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| Evaluation of elite and local African yam bean cultivars for yield and yield-related traits, Baiyeri, S. O.*, Uguru, M. I.*, Ogbonna, P. E.* and Okechukwu, R., in: Tropical Agriculture, volume 99, number 2, pages 90-105, ISSN 0041-3216, 2022. |
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| Comparative field evaluation of mechanized and manual cassava production operations: the case of cassava farmers in Ogun state of Nigeria, Abass, A., Okechukwu, R., Gworgwor, N.*, Amaza, P.* and Awoyale, W., in: Agricultural Mechanization in Asia, Africa and Latin America, volume 52, number 2, pages 20-27, ISSN 0084 5841, 2021. |
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| Training manual on cassava agribusiness: Agricultural Transformation Agenda Support Program-Phase 1 (ATASP-1), Okechukwu, R., Tarawali, G., Asumugha, G., Dixon, A., Dashiell, K., Udensi, U., Rogers, S., Chianu, P., Oyebanji, O. O. and Izuakor, F., International Institute of Tropical Agriculture (IITA), 2020. |
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| Training manual on cassava postharvest processing and equipment: Agricultural Transformation Agenda Support Program-Phase 1 (ATASP-1), Okechukwu, R., Tarawali, G., Asumugha, G., Dixon, A., Dashiell, K., Udensi, U., Rogers, S., Adewale, K., Oyebanji, O. O. and Izuakor, F., International Institute of Tropical Agriculture (IITA), 2020. |
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| Training manual on product development for cassava for Cassava: Agricultural Transformation Agenda Support Program- Phase 1 (ATASP-1), Okechukwu, R., Tarawali, G., Asumugha, G., Dixon, A., Dashiell, K., Udensi, U., Rogers, S., Omiwale, A., Oyebanji, O. O. and Izuakor, F., International Institute of Tropical Agriculture (IITA), 2020. |
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| Cassava, plantain and moringa grown in an Alfisol and their resilience to bush fire in eastern Nigeria, Asadu, C.*, Unagwu, B. O.*, Dixon, A., Okechukwu, R., Ilona, P. and Asadu, A. N.*, in: International Journal of Trend in Scientific Research and Development, volume 3, number 3, pages 74-78, ISSN 2456-6470, 2019. |
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| Understanding root, tuber, and banana seed systems and coordination breakdown: a multistakeholder framework, Bentley, J. W.*, Andrade-Piedra, J., Demo, P., Dzomeku, B. M.*, Jacobsen, K., Kikulwe, E., Kromann, P., Kumar, P. L., McEwan, M. A., Mudege, N.*, Ogero, K.*, Okechukwu, R., Orrego, R., Ospina, B.*, Sperling, L. and Walsh, S., in: Journal of Crop Improvement, pages 1-23, ISSN 1542-7528, 2018. [DOI] |
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| Profitability of cassava production: comparing the actual and potential returns on investment among smallholders in southern Nigeria, Ojiako, I., Tarawali, G., Okechukwu, R., Chianu, J., Ezedinma, C. and Edet, M., in: Journal of Biology, Agriculture and Healthcare, volume 8, number 16, pages 51-65, ISSN 2224-3208, 2018. |
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| Efficiency and its determinants among smallholder farming units supplying cassava to commercial starch processors in Nigeria: data envelopment analysis approach, Ojiako, I., Tarawali, G., Okechukwu, R., Chianu, J., Ezedinma, C. and Edet, M., in: Journal of Economics and Sustainable Development, volume 9, number 16, pages 120-134, ISSN 2222-1700, 2018. |
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| Determinants of productivity of smallholder farmers supplying cassava to starch processors in Nigeria: a baseline evidence, Ojiako, I., Tarawali, G., Okechukwu, R. and Chianu, J., in: Russian Journal of Agricultural and Socio-Economic Sciences, volume 2, number 62, pages 1-13, ISSN 2226-1184, 2017. [DOI] |
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| Household characteristics and market participation competence of smallholder farmers supplying cassava to starch processors in Nigeria, Ojiako, I., Tarawali, G., Okechukwu, R. and Chianu, J., in: International Journal of Agricultural Research, Innovation and Technology, volume 6, number 2, pages 42-56, ISSN 2224-0616, 2016. |
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| Releasing disease-resistant varieties of cassava in Africa, Okechukwu, R. and Kumar, P. L., pages 168-184, chapter 11, 2016. |
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| Progress and current trends in cassava improvement in Sub-Saharan Africa by IITA and partners, Parkes, E., Rabbi, I. Y., Okechukwu, R., Kanju, E., Ferguson, M., Ntawuruhunga, P., Mahungu, N., Aina, O., Agbona, A ., Iluebbey, P., Ilona, P.+, Dixon, A. and Kulakow, P., Tropentag, 2015. |
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| Evaluation of ground cocoa pod husk and NPK fertilizer application for the productivity of maize-okra intercrop on an alfisol of south-western Nigeria, Alumona, J. O., Okechukwu, R., Ozigbo, E. and Akinrinde, E. A.*, in: Ibadan Journal of Agricultural Research, volume 11, number 1, pages 192-200, 2015. |
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| Econometric analysis of loan repayment competence of smallholder cassava farmers in Yewa area, Ogun State, Nigeria, Ojiako, I. A., Okechukwu, R. and Olaitan, T.*, in: Journal of Food, Agriculture & Environment, volume 13, number 4-5, pages 158-167, ISSN 1459-0255, 2015. |
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| Awareness and adoption of improved cassava varieties and processing technologies in Nigeria, Abdoulaye, T., Abass, A., Maziya-Dixon, B., Tarawali, G., Okechukwu, R., Rusike, J., Alene, A., Manyong, V. and Ayedun, B., in: Journal of Development and Agricultural Economics, volume 6, number 2, pages 67-75, ISSN 2006-9774, 2014. [DOI] |
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| Spatial integration and price transmission in selected rural and urban markets for cassava fresh roots in Nigeria, Ojiako, I. A., Tarawali, G., Ezedinma, C.* and Okechukwu, R., in: Journal of Economics and Sustainable Development, volume 5, number 17, pages 199-209, ISSN 2222-1700, 2014. |
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| Growing cassava: a training manual from production to postharvest, Abass, A., Towo, E.*, Mukuka, I.*, Okechukwu, R., Ranaivoson, R.*, Tarawali, G. and Kanju, E., 2014. |
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| Influence of agronomic and climatic factors on root crop's production: an econometric estimation of cassava supply response in Nigeria, 1961-2008, Ojiako, I. A., Okechukwu, R., Tarawali, G., Idowu, A.* and Akwarandu, B., in: Research on Crops, volume 15, number 4, pages 922-935, ISSN 0972-3226, 2014. [DOI] |
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| Relatedness and genotype x environment interaction affect prediction accuracies in genomic selection: a study in cassava, Ly, D., Hamblin, M., Rabbi, I. Y., Gedil, M., Bakare, M. A., Gauch Jr., H., Okechukwu, R., Dixon, A.*, Kulakow, P. and Jannink, J., in: Crop Science, volume 53, number 4, pages 1312-1325, ISSN 0011-183X, 2013. [DOI] |
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| 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. |
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| An impact assessment of the cassava enterprise development project. (BOOK), Tarawali, G., Abdoulaye, T., Ellis-Jones, J., Asumugha, G.*, Dixon, A.*, Okechukwu, R., Ezedinma, C.+, Sanni, L., Isife, B.*, Ogisi, D. and Ekpere, J.*, International Institute of Tropical Agriculture (IITA). (BOOK), 2013. |
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| Successful innovations and lessons learnt in cassava improvement and deployment by IITA in Eastern African Region, Ntawuruhunga, P., Dixon, A.*, Kanju, E., Ssemakula, G.*, Okechukwu, R., Whyte, J., Obiero, H.*, Bigirimana, S.*, Gashaka, G.*, Lukombo, S.*, Mkamilo, G.*, Ndyetabula, I.*, Tata-Hangy, W.*, Otim Okello, F. and Schofield, J.*, in: African Journal of Root and Tuber Crops, volume 10, number 1, pages 41-54, ISSN 1118-2075, 2013. |
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| Analysis of relationships between production of yam [Dioscorea spp.] and its determinants in Nigeria: a cointegration approach, Ojiako, I. A., Tarawali, G., Akwarandu, B., Okechukwu, R. and Idowu, A.*, in: African Journal of Root and Tuber Crops, volume 10, number 1, pages 1-8, ISSN 1118-2075, 2013. |
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| Development of an automatic fish feeder, Ozigbo, E.*, Anyadike, C.*, Gbadebo, F. and Okechukwu, R., in: African Journal of Root and Tuber Crops, volume 10, number 1, pages 27-32, ISSN 1118-2075, 2013. |
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| Comparison of cassava yield variations from four-year continuous cultivation under sole and mixed cropping systems in an ultisol of Eastern Nigeria, Asadu, C.*, Dixon, A.* and Okechukwu, R., Abstract, P. 144 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. |
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| Comparative evaluation of organomineral fertilizer and NPK 15-15-15 on growyh and yield of cassava varieties in Ibadan, south-western Nigeria, Edet, M., Tijani-Eniola, H.* and Okechukwu, R., in: African Journal of Root and Tuber Crops, volume 10, number 1, pages 9-14, ISSN 1118-2075, 2013. |
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| Residual effects of fertilizer application on growth and yield of two cassava varieties in Ibadan, south-western Nigeria, Edet, M., Tijani-Eniola, H.* and Okechukwu, R., in: African Journal of Root and Tuber Crops, volume 10, number 1, pages 33-40, ISSN 1118-2075, 2013. |
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| Spatial integration and price transmission in selected cassava products' markets in Nigeria: a case of gari, Ojiako, I.*, Ezedinma, C.*, Okechukwu, R. and Asumugha, G.*, in: World Applied Sciences Journal, volume 22, number 9, pages 1373-1383, ISSN 1818-4952, 2013. [DOI] |
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| Farmer perceptions of cassava bacterial blight disease in Oyo State , south-west, Nigeria, Chukwuka, K.*, Okechukwu, R. and Azorji, J.*, in: African Journal of Root and Tuber Crops, volume 10, number 1, pages 67-74, ISSN 1118-2075, 2013. |
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| Production du gari a partir du manioc: guide illustre a l'intention des transformateurs de manioc a petite echelle, James, B., Okechukwu, R., Abass, A., Fannah, S., Maziya-Dixon, B., Sanni, L. O.*, Osei-Sarfoh, A., Fomba, S. N.* and Lukombo, S.*, 2013. |
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| Meeting supply of large volume of improved cassava stems to Nigeria farmers by IITA: challenges, approach and achievements, Okechukwu, R., Tarawali, G. and Fregene, M.*, Abstract, P. 177 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. |
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| 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. |
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| Evaluating the effects of UPoCA prior to implementation: taking stock of where we were, Rusike, J., Lukombo, S., Msemo, J., Osei-Sarfoh, A., Fannah, S., Okechukwu, R., Jumbo, S.* and Chibeba, A. M.*, 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 312-325, ISTRC-AB, Ibadan, Nigeria, 2012. |
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| Inter-project linkages to create cassava enterprises for expanded markets and utilization, Ntawuruhunga, P., James, B., Sanni, L., Sandifolo, V.*, Tarawali, G., Okechukwu, R. and Abass, A., 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 344-353, ISTRC-AB, Ibadan, Nigeria, 2012. |
|
| Training to validation population relatedness affects genomic prediction accuracy: a cassava case study, Ly, D., Hamblin, M., Rabbi, I. Y., Gedil, M., Bakare, M. A., Okechukwu, R., Dixon, A.*, Kulakow, P. and Jannink, J., Abstract, p. 378 in the Book of Abstracts, 16th Triennial Symposium of the International Society for Tropical Root Crops (ISTRC), 23-28th September, 2012. |
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| Improvements in grain and fodder yield of cowpea (Vigna unguiculata) varieties developed in the Sudan savannas of Nigeria over the past four decades, Kamara, A., Ewansiha, S. U., Ajeigbe, H., Okechukwu, R., Tefera, H., Boukar, O. and Omoigui, L.*, in: Innovative research along the cowpea value chain. Proceedings of the Fifth World Cowpea Conference on Improving livelihoods in the cowpea value chain through advancement in science, held in Saly, Senegal, 27 September - 1 October 2010, pages 179-188, International Institute of Tropical Agriculture (IITA), 2012. |
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| Spatial integration and price transmission in selected rural and urban markets for cassava fresh roots in Nigeria, Ojiako, I. A., Ezedinma, C.+, Okechukwu, R. and Asumugha, G.*, Abstract, P. 140 in the Book of Abstracts, 16th Triennial Symposium of the International Society for Tropical Root Crops (ISTRC), 23 - 28th September, 2012. |
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| Preliminary results of screening IITA improved germplasm for resistance to Cassava Brown Streak Disease (CBSD) in Uganda, Ntawuruhunga, P., Kiryowa, M., Okechukwu, R., Otim Okello, F. and Kanju, E., 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 398-405, ISTRC-AB, Ibadan, Nigeria, 2012. |
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| Producing gari from cassava: an illustrated guide for smallholder cassava processors, James, B., Okechukwu, R., Abass, A., Fannah, S., Maziya-Dixon, B., Sanni, L. O.*, Osei-Sarfoh, A., Fomba, S. N.* and Lukombo, S., 2012. |
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| Assessment of multiple disease resistance in select current cassava breeding varieties in Nigeria, Okechukwu, R., Kulakow, P., Rabbi, I. Y. and Dixon, A.*, Abstract, P. 130 in the Book of Abstracts, 16th Triennial Symposium of the International Society for Tropical Root Crops (ISTRC), 23 - 28th September, 2012. |
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| Distribution and potential impact of cassava variety spread by UPoCA, Okechukwu, R., James, B., Ntawuruhunga, P., Mahungu, N., Boahen, S., Kanju, E. and Osei-Sarfoh, A., 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 325-331, ISTRC-AB, Ibadan, Nigeria, 2012. |
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| Design and fabrication of a flash dryer for the production of high quality cassava flour, Kuye, A., Ayo, D. B., Sanni, L. O.*, Raji, A. O.*, Kwaya, E. I., Otuu, O. O., Asiru, W. B.*, Alenkhe, B., Abdulkareem, I. B., Bamkefa, B., Tarawali, G., Dixon, A.* and Okechukwu, R., International Institute of Tropical Agriculture (IITA), ISBN 978-97850368-8-6, 2011. |
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| Adoption of selected improved cassava varieties among smallholder farmers in South-Eastern Nigeria, Udensi, U., Tarawali, G., Favour, E. U.*, Asumugha, G.*, Ezedinma, C.+, Okoye, B.*, Okarter, C., Ilona, P., Okechukwu, R. and Dixon, A.*, in: Journal of Food, Agriculture and Environment, volume 9, number 1, pages 329-335, ISSN 1459-0255, 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. |
|
| Genetic gain in yield and agronomic characteristics of cowpea cultivars developed in the Sudan Savannas of Nigeria over the past three decades, Kamara, A., Tefera, H., Ewansiha, S. U., Ajeigbe, H., Okechukwu, R., Boukar, O. and Omoigui, L.*, in: Crop Science, volume 51, number 5, pages 1877-1886, ISSN 0011-183X, 2011. [DOI] |
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| Assessing the participation of IITA in cassava processing activities in Nigeria, Abdoulaye, T., Abass, A., Maziya-Dixon, B., Tarawali, G., Okechukwu, R., Rusike, J., Alene, A., Manyong, V. and Ayedun, B., in: Outcome and impact assessment at IITA: Issues and evidence. Proceedings of a mini-symposium on outcome and impact assessment at IITA., pages 8-10, International Institute of Tropical Agriculture (IITA), IITA, 2011. |
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| Assessment of farmers' field for root rot disease on improved cassava varieties released in Nigeria, Afolabi, C.*, Okechukwu, O. C.*, Kehinde, I. A.* and Okechukwu, R., in: African Journal of Root and Tuber Crops, volume 9, number 1, pages 50-57, ISSN 1118-2075, 2011. |
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| Distribution of improved varieties of cassava and potential impact on root yield and disease reduction in Nigeria, Okechukwu, R., Kehinde, I. A.*, Afolabi, C., James, B. and Egesi, C. N.*, in: African Journal of Root and Tuber Crops, volume 9, number 1, pages 58-63, ISSN 1118-2075, 2011. |
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| 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. |
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| Ex-Ante evaluation of cassava research for development in Malawi: a farm household and random utility modeling approach: proceedings of the 3rd African Association of Agricultural Economics, Rusike, J., Jumbo, S., Ntawuruhunga, P., Kawonga, J. M.*, James, B., Okechukwu, R. and Manyong, V., 2010. |
|
| Evaluating the effects of UPoCA prior to implementation; taking stock of where we were: proceedings of the 11th Symposium of ISTRC-AB held at Hotel Memling, Kinshasa, Democratic Republic of Congo, 4-8 October, 2010, Kinshasa, DRC, Rusike, J., Lukombo, S.*, Msemo, J., Osei-Sarfoh, A., Fannah, S., Okechukwu, R., Jumbo, S. and Chibeba, A. M.*, 2010. |
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| Drawing lessons from cassava enterprise development project, Tarawali, G., Dixon, A., Chuma, E., Sanni, L., Okechukwu, R., Ilona, P., Okater, C. and Iyangbe, C., Abstract (Poster) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010. |
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| Improvement in grain and fodder yields of cowpea genotypes representing four decades of breeding in the Nigerian Sudan savannas, Kamara, A., Ajeigbe, H., Ewansiha, S. U., Boukar, O., Okechukwu, R., Tefera, H. and Omoigui, L., Abstract (Oral presentaion) in Program and Book of Abstracts of the 5th World Cowpea Research Conference, held at Palm Beach Hotel, Saly, Senegal. 27 September - 1 October, 2010. |
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| Boilable cassava varieties: what is their role within the context of the global agricultural economy?, Ngeve, J., Tenku, S. N., Dixon, A.*, Whyte, J., Okechukwu, R., Hanna, R. and Akoroda, M. O.*, in: African Journal of Root and Tuber Crops, volume 8, number 2, pages 18-22, ISSN 1118-2075, 2010. |
|
| Preliminary results of screening IITA's improved germplasm for resistance to cassava brown streak disease (CBSD) in Uganda, Ntawuruhunga, P., Kiryowa, M., Otim Okello, F., Okechukwu, R. and Kanju, E., 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 361-362, ISTRC-AB, 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. |
|
| Inter-project linkages to create cassava enterprises for expanded markets and utilization, Ntawuruhunga, P., James, B., Okechukwu, R., Sanni, L., Sandifolo, V., Tarawali, G., Abass, A. and Legg, J., Abstract in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010. |
|
| Cassava mosaic disease in Sub-Saharan Africa: a feasible solution for an unsolved problem, Dixon, A., Ogbe, F. and Okechukwu, R., in: Outlook on Agriculture, volume 39, number 2, pages 89-94, ISSN 0030-7270, 2010. |
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| Improved cassava variety handbook, Dixon, A., Okechukwu, R., Akoroda, M., Ilona, P., Ogbe, F., Egesi, C., Kulakow, P., Ssemakula, G., Maziya-Dixon, B., Iluebbey, P., Yomeni, M. O., Geteloma, C., James, B., Eke-Okoro, O. N.*, Sanni, L., Ntawuruhunga, P., Tarawali, G., Mahungu, N., Lemchi, J., Ezedinma, C., Okoro, E., Kanju, E., Adeniji, A. A. and Nwosu, K. I. *, International Institute of Tropical Agriculture (IITA), 2010. |
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| 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. |
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| 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. |
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| Antagonistic microorganisms against postharvest rot pathogens in cassava and yams, Kumar, M., Okechukwu, R., Mwangi, M.* and Bandyopadhyay, R., Abstract (Poster) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010. |
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| Analytical steps to a multi-trait selection index for rapid participatory appraisal of cassava varieties for release to farmers, Okechukwu, R., Akoroda, M. O.*, Ogbe, F. and Dixon, A.*, in: African Journal of Root and Tuber Crops, volume 8, number 1, pages 31-50, ISSN 1118-2075, 2010. |
|
| Distribution and potential impact of cassava variety spread by UPoCA, Okechukwu, R., James, B., Ntawuruhunga, P., Mahungu, N., Boahen, S., Kanju, E., Osei-Sarfoh, A., Fannah, S., Jumbo, S., Sonder, K. and Alabi, T. R., Abstract in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010. |
|
| Seed to plant transmission of Xanthomonas campestris pv. vignicola isolates in cowpea, Okechukwu, R., Ekpo, E.* and Okechukwu, O. C.*, in: African Journal of Agricultural Research, volume 5, number 6, pages 431-435, ISSN 1991-637X, 2010. |
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| Performance of improved cassava genotypes for early bulking, disease resistance, and culinary qualities in an inland valley ecosystem, Okechukwu, R. and Dixon, A.*, in: Agronomy Journal, volume 101, number 5, pages 1258-1265, ISSN 0002-1962, 2009. |
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| Prevalence and severity of bacterial blight and anthracnose diseases of cassava in different agro-ecological zones of Nigeria, Onyeka, T., Owolade, F., Ogunjobi, A.*, Dixon, A., Okechukwu, R., Bandyopadhyay, R. and Bamkefa, B., in: African Journal of Agricultural Research, volume 3, number 4, pages 297-304, ISSN 1991-637X, 2008. |
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| Fast track participatory approach to release of elite cassava genotypes for various uses in Nigeria's cassava economy, Dixon, A., Akoroda, M., Okechukwu, R., Ogbe, F., Ilona, P., Sanni, L., Ezedinma, C., Lemchi, J., Ssemakula, G., Yomeni, M. O., Okoro, E. and Tarawali, G., in: Euphytica, volume 160, number 1, pages 1-13, ISSN 0014-2336, 2008. [DOI] |
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| 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. |
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| Survival of Xanthomonas campestris pv. vignicola in infested soil, cowpea seed and cowpea debris, Okechukwu, R. and Ekpo, E.*, in: Tropical Agricultural Research & Extension, volume 11, pages 1-4, ISSN 1391-3646, 2008. |
|
| Root rot resistance in new cassava varieties introduced to farmers in Nigeria, Okechukwu, R., Dixon, A., Akoroda, M., Mwangi, M. and Bandyopadhyay, R., in: Experimental Agriculture, volume 44, pages 1-10, ISSN 0014-4797, 2008. |
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| Genetic gains from 30 years of cassava breeding in Nigeria for storage root yield and disease resistance in elite cassava genotypes, Okechukwu, R. and Dixon, A., in: Journal of Crop Improvement, volume 22, number 2, pages 181-208, 2008. |
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| Cassava utilization training for bakers, caterers, and processors in the south-south and southeast of Nigeria, Sanni, L., Maziya-Dixon, B., Okoruwa, A., Arowosafe, B., Lemchi, J., Ogbe, F., Ezedinma, C., Okechukwu, R., Akoroda, M., Okoro, E., Ilona, P., Babaleye, T. and Dixon, A., 2007. |
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| Opportunities in the industrial cassava market in Nigeria, Knipscheer, H. C., Ezedinma, C., Kormawa, P., Asumugha, G.*, Makinde, K., Okechukwu, R. and Dixon, A., ISBN 978-131-290-4, 2007. |
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| Recette de manioc Pour la securite Alimentaire du menage, Sanni, L., Maziya-Dixon, B., Onabolu, A., Arowosafe, B., Okoruwa, A., Okechukwu, R., Dixon, A., Waziri, A.*, Ilona, P., Ezedinma, C., Ssemakula, G., Lemchi, J., Akoroda, M., Ogbe, F., Tarawali, G., Okoro, E. and Geteloma, C., International Institute of Tropical Agriculture (IITA), ISBN 978-131-311-0, 2007. |
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| Sustainable commercial cassava cultivation: the case of Nigeria, Akoroda, M., Dixon, A., Ilona, P., Ogbe, F., Okechukwu, R., Ezedinma, C., Sanni, L., Lemchi, J. and Okoro, E., in: Proceedings of 9th ISTRC-AB symposium, Mombasa, Kenya, 1-5 November 2004, pages 193-199, Mombasa, Kenya, 2007. |
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| Managing stem cuttings of cassava for optimum yields, Akoroda, M., Dixon, A., Ilona, P., Ogbe, F. and Okechukwu, R., in: Proceedings of 9th ISTRC-AB symposium, 1 - 5 November 2004, pages 335-341, Mombasa, Kenya, 2007. |
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| Cassava small-scale enterprises in Brazil: lessons for the cassava industry in Nigeria, Patino, M., Dixon, A., Ezedinma, C., Lemchi, J., Okechukwu, R., Sanni, L. and Akoroda, M., in: Proceedings of 9th ISTRC-AB symposium, pages 828-836, Mombasa, Kenya, 2007. |
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| Cassava postharvest needs assessment survey in Nigeria, Sanni, L., Ezedinma, C., Lemchi, J., Ogbe, F., Okechukwu, R., Akoroda, M., Okoro, E., Maziya-Dixon, B., Ilona, P. and Dixon, A., in: Proceedings of 9th ISTRC-AB symposium, pages 746-748, Mombasa, Kenya, 2007. |
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| A guide on livelihood analysis for scientists and extension workers, Tarawali, G., Kureh, I.*, Ezedinma, C., Okechukwu, R., Fontem Lum, A., Dixon, A., Akoroda, M., Ogbe, F., Lemchi, J., Sanni, L., Ilona, P. and Okoro, E., International Institute of Tropical Agriculture (IITA), ISBN 978-131-284-X, 2007. |
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| Community analysis of Ikot Etuk Udo, Akwa Ibom State, Nigeria, Tarawali, G., Adedzwa, D. K., Ezedinma, C., Okechukwu, R., Fontem Lum, A., Dixon, A., Akoroda, M., Ogbe, F., Lemchi, J., Sanni, L., Ilona, P. and Okoro, E., International Institute of Tropical Agriculture (IITA), 2007. |
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| Community analysis of Asa North, Abia State, Nigeria, Tarawali, G., Ayoola, J. B., Ezedinma, C., Okechukwu, R., Fontem Lum, A., Dixon, A., Akoroda, M., Ogbe, F., Lemchi, J., Sanni, L., Ilona, P. and Okoro, E., International Institute of Tropical Agriculture (IITA), ISBN 978-131-285-8, 2007. |
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| The cassava food commodity market and trade network in Nigeria, Ezedinma, C., Ojiako, I. A., Okechukwu, R., Lemchi, J., Umar, A. M.*, Sanni, L., Akoroda, M., Ogbe, F., Okoro, E., Tarawali, G. and Dixon, A., International Institute of Tropical Agriculture (IITA), ISBN 978-131-200-5, 2007. |
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| Community analysis training report: Abia and Akwa Ibom States, Tarawali, G., Ezedinma, C., Okechukwu, R., Lum, A.F. and Dixon, A., ISBN 978 131 280 7, 2007. |
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| Status of cassava production in Nigeria, Ezedinma, C., Lemchi, J., Okechukwu, R., Ogbe, F., Akoroda, M. and Dixon, A., in: Proceedings of 9th ISTRC-AB symposium, pages 183-189, Mombasa, Kenya, 2007. |
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| Socioeconomic studies on selected cassava markets in Nigeria, Ezedinma, C., Sanni, L. and Okechukwu, R., International Institute of Tropical Agriculture (IITA), ISBN 978-131-276-9, 2007. |
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| Marketing of gari in Benin City and Enugu, Nigeria, Ezedinma, C., Sanni, L. and Okechukwu, R., pages 11-30, chapter 2, International Institute of Tropical Agriculture (IITA), 2007. |
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| Cassava postharvest needs assessment survey in Nigeria: synthesis report, Sanni, L., Ezedinma, C., Okechukwu, R., Lemchi, J., Ogbe, F., Akoroda, M., Okoro, E., Maziya-Dixon, B., Ilona, P. and Dixon, A., International Institute of Tropical Agriculture (IITA), ISBN 978-131-274-2, 2007. |
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| Status of cassava production in southeast and south-south Nigeria: a baseline report, Ezedinma, C., Lemchi, J., Okechukwu, R., Ogbe, F., Akoroda, M., Sanni, L., Okoro, E., Ilona, P., Okarter, C. and Dixon, A., International Institute of Tropical Agriculture (IITA), ISBN 978-131-287-4, 2007. |
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| Cassava weeds and management in Nigeria, Ezedinma, C., Udensi, U., Okechukwu, R., Ibana, S., Akoroda, M., Ilona, P., Ogbe, F., Sanni, L., Lemchi, J., Chikoye, D., Okoro, E. and Dixon, A., International Institute of Tropical Agriculture (IITA), ISBN 978 131 288 2, 2007. |
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| Cassava postharvest needs assessment survey in Nigeria, Sanni, L., Ezedinma, C., Okechukwu, R., Lemchi, J., Ogbe, F., Akoroda, M., Okoro, E., Maziya-Dixon, B., Ilona, P. and Dixon, A., International Institute of Tropical Agriculture (IITA), ISBN 978-131-265-3, 2007. |
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| Fast track participatory approach to release of elite cassava genotypes for various uses in Nigeria's cassava economy, Dixon, A., Akoroda, M., Okechukwu, R., Ogbe, F., Ilona, P., Sanni, L., Ezedinma, C., Lemchi, J., Ssemakula, G., Yomeni, M. O., Okoro, E. and Tarawali, G., in: Euphytica, ISSN 1573-5060, 2007. [DOI] |
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| Innovative processing and utilization technologies for cassava in Africa, Sanni, L., Maziya-Dixon, B., Okechukwu, R., Ezedinma, C., Akoroda, M., Lemchi, J., Ogbe, F., Okoro, E., Ilona, P. and Dixon, A., in: Proceedings of 9th ISTRC-AB symposium held at Mombasa, Kenya, 1-5 November 2004, pages 836-841, Mombasa, Kenya, 2007. |
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| Reactions of cowpea to infection by Macrophomina phaseolina isolates from leguminous plants in Nigeria, Amusa, N. A., Okechukwu, R. and Akinfenwa, B., in: African Journal of Agricultural Research, volume 2, number 3, pages 073-075, 2007. |
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| Agrolyser for cassava; lessons learned: research from IITA, NRCRI, UI, Lagos ADA and Imo State ADP, Akoroda, M. and Okechukwu, R., International Institute of Tropical Agriculture (IITA), ISBN 978-131-299-8, 2007. |
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| Cross-border trade in cassava-based products in Dawanau market, Kano, Nigeria, Ezedinma, C. and Okechukwu, R., pages 1-10, chapter 1, International Institute of Tropical Agriculture (IITA), 2007. |
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| Breeding for root quality traits in cassava, Mkumbira, J., Okechukwu, R. and Dixon, A., in: Proceedings of 9th ISTRC-AB symposium, pages 440-442, Mombasa, Kenya, 2007. |
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| Cassava recipes for household food security, Sanni, L., Maziya-Dixon, B., Onabolu, A., Arowosafe, B., Okoruwa, A., Okechukwu, R., Dixon, A., Waziri, A.*, Ilona, P., Ezedinma, C., Ssemakula, G., Lemchi, J., Akoroda, M., Ogbe, F., Tarawali, G., Okoro, E. and Geteloma, C., International Institute of Tropical Agriculture (IITA), ISBN 978 131 293 9, 2006. |
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| Status of cassava begomoviruses and their new natural hosts in Nigeria, Ogbe, F., Dixon, A., Hughes, J., Alabi, O. and Okechukwu, R., in: Plant Disease, volume 90, number 5, pages 548-553, 2006. |
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| Gray leaf spot: morphological characterization of isolates of Cercospora seae Maydis, Ayodele, M., Menkir, A., Oguntade, O. and Okechukwu, R., 2006. |
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| Catalogue of postharvest equipment for cassava processing, Sanni, L., Adelaja, M., Ezedinma, C., Okechukwu, R., Patino, M., Akoroda, M., Maziya-Dixon, B., Lemchi, J., Ilona, P., Okoro, E., Tarawali, G., Awodeyi, T., Bamkefa, B., Naji, N., Ogbe, F., Obi, O. and Ozigi, A., International Institute of Tropical Agriculture (IITA), ISBN 978-131-271-8, 2006. |
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| Stability of fresh yield and total carotene content of selected yellow-fleshed cassava clones in Nigeria, Maziya-Dixon, B., Dixon, A., Ssemakula, G. and Okechukwu, R., in: Annals of Applied Biology, 2006. |
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| Business tips, Dixon, A., Okechukwu, R., Patino, M., Ezedinma, C., Sanni, L., Lemchi, J., Ogbe, F., Akoroda, M., Tarawali, G., Okoro, E., Mkumbira, J., Ssemakula, G., Maziya-Dixon, B. and Geteloma, C., 2006. |
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| Resource mobilization in cassava enterprises: cassava enterprises management series, Patino, M., Okechukwu, R., Ezedinma, C., Sanni, L., Lemchi, J., Ogbe, F., Akoroda, M., Tarawali, G., Okoro, E., Mkumbira, J., Ssemakula, G., Maziya-Dixon, B., Dixon, A. and Geteloma, C., Flyer, 2006. |
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| Record keeping in cassava enterprises: cassava enterprises management series, Patino, M., Okechukwu, R., Ezedinma, C., Sanni, L., Lemchi, J., Ogbe, F., Akoroda, M., Tarawali, G., Okoro, E., Mkumbira, J., Ssemakula, G., Maziya-Dixon, B., Dixon, A. and Geteloma, C., Flyer, 2006. |
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| Organization and time management in cassava enterprises: cassava enterprises management series, Patino, M., Okechukwu, R., Ezedinma, C., Sanni, L., Lemchi, J., Ogbe, F., Akoroda, M., Tarawali, G., Okoro, E., Mkumbira, J., Ssemakula, G., Maziya-Dixon, B., Dixon, A. and Geteloma, C., 2006. |
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| Buying and selling activities in cassava enterprises: cassava enterprises management series, Patino, M., Okechukwu, R., Ezedinma, C., Sanni, L., Lemchi, J., Ogbe, F., Akoroda, M., Tarawali, G., Okoro, E., Mkumbira, J., Ssemakula, G., Maziya-Dixon, B., Dixon, A. and Geteloma, C., 2006. |
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| Marketing of cassava products: cassava enterprises management series, Patino, M., Okechukwu, R., Ezedinma, C., Sanni, L., Lemchi, J., Ogbe, F., Akoroda, M., Tarawali, G., Okoro, E., Mkumbira, J., Ssemakula, G., Maziya-Dixon, B., Dixon, A. and Geteloma, C., 2006. |
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| Credit management in cassava enterprises: cassava enterprises management series, Patino, M., Okechukwu, R., Ezedinma, C., Sanni, L., Lemchi, J., Ogbe, F., Akoroda, M., Tarawali, G., Okoro, E., Mkumbira, J., Ssemakula, G., Maziya-Dixon, B., Dixon, A. and Geteloma, C., 2006. |
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| Costing and pricing in cassava enterprises: cassava enterprises management series, Patino, M., Okechukwu, R., Ezedinma, C., Sanni, L., Lemchi, J., Ogbe, F., Akoroda, M., Tarawali, G., Okoro, E., Mkumbira, J., Ssemakula, G., Maziya-Dixon, B., Dixon, A. and Geteloma, C., 2006. |
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| Standards for cassava products and guidelines for export, Sanni, L., Maziya-Dixon, B., Akanya, J., Okoro, C., Alaya, Y., Egwuonwu, C., Okechukwu, R., Ezedinma, C., Akoroda, M., Lemchi, J., Ogbe, F., Okoro, E., Tarawali, G., Mkumbira, J., Patino, M., Ssemakula, G. and Dixon, A., International Institute of Tropical Agriculture (IITA), ISBN 978-131-248-3, 2005. |
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| The Nigerian cassava industry statistical handbook, Phillips, T., Taylor, D., Sanni, L., Akoroda, M., Ezedinma, C., Okechukwu, R., Dixon, A., Okoro, E. and Tarawali, G., International Institute of Tropical Agriculture (IITA), ISBN 978-131-268-8, 2005. |
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| The status of cassava mosaic disease, cassava begomoviruses, and whitefly vector populations in Nigeria, Ogbe, F., Dixon, A., Hughes, J., Alabi, F. and Okechukwu, R., International Institute of Tropical Agriculture (IITA), 2005. |
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| Distribution and current status of bacterial blight and fungal diseases of cassava in Nigeria: ICP technical report 01, Onyeka, T., Dixon, A., Bandyopadhyay, R., Okechukwu, R. and Bamkefa, B., 2005. |
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| Micro-scale gari enterprise: investment and profitability in cassava enterprises, Patino, M., Ezedinma, C., Okechukwu, R., Sanni, L., Lemchi, J., Ogbe, F., Akoroda, M., Tarawali, G., Okoro, E., Mkumbira, J., Ssemakula, G., Maziya-Dixon, B., Dixon, A. and Geteloma, C., Flyer, 2005. |
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| Ethanol from cassava chips: investment and profitability in cassava enterprises, Patino, M., Ezedinma, C., Okechukwu, R., Sanni, L., Lemchi, J., Ogbe, F., Akoroda, M., Tarawali, G., Okoro, E., Mkumbira, J., Ssemakula, G., Maziya-Dixon, B., Dixon, A. and Geteloma, C., Flyer, 2005. |
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| Marketing of gari in Benin City and Enugu, Nigeria, Ezedinma, C., Okechukwu, R. and Sanni, L., pages 121-141, chapter 7, 2005. |
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| TME/419: new cassava variety series, Dixon, A., Okechukwu, R., Akoroda, M., Ilona, P., Ogbe, F., Mkumbira, J., Ssemakula, G., Sanni, L., Lemchi, J., Okoro, E., Ezedinma, C., Patino, M., Tarawali, G., Maziya-Dixon, B. and Geteloma, C., Flyer, 2005. |
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| TMS 97/2205: new cassava variety series, Dixon, A., Okechukwu, R., Akoroda, M., Ilona, P., Ogbe, F., Mkumbira, J., Ssemakula, G., Sanni, L., Lemchi, J., Okoro, E., Ezedinma, C., Patino, M., Tarawali, G., Maziya-Dixon, B. and Geteloma, C., 2005. |
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| TMS 98/0505: new cassava variety series, Dixon, A., Okechukwu, R., Akoroda, M., Ilona, P., Ogbe, F., Mkumbira, J., Ssemakula, G., Sanni, L., Lemchi, J., Okoro, E., Ezedinma, C., Patino, M., Tarawali, G., Maziya-Dixon, B. and Geteloma, C., 2005. |
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| TMS 98/0510: new cassava variety series, Dixon, A., Okechukwu, R., Akoroda, M., Ilona, P., Ogbe, F., Mkumbira, J., Ssemakula, G., Sanni, L., Lemchi, J., Okoro, E., Ezedinma, C., Patino, M., Tarawali, G., Maziya-Dixon, B. and Geteloma, C., 2005. |
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| TMS 98/0581: new cassava variety series, Dixon, A., Okechukwu, R., Akoroda, M., Ilona, P., Ogbe, F., Mkumbira, J., Ssemakula, G., Sanni, L., Lemchi, J., Okoro, E., Ezedinma, C., Patino, M., Tarawali, G., Maziya-Dixon, B. and Geteloma, C., 2005. |
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| Cassava: the multipurpose crop, Okechukwu, R., Sanni, L., Ezedinma, C., Patino, M., Adetunji, M.* and Dixon, A., 2005. |
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| The cassava challenge in sub-Saharan Africa: increasing productivity, market opportunities, and profitability, Dixon, A., Akoroda, M., Sanni, L., Ezedinma, C., Patino, M. and Okechukwu, R., 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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| Cassava small-scale enterprises in Brazil: lessons for the cassava industry in Nigeria, Patino, M., Dixon, A., Ezedinma, C., Lemchi, J., Okechukwu, R. and Sanni, L., 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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| Cassava postharvest needs assessment survey in Nigeria, Sanni, L., Ezedinma, C., Lemchi, J., Ogbe, F., Okechukwu, R., Akoroda, M., Okoro, E., Maziya-Dixon, B. and Ilona, P., 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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| Distribution of bacterial blight and fungal diseases of cassava in Nigeria, Bamkefa, B., Onyeka, T., Dixon, A., Okechukwu, R. and Bandyopadhyay, R., in: Ninth Triennial Symposium of the International Society for Tropical Root Crops - Africa Branch, 31 October-5 November 2004, Mombasa, Kenya, 2004. |
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| Distribution of bacterial blight and fungal diseases of cassava in Cameroon, Bamkefa, B., Onyeka, T., Dixon, A., Okechukwu, R. and Bandyopadhyay, R., in: Triennial Symposium of the ISTRC - Africa Branch 31 October-5 November 2004, Mombasa, Kenya, 2004. |
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| Estimating the forage yield of 43 cassava mosaic disease (CMD)-resistant genotypes under three agroecologies of Nigeria, Aribisala, O., Akoroda, M., Okechukwu, R. and Ilona, P., 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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| Managing stem cuttings of cassava for optimum yields, Akoroda, M., Ilona, P., Okechukwu, R. and Ogbe, F., 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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| Understanding the traditional cassava commodity market in Nigeria: a preliminary analysis, Ezedinma, C., Lemchi, J., Okechukwu, R., Sanni, L., Akoroda, M., Ogbe, F., Ilona, P. and Okarter, C., 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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| Status of cassava production in southern Nigeria, Ezedinma, C., Lemchi, J., Okechukwu, R., Sanni, L., Ogbe, F. and Akoroda, M., in: Book of Abstracts, Ninth Triennial Symposium of the International Society for Tropical Root Crops - Africa Branch, 31 October-5 November 2004, Mombasa, Kenya, 2004. |
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| Innovative processing and utilization technologies for cassava in Africa, Sanni, L., Okechukwu, R., Ezedinma, C., Akoroda, M., Lemchi, J., Ogbe, F., Okoro, E. and Ilona, P., 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, Mombasa, Kenya, 2004. |
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| Current status of cassava processing technology in semiarid areas of Central and West Africa. Pages 224-229 in The small processor and development of local food industries for market economy, Tshiunza, M., Okechukwu, R., Bokanga, M. and Dixon, A., in: The small processor and development of local food industries for market economy: proceedings of the 8th Symposium of the International Society for Tropical Root Crops-Africa Branch (ISTRC-AB), 12-16 November 2001, IITA, Ibadan, Nigeria, pages 224-229, 2004. |
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| Sustainable commercial cassava cultivation: the case of Nigeria, Akoroda, M., Okechukwu, R., Ezedinma, C., Sanni, L., Lemchi, J. and Okoro, E., in: Book of Abstracts of the 9th Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch, 30 October-5 November 2004, Mombasa, Kenya, 2004. |
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| Monitoring tour of preemptive management of cassava mosaic disease field activities in Nigeria, Akoroda, M., Okechukwu, R., Ilona, P., Okoro, E., Ezedinma, C., Lemchi, J., Sanni, L. and Dixon, A., International Institute of Tropical Agriculture (IITA), ISBN 978-131-228-9, 2004. |
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| Advances in cassava yield improvement at IITA, Mkumbira, J., Okechukwu, R. and Dixon, A., in: Book of Abstracts of the Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch, 31 October-5 November, 2004 at Mombasa, Kenya, 2004. |
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| Breeding for root quality traits in cassava, Mkumbira, J., Okechukwu, R. and Dixon, 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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| Sources of resistance to cowpea bacterial blight disease in Nigeria, Okechukwu, R. and Ekpo, E.*, in: Journal of Phytopathology, volume 152, pages 345-351, 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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| Genetic gain in cassava disease resistance, Okechukwu, R., Mkumbira, J., Dixon, A. and Kamara, 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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| Report on mapping livelihood and nutrition in Nigeria using data from the national rural livelihoods survey and the national food consumption and nutrition survey, Legg, C., Kormawa, P., Maziya-Dixon, B., Okechukwu, R., Ofodile, S. and Alabi, T. R., 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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| Comparative evaluation of the contributions of soil physicochemical properties to variations in the yields of four major staple food crops in eastern Nigeria, Asadu, C.*, Dixon, A. and Okechukwu, R., in: Soils and Tillage Research, volume 65, number 2, pages 141-155, ISSN 0167-1987, 2002. |
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| Relating early growth traits to root productivity for cassava breeding schemes, Akoroda, M., Dixon, A. and Okechukwu, R., in: Root crops in the 21st century: proceeding of the 7th Triennial Symposium of the International Society for Tropical Root Crops (ISTRC) - Africa Branch. Oct 1998, pages 391-394, Government of Benin, 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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| Analyses of on-fam and augmented trials with mixed model ANOVA, Korie, S. and Okechukwu, R., in: proceedings of the SUSAN-IBS scientific workshop,"Biometry and quality of Life", International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria, 23-28 August 1999., pages 74-83, SUSAN-IBS, 2000. |
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