.* and Asiedu, R., in: Root crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Syposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, pages 602-603, 2003. |
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| Pasting characteristics as indicators of food textural quality in pounded yam, Otegbayo, B.*, Aina, J., Asiedu, R. and Bokanga, M., in: Paper presented at the International Workshop on Post-Harvest and consumption of yam: loss reduction and improvement of product quality for African markets; June 17-19 2003, Cotonou, 2003. |
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| Advances in yam (Dioscorea spp.) genetics and genomics, Mignouna, H., Abang, M. and Asiedu, R., in: Paper presented at the 13th Triennial symposium of the International Society for Tropical Root Crops (ISTRC): 9-15 November 2003 Arusha, Tanzania, 2003. |
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| Effect of harvest date on the dormancy period of yam (Dioscorea rotundata), Swannell, M., Wheeler, T., Asiedu, R. and Craufurd, P., in: Tropical Science, volume 43, pages 103-107, 2003. |
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| Seed yam production from presprouted minisetts with varied thickness of storage parenchyma, Aighewi, B., Akoroda, M. and Asiedu, R., in: African Journal of Root and Tuber Crops, volume 5, number 2, pages 21-24, 2003. |
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| Phosphoglucose dehydrogenase (6-PGD) in yam (Dioscorea spp.): variation and potential in germplasm characterization and classification, Mignouna, H., Dansi, A. and Asiedu, R., in: Plant Genetic Resources Newsletter, volume 133, pages 27-30, 2003. |
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| Genetic diversity of organoleptic properties in water yam (Dioscorea alata L.), Egesi, C., Asiedu, R., Egunjobi, J.* and Bokanga, M., in: Journal of the Science of Food and Agriculture, volume 83, pages 858-865, ISSN 0022-5142, 2003. [DOI] |
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| Anthracnose disease of yams in West Africa: recent advances in research and future perspectives, Abang, M., Asiedu, R., Mignouna, H., Green, K., Wolf, G. and Winter, S., in: Root Crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Syposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, pages 562-571, 2003. |
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| Screening yams (Dioscorea spp.) for organoleptic quality, Adeniji, M. and Asiedu, R., in: Root crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Syposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, pages 438-441, 2003. |
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| Cultural control of scutellonema bradys on Dioscorea spp., Claudius-Cole, A. O.*, Asiedu, R. and Fawole, B.*, in: Root crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Syposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, pages 572-576, 2003. |
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| Evaluation of phenotypic variation in water yam (Dioscorea alata L.) germplasm using multivariate analysis, Egesi, C. N.*, Asiedu, R., Egunjobi, J.* and Ogunyemi, S., in: Root crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Syposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, pages 461-468, 2003. |
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| Development and evaluation of hybrid yams (Dioscorea rotundata Poir.) in pre-release multilocational trials in Nigeria, Orkwor, G. C., Asiedu, R., Hahn, S. K., Surma, D., Udensi, U. and Chukwu, G. O., in: Root crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Syposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, pages 353-355, 2003. |
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| Control of postharvest fungal rot of white yam (Dioscorea rotundata Poir.) with botanicals, Sangoyomi, T.*, Asiedu, R. and Ekpo, E.*, in: Root crops: the small processor and development of local food industries for market economy: proceeding of the Eighth Triennial Syposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), 12-16 November 2001, Ibadan, Nigeria, pages 545-550, 2003. |
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| Survey of Fungicide sensitivity in Colletotrichum gloeosporioided from yam-based cropping systems in Nigeria, Abang, M., Asiedu, R., Winter, S., Hoffmann, P., Green, K., Wolf, G. and Mignouna, H., in: Poster presented at the 13th Triennial symposium of the International Society for Tropical Root Crops (ISTRC): 9-15 November 2003 Arusha, Tanzania, 2003. |
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| Producing seed yams (Dioscorea rotundata Poir.) using yam peels, Aighewi, B., Asiedu, R. and Akoroda, M., in: African Journal of Root and Tuber Crops, volume 5, number 2, pages 28-31, 2003. |
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| Producing seed yams (Dioscorea rotundata Poir.) from young sprouts, Aighewi, B., Asiedu, R. and Akoroda, M., in: African Journal of Root and Tuber Crops, volume 5, number 2, pages 13-14, 2003. |
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| Problems and perspectives of yam-based cropping systems in Africa, Ekanayake, I. J. and Asiedu, R., in: Journal of Crop Production, volume 9, number 1-2, pages 531-558, ISSN 1092-678X, 2003. |
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| Yam breeding, Asiedu, R., Mignouna, H., Odu, B. and Hughes, J., in: Plant Virology in sub-Saharan Africa: proceedings of a conference organized by IITA, 4-8 June 2001., pages 466-475, International Institute of Tropical Agriculture (IITA), 2003. |
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| Yams in West Africa: production and collaborative research, Asiedu, R., in: Atelier national sur le developpement durable de la production et de la consommation de l'igname en Cote d'Ivoire. Abidjan, October 23-26. Association Ivoirienne des Sciences Agronomique (AISA), pages 173-176, 2003. |
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| The IFAD/IITA/WECARD yam project in West Africa, Asiedu, R., in: Paper presented at the International Workshop on Post-Harvest and consumption of yam: loss reduction and improvement of product quality for African markets; June 17-19 2003, Cotonou, 2003. |
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| A genetic linkage map of guinea yam (Dioscorea rotundata Poir.) based on AFLP markers, Mignouna, H., Mank, R., Ellis, T., Van den Bosch, N., Asiedu, R., Ng, S. Y. C. and Peleman, J., in: Theoretical and Applied Genetics, volume 105, pages 716-725, 2002. [DOI] |
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| Identification and potential use of RAPD markers linked to yam mosaic virus resistance in white yam (Dioscorea rotundata Poir.), Mignouna, H., Abang, M., Onasanya, A., Agindotan, B. and Asiedu, R., in: Annals of Applied Biology, volume 140, pages 163-169, 2002. |
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| A genetic linkage map of water yam (Dioscorea alata L.) based on AFLP markers and QTL analysis for anthracnose resistance, Mignouna, H., Mank, R., Ellis, T., Van den Bosch, N., Asiedu, R., Abang, M. and Peleman, J., in: Theoretical and Applied Genetics, volume 105, pages 726-735, 2002. [DOI] |
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| Identification and potential application of RAPD markers for anthracnose resistance in water yam (Dioscorea alata), Mignouna, H., Abang, M., Onasanya, A. and Asiedu, R., in: Annals of Applied Biology, volume 141, pages 61-66, 2002. |
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| Occurrence of yam leaf, vine, and tuber infection by Colletotrichum gloeosporioides strains in four locations in Nigeria, Ayodele, M., Hughes, J. and Asiedu, R., in: Proceedings of the 4th ISTA-PDC Seed Health symposium on helathy seeds, the basis for sustainable farming, Wageningen, The Netherlands, 2002. |
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| First report of Nattrassia mangiferae as a postharvest fungal pathogen of white yam (Dioscorea rotundata) in Nigeria, Sangoyomi, T.*, Ekpo, E.* and Asiedu, R., in: Plant Disease, volume 86, number 8, pages 919, ISSN 0191-2917, 2002. |
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| Effect of day length on the development of tubers in yams (Dioscorea spp.), Shiwachi, H ., Ayankanmi, T. and Asiedu, R., in: Tropical Science, volume 42, pages 162-170, ISSN 1556-9179, 2002. |
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| Seed yam (Dioscorea rotundata Poir) production, storage, and quality in selected yam zones of Nigeria, Aighewi, B. A.*, Akoroda, M. O.* and Asiedu, R., in: African Journal of Root and Tuber Crops, volume 5, number 1, pages 20-23, 2002. |
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| Ploidy analysis in water yam, Dioscorea alata L., germplasm, Egesi, C., Pillay, M., Asiedu, R. and Egunjobi, J.*, in: Euphytica, volume 128, number 2, pages 225-230, 2002. |
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| In vitro, greenhouse, and field assessment of cassava lines for resistance to anthracnose disease caused by colletotrichum gloeosporiodes f. sp. Manihotis, Fokunang, C. N., Ikotun, T.*, Asiedu, R., Tembe, E. A. and Akem, C., in: Mycopathologia, volume 154, number 4, pages 191-198, ISSN 0301-486X, 2002. [DOI] |
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| Analysis of yam yields using the additive main effects and multiplicative interaction (AMMI) model, Egesi, C. N.* and Asiedu, R., in: African Crop Science Journal, volume 10, number 3, pages 195-201, ISSN 1021-9730, 2002. |
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| Patterns and locations of sprouts on intact tubers of a multiple sprouting Dioscorea rotundata poir. variety, Pepa, Aighewi, B. A.*, Asiedu, R. and Akoroda, M. O.*, in: African Journal of Root and Tuber Crops, volume 5, number 1, pages 18-19, 2002. |
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| Anthracnose: an economic disease of cassava in Africa, Fokunang, C.*, Ikotun, T.*, Tembe, E.*, Akem, C. and Asiedu, R., in: Pakistan Journal of Biological Sciences, volume 4, number 7, pages 920-925, 2001. |
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| Characterisation and conservation of yam biodiversity for sustainable use for food and agriculture in Benin Republic, Dansi, A., Mignouna, H., Sangare, A.*, Zoundjihekpon, J., Asiedu, R. and Quin, F., International Society for Tropical Root Crops (ISTRC) - Africa Branch; Government of Benin, 2001. |
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| Inheritance of resistance to yam mosaic virus, genus Potyvirus, in white yam (Dioscorea rotundata), Mignouna, H., Njukeng, A. P.*, Abang, M. and Asiedu, R., in: Theoretical and Applied Genetics, volume 103, pages 1196-2000, 2001. |
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| Inheritance of resistance in water yam (Disocorea alata) to anthracnose (Colletotrichum gloeosporioides), Mignouna, H., Green, M. M., Abang, K. R. and Asiedu, R., in: Theoretical and Applied Genetics, volume 103, pages 52-55, ISSN 0040-5752, 2001. |
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| Farmers' perceptions and economic advantages of the hot-water therapy for disinfecting seed yams against nematodes in Nigeria, Amegbeto, N. K., Manyong, V., Coulibaly, O. and Asiedu, R., in: Proceedings of the African Crop Science Conference, 22-26 October 2001, Lagos, Nigeria, pages 817-823, African Crop Science Society, 2001. |
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| Yam viruses in Nigeria, Odu, B., Shoyinka, S.*, Hughes, J., Asiedu, R. and Oladiran, A., in: Root crops in the 21st century: proceedings of the 7th Triennial Symposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), Cotonou, Benin, 11-17 October 1998, pages 631-633, ISTRC-AB; Government of Benin, 2001. |
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| Culturing Scutellonema bradys on yam tuber slices: paper presented at the 7th Triennial symposium of the International Society for Tropical Root Crops - Africa branch, IITA, Ibadan, Nigeria, Oct. 1998, Kwoseh, C.*, Plowright, R., Stanfield, J. and Asiedu, R., pages 575-576, International Society for Tropical Root Crops (ISTRC) - Africa Branch, 2001. |
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| Producing seed yams (Dioscorea rotundata) from sprouts, Aighewi, B., Akoroda, M. and Asiedu, R., in: Root crops in the 21st century: proceedings of the 7th Triennial Symposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), Cotonou, Benin, 11-17 October 1998, pages 297-299, ISTRC-AB; Government of Benin, 2001. |
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| Induction of germination in dormant yam (Dioscorea spp.) tubers with inhibitions of gibberellins, Shiwachi, H ., Ayankanmi, T. and Asiedu, R., pages 52, 2001. |
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| Effect of day length on the enlargement and maturation of tubers in yams (Dioscorea spp.), Shiwachi, H ., Ayankanmi, T. and Asiedu, R., volume 44, pages 33-34, 2001. |
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| Tuber and root information system (TRIS): an essential tool for research, planning and development, Okechukwu, R., Quin, F. and Asiedu, R., pages 104-109, 2001. |
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| Influence of fertilizers on yield, storage, and food qualities of yams, Adeniji, M., Obigbesan, G., Asiedu, R. and Bokanga, M., in: Root crops in the 21st century: proceedings of the 7th Triennial Symposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), Cotonou, Benin, 11-17 October 1998, pages 307-310, 2001. |
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| Dormancy in yams, Craufurd, P., Summerfield, R., Asiedu, R. and Vara Prasad, P., in: Experimental Agriculture, volume 37, number 2, pages 147-181, ISSN 0014-4797, 2001. |
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| The role of cover crops in the managment of Meloidogyne incognita and other plant-parasitic nematodes, Claudius-Cole, A. O.*, Fawole, B.* and Asiedu, R., in: Proceedings of the African Crop Science Conference, 22-26 October 2001, Lagos, Nigeria, pages 265-269, African Crop Science Society, 2001. |
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| Processing characteristics and sensory analysis of water yam, Ogunyemi, S., Asiedu, R., Egunjobi, J.* and Bokanga, M., in: Proceedings of the African Crop Science Conference, 22-26 October 2001, Lagos, Nigeria, pages 513-517, African Crop Science Society, 2001. |
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| Bacterial tuber root of seed yams (Dioscorea rotundata) in Nigeria and the Republic of Benin, Ayodele, M., Hughes, J. and Asiedu, R., in: Abstract of the Eighth Triennal Symposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB) 12-16 Nov, Ibadan, Nigeria, 2001. |
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| Reactions of white yam (Dioscorea rotundata Poir.) genotypes to three viruses infecting yams, Odu, B., Hughes, J., Asiedu, R., Shoyinka, S.* and Oladiran, O., in: Book of Abstracts of the Eighth Triennial Symposium of the International Society for Tropical Root Crops (ISTRC) - Africa Branch, 12-16 Nov, International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria, 2001. |
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| Yams in the Tanzanian food and farming systems: implications for research and development, Kapinga, N., Wanyera, N., Asiedu, R., Chirimi, B. and Kaare, S., in: Root crops in the 21st century: proceedings of the 7th Triennial Symposium of the International Society for Tropical Root Crops - Africa Branch (ISTRC-AB), Cotonou, Benin, 11-17 October 1998, pages 230-236, ISTRC-AB; Government of Benin, 2001. |
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| Seed yam (Dioscorea rotundata Poir) production, storage and quality in some yam zones of Nigeria, Aighewi, B., Akoroda, M. and Asiedu, R., in: Root crops in the 21st century: proceedings of the 7th Triennial Symposium of the International Society for Tropical root Crops (ISTRC) - Africa Branch. Oct 1998. Government of Benin, pages 300-303, 2001. |
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| Potential of West African white yam (Dioscorea rotundata Poir.) genotypes as sources of resitance to yam mosaic virus (genus Potyvirus; family Potyviridae), Odu, B., Asiedu, R., Hughes, J., Shoyinka, S.* and Oladiran, A., 2001. |
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| Utilization of genetic resources for the improvement of cassava in sub-saharan Africa (SSA), Dixon, A., Asiedu, R., Whyte, J. and Mahungu, N., pages S6-09, 2001. |
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| Resistance of water yam to anthracnose disease in Nigeria, Aduramigba-Modupe, A.O., Asiedu, R., Odebode, C. A.* and Oladiran, A., in: Proceedings of the African Crop Science Conference, 22-26 October 2001, Lagos, Nigeria, pages 483-486, African Crop Science Society, 2001. |
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| Influence of storage methods on tuber losses of white yam, Sangoyomi, T.*, Asiedu, R. and Ekpo, E.*, in: Proceedings of the African Crop Science Conference, 22-26 October 2001, Lagos, Nigeria, pages 533-537, African Crop Science Society, Kampala, Uganda, 2001. |
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| Control of the yam nematode (Scutellonema bradys) with neem fruit powder, Onalo, J., Asiedu, R. and Adesiyan, S., pages 634-637, Government of Benin, 2001. |
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| Farmers' perceptions of, and actions on resource management constraints in the yam-based systems of western Nigeria, Manyong, V., Asiedu, R. and Olaniyan, G. O., pages 156-167, Government of Benin, 2001. |
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| Flowering in yams (Dioscorea spp.), Asiedu, R. and Egunjobi, J.*, pages 652-661, International Society for Tropical Root Crops (ISTRC) - Africa Branch; Government of Benin, 2001. |
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| Access to and sharing of plant biodiversity: the case of IITA in helping African nations to fight famine, Ng, N. Q., Asiedu, R., Singh, B., Menkir, A., Tenkouano, A., Asafo-Adjei, B.*, Ng, S. Y. C., Whyte, J., Badu-Apraku, B., Mahungu, N. and Ortiz, R., pages 91, 2001. |
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| Influence of tuber sett-weights on flowering in Dioscorea rotundata Poir, Chikaleke, V., Asiedu, R. and Fatokun, C., pages 304-307, International Society for Tropical Root Crops (ISTRC) - Africa Branch, 2001. |
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| Yam breeding, Asiedu, R., in: Paper presented at conference on Plant Virology in sub-Saharan Africa, 4-8 June, 2001, pages 16, International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria, 2001. |
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| Identification of some Benin Republic's Guinea yam (Dioscorea cayenensis/Dioscorea rotundata complex) cultivars using Randomly Amplified Polymorphic DNA, Dansi, A., Mignouna, H., Zoundjihekpon, J., Sangare, A.*, Asiedu, R. and Ahoussou, N., in: Genetic Resources and Crop Evolution, volume 47, pages 619-625, ISSN 0925-9864, 2000. |
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| Using isozyme polymorphism to assess genetic variation within cultivated yams (Dioscorea cayenensis/Dioscorea rotundata complex) of the Republic of Benin, Dansi, A., Mignouna, H., Zoundjihekpon, J., Sangare, A.*, Asiedu, R. and Ahoussou, N., in: Genetic Resources and Crop Evolution, volume 47, pages 371-383, 2000. |
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| Morphological diversity, cultivar groups and possible descent in the cultivated yams (Dioscorea cayenensis/D. rotundata) complex in Benin Republic, Dansi, A., Mignouna, H., Zoundjikekpon, J., Sangare, A.*, Asiedu, R. and Quin, F., in: Genetic Resources and Crop Evolution, volume 46, number 4, pages 371-388, ISSN 0925-9864, 1999. |
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| The potential of physical means for the manipulation of yam tuber dormancy, Barker, D. J., Keatinge, J. and Asiedu, R., in: Tropical Science, volume 39, number 4, pages 204-213, ISSN 0041-3291, 1999. |
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| Yam dormancy: potential mechanisms for its manipulation, Barker, D. J., Keatinge, J. and Asiedu, R., in: Tropical Science, volume 39, number 3, pages 168-177, ISSN 0041-3291, 1999. |
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| Production and delivery systems of good quality cassava planting materials in sub-Saharan Africa, Ekanayake, I. J., Asiedu, R. and Bieler, P., pages 267-281, Oxford; IBH, 1999. |
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| Potential for molecular breeding of yam at IITA, Asiedu, R., in: DNA marker-assisted improvement of the staple crops of sub-Saharan Africa: proceedings of a workshop on DNA markers, Ibadan, Nigeria, 21-22 August 1996, pages 207-208, International Institute of Tropical Agriculture (IITA); CTA, 1999. |
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| Planting materials and the future of yam cultivation in West Africa, Asiedu, R., in: West Africa Seed and Planting Materials Newsletter, volume 4, pages 11-12, 1999. |
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| Underresearched tropical food crops: cowpea, banana and plantain, and yams, Asiedu, R., Fatokun, C., Mignouna, J.*, Ng, S. Y. C. and Quin, F., pages 187-216, Springer, 1999. |
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| Effect of topping cassava plants on the incidence of cassava mosaic geminivirus disease, Njukeng, A. P.*, Atiri, G.*, Akano, A. O., Ng, S. Y. C. and Asiedu, R., in: African Journal of Plant Protection, volume 8, pages 11-18, 1998. |
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| Varietal identification key of the cultivated yams (Dioscorea cayenensis / Dioscorea rotundata complex) of Benin republic, Dansi, A., Mignouna, H., Zoundjihekpon, J., Sangare, A.* and Asiedu, R., in: Plant Genetic Resources Newsletter, volume 116, pages 18-25, 1998. |
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| Analysis of genetic diversity in Guinea yams (Dioscorea spp.) using AFLP fingerprinting, Mignouna, H., Ellis, N. T. H., Knox, M. R., Asiedu, R. and Ng, Q. N., in: Tropical Agriculture (Trinidad), volume 75, pages 224-229, 1998. |
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| Performance in three agroecologies of virus-tested cassava genotypes derived from meristem culture, Akano, A. O., Ng, S. Y. C., Asiedu, R. and Atiri, G.*, in: Root crops and poverty alleviation: proceedings of the Sixth Triennial Symposium of the International Society for Tropical Root Crops�Africa Branch, 22�28 October 1995, Lilongwe, Malawi, 1998. |
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| Preliminary studies of seed yam production from minisetts with different thicknesses of cortex parenchyma in white yam (Dioscorea rotundata Poir.), Aighewi, B., Akoroda, M. and Asiedu, R., in: Root crops and poverty alleviation: proceedings of the Sixth Triennial Symposium of the International Society for Tropical Root Crops - Africa Branch, 22-28 October 1995, Lilongwe, Malawi, pages 445-447, 1998. |
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| Food yams: advances in research, Orkwor, G. C., Asiedu, R. and Ekanayake, I. J., International Institute of Tropical Agriculture (IITA); NRCRI, ISBN 978 131 100 2, 1998. |
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| Application of molecular markers in germplasm enhancement of cassava (Manihot esculenta Crantz) and yam (Dioscorea spp.) at IITA, Mignouna, H., Asiedu, R., Dixon, A., Tonukari, N. J., Ng, N. Q., Thottappilly, G., Knox, M. R. and Ellis, T., in: Technical document, FAO/IAEA on 'Use of novel DNA fingerprinting techniques for the detection and characterisation of genetic variation in vegetatively propagated crops', Mumbi, India, 24-27 February 1997, 1998. |
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| Molecular taxonomy of cultivated and wild yams in West Africa, Mignouna, H., Asiedu, R. and Thottappilly, G., in: Root crops and poverty alleviation: proceedings, sixth triennial symposium of the International Society for Tropical Root Crops - Africa Branch, 22-28 October, 1995, Lilongwe, Malawi, pages 429, 1998. |
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| Acclimatization of in vitro yam plantlets: transition from tubes to field, Ng, S. Y. C. and Asiedu, R., in: Root crops and poverty alleviation: proceedings, sixth triennial symposium of the International Society for Tropical Root Crops - Africa Branch, 22-28 October, 1995, Lilongwe, Malawi, pages 435-438, 1998. |
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| Genetic improvement, Asiedu, R., Ng, S. Y. C., Bai, K. V., Ekanayake, I. J. and Wanyera, N., pages 63-104, International Institite of Tropical Agriculture (IITA); NRCRI, 1998. |
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| Cassava, Bonierbale, M., Guevara, C., Dixon, A., Ng, N. Q., Asiedu, R. and Ng, S. Y. C., pages 1-21, chapter 1, Cambridge University Press, 1997. |
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| Effect of African cassava mosaic disease on growth and yield components of virus-tested cassava genotypes derived from meristem culture in early and late planting periods in three agroecologies of Nigeria, Akano, A. O., Atiri, G.*, Ng, S. Y. C. and Asiedu, R., in: African Journal of Root and Tuber Crops, volume 2, pages 44-48, 1997. |
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| Effect of African cassava mosaic disease on the yield of cassava derived from cuttings from tissue culture plants in two agroecological zones of Nigeria, Akano, A. O., Asiedu, R. and Ng, S. Y. C., volume 2, number 1-2, pages 48, 1997. |
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| Yam characterization and evaluation: problems and prospects, Ng, N. Q., Asiedu, R. and Mignouna, H., in: Paper presented at the regional workshop for the conservation and utlization of cassava, sweetpotato and yam germplasm in sub-Saharan Africa, organized by CIP/IITA/IPGRI in Nairobi, 11-13 November, 1997, 1997. |
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| Cassava and yam genetic resources conservation and use in Africa: an overview from IITA, Ng, N. Q., Asiedu, R., Dixon, A., Ng, S. Y. C., Abaka-Whyte, J. and Mahungu, N., in: Paper presented at the regional workshop for the conservation and utlization of cassava, sweetpotato and yam germplasm in sub-Saharan Africa, organized by CIP/IITA/IPGRI in Nairobi, 11-13 November, 1997, 1997. |
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| Introgression of African landraces and arborescent cassava in genetic improvement of cassava in SSA: problems, progress and prospects, Dixon, A., Asiedu, R. and Ng, N. Q., in: Paper presented at the regional workshop for the conservation and utlization of cassava, sweetpotato and yam germplasm in sub-Saharan Africa, organized by CIP/IITA/IPGRI in Nairobi, 11-13 November, 1997, 1997. |
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| Towards a development strategy for yams, Asiedu, R., in: ISTRC Newsletter, volume 24, pages 10, 1997. |
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| Yams, Asiedu, R., Wanyera, N., Ng, S. Y. C. and Ng, N. Q., pages 57-66, Cambridge University Press, Cambridge, UK, 1997. |
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| Susceptibility of yam cultivars to minisett rot pathogens, Osai, E. O., Ikotun, T.*, Asiedu, R. and Hahn, S. K., in: Tropical Science, volume 36, pages 201-205, 1996. |
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| Molecular markers in germplasm enhancement of yams (Dioscorea spp.), Mignouna, H., Ng, N. Q., Asiedu, R. and Thottappilly, G., in: 2nd Internaitonal Crop Science Congress, 17-24 November 1996, Newsletter, India: abstracts of poster session, pages 312, 1996. |
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| Molecular markers in germplasm enhancement of yams (Dioscorea spp.), Mignouna, H., Ng, N. Q., Asiedu, R. and Thottappilly, G., in: 2nd Internaitonal Crop Science Congress, 17-24 November 1996, Newsletter, India: abstracts of poster session, pages 312, 1996. |
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| Production and delivery systems of good quality cassava planting materials in sub-Saharan Africa, Ekanayake, I. J., Asiedu, R. and Bieler, P., 1996. |
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| Yams in Africa: securing the future through research on a traditional favorite, Asiedu, R., in: ISTRC Newsletter, volume 23, pages 5-7, 1996. |
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| Random amplified polymorphism DNA (RAPD) markers for genetic fingerprinting of IITA elite clones and landraces of root crops, Mignouna, H., Asiedu, R., Tonukari, N. J., Ng, N. Q. and Thottappilly, G., in: Extended synopses, FAO/IAEA International Symposium on the use of induced mutations and molecular techniques for crop improvement, 19-23 June 1995, Vienna, Austria. IAEA-SM-340, pages 199, 1995. |
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| Yam storage problems: a breeder's perspective, Asiedu, R. and Wanyera, N., in: Paper present at a workshop on pests and pathogens of yams in storage, IITA, Ibadan, May 25, 1995, 1995. |
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| Variability of chloroplast DNA and nuclear ribosomal DNA in cassava (Manihot esculenta Crantz) and its wild relatives, Fregene, M.*, Vargas, J., Ikea, J., Angel, F., Thome, J., Asiedu, R., Akoroda, M. and Roca, W., in: Theoretical and Applied Genetics, volume 89, pages 719-727, 1994. |
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| Polyploid breeding of cassava, Hahn, S. K., Bai, K. V., Chukwuma, E., Asiedu, R., Dixon, A. and Ng, S. Y. C., in: Acta Horticulturae, volume 380, pages 102-109, ISSN 0567-7572, 1994. |
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| Genotype x environment interaction studies with cassava, Otoo, J., Dixon, A., Asiedu, R., Okeke, J. E., Maroya, N., Tougnon, K., Okoli, O., Tetteh, J. P. and Hahn, S. K., in: Acta Horticulturae, volume 380, pages 146-148, ISSN 0567-7572, 1994. |
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| Improved cassava for inland valley agro-ecosystems, Ekanayake, I. J., Dixon, A., Asiedu, R. and Izac, A. M. N., in: Root crops for food security in Africa: proceedings of the Fifth Triennal Symposium of the International Society for Tropical Root Crops-Africa Branch, 22-28 November 1992, Kampala, Uganda, pages 204-208, ISTRC-AB; CTA; International Institute of Tropical Agriculture (IITA), 1994. |
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| The cassava biotechnology network and African agriculture research and development programmes, Thro, A. M., Roca, W. and Asiedu, R., in: Root crops for food security in africa: proceedings of the 5th Triennial Symposium of the International Society for Tropical Root Crops - Africa Branch, held in Kampala, Uganda, 22-28 November 1992, pages 375-377, ISTRC-AB; CTA; International Institute of Tropical Agriculture (IITA), 1994. |
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| Attributes of cassava varieties desired by farmers in sub-Saharan Africa, Nweke, F., Dixon, A., Asiedu, R. and Folayan, S. A., in: Root crops for food security in Africa: proceedings of the Fifth Triennial Symposium of the International Society for Tropical Root Crops-African Branch, 22-28 November 1992, Kampala, Uganda, pages 65-92, ISTRC-AB; CTA; International Institute of Tropical Agriculture (IITA), 1994. |
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| Cassava varietal needs of farmers and the potential for production growth in Africa: COSCA working paper, No. 10, Nweke, F., Dixon, A., Asiedu, R. and Folayan, S. A., COSCA working paper, International Institute of Tropical Agriculture (IITA), 1994. |
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| Genotype environment interaction studies with cassava, Otoo, J., Dixon, A., Asiedu, R., Okeke, J. E., Maroya, N., Tougnon, K., Okoli, O., Tetteh, J. P. and Hahn, S. K., in: Tropical root crops in a developing economy: proceedings of the 9th Symposium of the International Society for Tropical Root Crops, 10-16 October 1991, Accra, Ghana, pages 146-148, International Society for Tropical Root Crops, 1994. |
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| Distribution and severity of Yam anthracnose in Nigeria, Akem, C. and Asiedu, R., in: Root Crops for food security in Africa: proceedings of the Fifth Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch, 22-28 November 1992, Kampala, Uganda, pages 297-301, ISTRC-AB; CTA; International Institute of Tropical Agriculture (IITA), 1994. |
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| Development of cassava in Eastern and Southern Africa, Porto, M. C. M. and Asiedu, R., in: Cassava Newsletter, volume 17, number 2, pages 1-4, 1994. |
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| Breeding of cassava for low cyanogenic potential: problems, progress and prospects, Dixon, A., Asiedu, R. and Bokanga, M., in: Acta Horticulturae, volume 375, pages 153-161, 1994. |
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| Genotypic stability and adaptability: analytical methods and implications for cassava breeding for low-input agriculture, Dixon, A., Asiedu, R. and Hahn, S. K., in: Tropical root crops in a developing economy: proceedings of the 9th Symposium of the International Society for Tropical Root Crops, 20-26 October 1991, Accra, Ghana, pages 130-137, ISTRC; Government of Ghana; Internatinal Institute of Tropical Agriculture (IITA), 1994. |
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| Effect of boiling on the texture of cassava clones: a comparison of compressive strength, intercellular adhesion and physio-chemical composition of the tuberous roots, Eggleston, G. and Asiedu, R., in: Tropical Science, volume 34, number 3, pages 259-273, 1994. |
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| Genetic diversity and phylogenetic relationships in the genus Dioscorea using PCR-RAPD, Mignouna, H., Asiedu, R., Thottappilly, G. and Hahn, S. K., in: Invited paper at the symposium of the International Society for Tropical Root Crops (ISTRC), Brazil, November 14-19, 1994, 1994. |
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| Cassava genetic resources programme at the International Institute of Tropical Agriculture, Ng, N. Q., Asiedu, R. and Ng, S. Y. C., in: Report of the First Meeting of the International Network for Cassava Genetic Resources, CIAT, Cali, Colombia, 19-23 August 1992, pages 71-76, International Plant Genetic Resources Institute (IPGRI), 1994. |
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| Cassava improvement in Africa: contribution of the Internaitonal Institute of Tropical Agriculture, Dixon, A., Asiedu, R., Ekanayake, I. J. and Porto, M. C. M., in: Proceedings African Crop Science Conference, pages 466-469, African Crop Science Society, 1994. |
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| An agroecologically-oriented introduction of cassava germplasm from Latin America into Africa, Porto, M. C. M., Asiedu, R., Dixon, A. and Hahn, S. K., in: Tropical root crops in a developing ecnomy: Proceedings of the 9th Symposium of the International Society for Tropical Root Crops, 20-26 october 1991, Accra, Ghana, pages 118-128, ISTRC; Government of Ghana; International Institute of Tropical Agriculture (IITA), 1994. |
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| Towards genetic improvement of yams (Dioscorea spp.) in Africa, Asiedu, R., in: Tropical Root and Tuber Crops Bulletin, volume 8, number 1, pages 8-9, 1994. |
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| Conclusions from the working group on cassava genetic diversity, Asiedu, R., in: International Network for Cassava Genetic Resources, CIAT, Cali, Colombia, 18-23 August, 1992, pages 171-174, International Plant Genetic Resources Institute (IPGRI), 1994. |
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| Interspecific hybridization in the genus Manihot - progress and prospects, Asiedu, R., Hahn, S. K., Bai, K. V. and Dixon, A., in: Tropical root crops in a developing economy: proceedings of the 9th Symposium of the International Society for Tropical Root Crops, 10-16 October 1991, Accra, Ghana, pages 110-113, International Society of Tropical Root Crops, 1994. |
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| Extraction of a phytotoxic substance from Colletotrichum gloeosporioides infected yam leaves, Amusa, N. A., Ikotun, T.* and Asiedu, R., in: International Journal of Tropical Plant Diseases, volume 2, number 2, pages 207-211, 1993. |
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| Cassava research and development in eastern and southern Africa, Porto, M. C. M. and Asiedu, R., in: Cassava Newsletter, volume 17, number 2, pages 1-4, ISSN 0259-3688, 1993. |
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| Progress in cassava and yam improvement in Africa: where do we stand?, Dixon, A., Asiedu, R., Ekanayake, I. J. and Porto, M. C. M., in: Proceeding of International Root Crops Conference, Nov. 6-9, 1993, Trivandrum, India, 1993. |
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| Cytogenetics of Manihot species and interspecific hybrids, Bai, K. V., Asiedu, R. and Dixon, A., in: Proceedings of the first international scientific meeting of the Cassava Biotechnology Network, Cartagena, Colombia, 25-28 August 1992, pages 51-55, Centro Internacional de Agricultura Tropical, 1993. |
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| Root and tuber crop breeders and cropping systems researchers join forces, Dixon, A., Mutsaers, H. J. W. and Asiedu, R., in: Tropical Root and Tuber Crops Bulletin, volume 6, number 2, pages 7, ISSN 1116-3984, 1992. |
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| Spontaneous somatic tetraploids in cassava, Hahn, S. K., Bai, K. V. and Asiedu, R., in: Japanese Journal of Breeding, volume 42, number 2, pages 303-308, 1992. |
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| Assessment of dry-matter content in cassava, Adeyeye, S. O., Dixon, A., Asiedu, R. and Hahn, S. K., in: Promotion of root crop-based industries: an incentive for research and development: proceedings of the 4th Triennial symposium of the International Society for Tropical Root Crops-Africa Branch held in Kinshasa, Zaire, 5-8 December 1989, pages 111-112, International Society for Tropical Root Crops, 1992. |
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| Cassava germplasm enhancement at the International Institute of Tropical Agriculture (IITA), Dixon, A., Asiedu, R. and Hahn, S. K., in: Promotion of root crop-based industries: an incentive for research and development: proceedings of the Fourth Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch held in Kinshasa, Zaire, 5-8 December 1989, pages 83-87, International Society for Tropical Root Crops (ISTRC), 1992. |
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| Are you up to date?, Asiedu, R. and Ugorji, N., in: Tropical Root and Tuber Crops Bulletin, volume 6, number 2, pages 7-8, ISSN 1116-3984, 1992. |
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| Isozyme analysis and its application in plant breeding, Asiedu, R., pages 261-265, CTA; International Institute of Tropical Agriculture (IITA), 1992. |
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| Introgression of genes from wild relatives into cassava, Asiedu, R., Hahn, S. K., Bai, K. V. and Dixon, A., pages 89-91, ISTRC-AB; International Institute of Tropical Agriculture (IITA), 1992. |
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| Status of wide crosses in cassava and yam, Asiedu, R., Bai, K. V., Terauchi, R., Dixon, A. and Hahn, S. K., pages 63-68, CTA; International Institute of Tropical Agriculture (IITA), 1992. |
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| Analysis of the need for biotechnology research on cassava, yam, and plantain, Asiedu, R., Ng, S. Y. C., Vuylsteke, D., Terauchi, R. and Hahn, S. K., pages 27-32, CTA; International Institute of Tropical Agriculture (IITA), 1992. |
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| Hybridization of yams: a mini-review, Asiedu, R., in: Tropical Root and Tuber Crops Bulletin, volume 6, number 2, pages 5-6, ISSN 1116-3984, 1992. |
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| Introgression of genes from wild relatives into cassava, Asiedu, R., Hahn, S. K., Bai, K. V. and Dixon, A., in: Promotion of root crop-based industries: an incentive for research and development: proceedings of the 4th Triennial symposium of the International Society for Tropical Root Crops-Africa Branch held in Kinshasa, Zaire, 5-8 December 1989, pages 89-91, International Society for Tropical Root Crops, 1992. |
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| Biotechnology in reproductive biology, Hahn, S. K., Bai, K. V., Asiedu, R., Dixon, A. and Tavaolleti, S., pages 340-346, Springer-Verlag, 1991. |
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| Host plant resistance of cassava green spider mite (CGM) (Mononychellus tanajoa Bondar) at IITA, Kanno, H., Dixon, A., Asiedu, R. and Hahn, S. K., in: The role of root crops in regional food security and sustainable agriculture. Proceedings, Fourth Eastern and Southern Africa Regional Workshop on Root and Tuber Crops, Mansa, Zambia, 29 Oct to 2 Nov 1990, edited by M.N. Alvarez and R. Asiedu, pages 103-106, International Institute of Tropical Agriculture (IITA), 1991. |
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| Breeding for host plant resistance of cassava green spider mite (CGM) (Mononychellus tanajoa, Bondar) at IITA, Kanno, H., Dixon, A., Asiedu, R. and Hahn, S. K., in: The role of root crops in regional food security and sustainable agriculture: proceedings of the Fourth Eastern and Southern Africa Regional Root Crops Workshop, 29 Oct - 2 Nov. 1990, Mansa, Zambia, pages 99-102, 1991. |
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| Breeding cassava for multiple pest resistance in Africa, Hahn, S. K., Dixon, A. and Asiedu, R., in: Integrated pest management in root and tuber crops: proceedings of a workshop held at the Biological Control Center for Africa, 10-14, Dec. 1990, Cotonou, Republic of Benin, International Institute of Tropical Agriculture (IITA), 1991. |
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| Cassava in Africa: towards a broader genetic base, Hahn, S. K., Asiedu, R., Dixon, A., Porto, M. C. M. and Bai, K. V., in: The role of root crops in regional food security and sustainable agriculture: Proceedings, Fourth Eastern and Southern Africa Regional Workshop on Root and Tuber Crops, Mansa, Zambia, 29 Oct to 2 Nov 1990, edited by M.N. Alvarez and R. Asiedu, pages 50-54, International Institute of Tropical Agriculture (IITA), 1991. |
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| Resistance of cassava to African cassava mosaic virus: what really pertains, Rossel, H. W., Asiedu, R. and Dixon, A., in: Tropical Root and Tuber Crops Bulletin, volume 6, pages 2, 1991. |
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| Cassava in Africa: towards a broader genetic base, Hahn, S. K., Asiedu, R., Dixon, A., Porto, M. C. M. and Bai, K. V., in: The role of root crops in regional food security and sustainable agriculture: proceedings of the Fourth Eastern and Southern Africa Regional Root Crops Workshop, 29 Oct - 2 Nov. 1990, Mansa, Zambia, pages 45-52, 1991. |
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| Tetraploids, triploids and 2n pollen from diploid interspecific crosses with cassava, Hahn, S. K., Bai, K. V. and Asiedu, R., in: Theoretical and Applied Genetics, volume 79, pages 433-439, 1990. |
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| Tetraploids, triploids, and 2n pollen from diploid interspecific crosses with cassava, Hahn, S. K., Bai, K. V. and Asiedu, R., in: Theoretical and Applied Genetics, volume 79, pages 433-439, 1990. |
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| Wide hybridization - potential of alien genetic transfers for triticum aestivum improvement, Mujeeb-Kasi, A. and Asiedu, R., volume 13, pages 111-127, 1990. |
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| Breeding, Hahn, S. K. and Asiedu, R., pages 21-28, International Institute of Tropical Agriculture (IITA), 1990. |
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| Resistance to Heterodera avenae in the rye genome of triticale, Asiedu, R., Fisher, J. M. and Driscoll, C. J., in: Theoretical and Applied Genetics, volume 79, pages 331-336, 1990. |
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