Omoigui, L.    

Firstname:L. 
Surname:Omoigui 
Email:l.omoigui@cgiar.org 
Institute:IITA 
Homepage:http://www.iita.org 
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96 publications (0 read)

3 Keywords relate to this author

Cowpea varieties
Farmer participatory evaluation
PREA




Publications as Author



2025

Seed certification, certified seeds use and yield outcomes in Nigeria: Insights from nationally-representative farm panel data and seed company location data, Takeshima, H., Ragasa, C., Bamiwuye, T., Andam, K. S., Spielman, D., Edeh, H. O., Fasoranti, A., Haile, B., Nwagboso, C., Omoigui, L., Abdoulaye, T., Kumar, P. L. and Assfaw Wossen, T., in: Agricultural Systems, volume 224, number -: 104268, pages 1-18, ISSN 0308-521X, 2025. [DOI]
 

2024

Eliciting Near-future market segments for cowpea in west Africa: poster presentation, Gbegbelegbe, S., Alabi, T. R., Alene, A., Batieno, B. J.*, Boukar, O., Bourema, K.*, Compaore, E.*, Diallo, S.*, Fankou, M.*, Fatokun, C., Gonne, S.*, Ibro, G.*, Iorlamen, T.*, Martey, E.*, Muungani, D., Omoigui, L., Ongom, P. O., Owusu, E. Y.*, Poda, L. S.*, Shuaibu, H.*, Souleymane, A.*, Tengey, T. K.* and Umar, M. L.*, 2024.
 
Combined use of improved maize hybrids and nitrogen application increases grain yield of maize, under natural Striga hermonthica infestation, Solomon, R., Kamara, A., Aliyu, K. T., Ademulegun, T., Mohammed, I. B.*, Tofa, A., Omoigui, L. and Adeleke, M. A., in: Open Agriculture, volume 9, number -: 20220338, pages 1-11, ISSN 2391-9531, 2024. [DOI]
 
The impact of planting dates on the performance of soybean varieties [Glycine max (L.) Merr.] in the Nigerian Savannas, Eseigbe, O. B., Kamara, A., Miko, S.*, Omoigui, L., Solomon, R., Adeleke, M., Tofa, A. and Bebeley, J. F., in: Agronomy, volume 14, number 10: 2198, pages 1-18, ISSN 2073-4395, 2024. [DOI]
 

2023

Simulating potential yield of rainfed soybean in northeast Nigeria, Kamara, A., Bebeley, J. F., Aliyu, K. T., Tofa, A., Omoigui, L., Solomon, R. and Akinseye, F. M., in: European Journal of Agronomy, volume 142, number -: 126683, pages 1-16, ISSN 1161-0301, 2023. [DOI]
 
Screening and genotyping of groundnut (Arachis hypogea L.) inbred lines and landraces in the North Central Nigeria, Olasan, O. J.*, Aguoru, C. U.*, Omoigui, L., Iwala, J.*, Dughduh, P.* and Terseer, S. S.*, in: Trends in Horticulture, volume 6, number 1, pages 103-116, ISSN 2578-1812, 2023. [DOI]
 
Growing rice in Northern Nigeria: a farmers guide; flyer, Kamara, A., Omoigui, L., Aliyu, K. T., Tofa, A., Solomon, R., Kmata, A. H. and Atser, G ., 2023.
 
Growing maize in Northwestern Nigeria: a farmers guide; flyer, Kamara, A., Omoigui, L., Aliyu, K. T., Tofa, A., Solomon, R., Kmata, A. H. and Atser, G ., 2023.
 
Studies on genetic polymorphism of improved cowpea varieties using Simple Sequence Repeats (SSR) marker, Olasan, O. J.*, Omoigui, L., Oluma, H. A.*, Aguoru, C. U.*, Deo, D.*, Ugbaa, M. S.*, Ezugwu, J.*, Ekeruo, G.*, Dughduh, P.*, Iyorkaa, N.*, Simon, M.* and Okoh, T.*, in: Research Journal of Botany, volume 18, number 1, pages 36-42, ISSN 1816-4919, 2023. [DOI]
 
Breeding cowpea for adaptation to intercropping for sustainable intensification in the Guinea Savannas of Nigeria, Omoigui, L., Kamara, A., Shaibu, A. S.*, Aliyu, K. T., Tofa, A., Solomon, R. and Olasan, O. J.*, in: Agronomy, volume 13, number 6: 1451, pages 1-12, ISSN 2073-4395, 2023. [DOI]
 
Sources of genetic resistance to Fusarium wilt (Fusarium oxysporum f. sp tracheiphilum) in cowpea (Vigna unguiculata (L.) Walp.) and comparison of inoculum concentration levels, Omoigui, L., Danmaigona, C. C.*, Kamara, A., Alakonya, A.+, Ademulegun, T. and Zarafi, A. B.*, in: Archives of Phytopathology and Plant Protection, volume 56, number 17, pages 1372-1389, ISSN 0323-5408, 2023. [DOI]
 
Registration of 'UAM14-122-17-7 and UAM14-123-18-3' cowpea cultivars with high-yield, resistance to Striga, and large seed size with brown colour, Omoigui, L., Kamara, A., Shaibu, A. S.*, Iyorkaa, N.*, Ugbaa, M. S.*, Olufajo, O.*, Iolarmen, T.* and Timko, M. P., in: Genetic Resources and Crop Evolution, pages 1-15, ISSN 0925-9864, 2023. [DOI]
 
Farmer's guide to growing cowpea: flyer, Omoigui, L., Kamara, A., Aliyu, K. T. and Solomon, R., 2023.
 
Farmer's guide to growing soybeans: flyer, Omoigui, L., Kamara, A., Aliyu, K. T. and Solomon, R., 2023.
 
Strengthening cowpea seed systems to increase the productivity of smallholder farmers in west Africa, Omoigui, L., Kamara, A., Teryima, I.*, Muhammed, I.* and Ojiewo, C. O ., Dryland Legumes and Cereals, 2023.
 

2022

Assessment of the genetic structure and diversity of soybean (Glycine max L.) germplasm using diversity array technology and single nucleotide polymorphism markers, Shaibu, A. S.*, Ibrahim, H.*, Miko, Z. L.*, Mohammed, I. B.*, Mohammed, S. G.*, Yusuf, H. L*, Kamara, A., Omoigui, L. and Karikari, B.*, in: Plants, volume 11, number 1: 68, pages 1-13, ISSN 2223-7747, 2022. [DOI]
 
Growing maize in Kano state, northwestern Nigeria, Kamara, A., Omoigui, L., Aliyu, K. T., Tofa, A., Miko, S.*, Solomon, R., Kmata, A. H. and Raba, A.*, Booklet, 2022.
 
Growing rice in Kano State, northwestern, Nigeria, Kamara, A., Omoigui, L., Aliyu, K. T., Tofa, A., Miko, S.*, Solomon, R., Kmata, A. H. and Raba, A.*, Booklet, 2022.
 
Growing soybean in Kano state, northwestern Nigeria, Omoigui, L., Kamara, A., Aliyu, K. T., Solomon, R., Tofa, A. and Raba, A.*, Booklet, 2022.
 
Growing cowpea in Kano state, northwestern Nigeria, Omoigui, L., Kamara, A., Aliyu, K. T., Solomon, R., Tofa, A. and Raba, A.*, Booklet, 2022.
 

2021

Studies on the background of cowpea seeds from trained community based and licensed seed producers in three states of Nigeria, Iyorkaa, N.*, Kamara, A., Omoigui, L., Odo, P. E.*, Teryima, I.* and Ekeuro, G. C.*, in: International Journal of Plant Science and Ecology, volume 7, number 3, pages 61-68, ISSN 2381-6996, 2021.
 
Effects of inter-row spacing on growth, seed yield and yield components of Soybean (Glycine max) in Makurdi, Benue State-Nigeria, Iyorkaa, N.*, Omoigui, L., Ugbaa, M. S.*, Ekeuro, G. C.* and Odo, P. E.*, in: International Journal of Agricultural Sciences and Veterinary Medicine, volume 9, number 2, pages 18-24, ISSN 2320-3730, 2021.
 
Physical purity of cowpea seeds from trained community based and licensed seed producers in three states of Nigeria, Iyorkaa, N.*, Omoigui, L., Odo, P. E.*, Kamara, A., Ugbaa, M. S.* and Ekeuro, G. C.*, in: Bioscience and Bioengineering, volume 6, number 2, pages 10-19, ISSN 2381-7690, 2021.
 

2020

Genetic characterization of cassava (Manihot esculenta Crantz) genotypes using agro-morphological and single nucleotide polymorphism markers, Karim, K. Y.*, Ifie, B. E.*, Dzidzienyo, D.*, Danquah, E.*, Blay, E.*, Whyte, J., Kulakow, P., Rabbi, I. Y., Parkes, E., Omoigui, L., Norman, P. E.* and Iluebbey, P., in: Physiology and Molecular Biology of Plants, volume 26, number 2, pages 317-330, ISSN 0971-5894, 2020. [DOI]
 
Mitigating Striga hermonthica parasitism and damage in maize using soybean rotation, nitrogen application, and Striga-resistant varieties in the Nigerian savannas, Kamara, A., Menkir, A., Chikoye, D., Tofa, A., Fagge, A.*, Dahiru, R.*, Solomon, R., Ademulegun, T., Omoigui, L., Aliyu, K. T. and Kamai, N., in: Experimental Agriculture, volume 56, number 4, pages 620-632, ISSN 0014-4797, 2020. [DOI]
 
Maize hybrids response to high plant density in the Guinea savannah of Nigeria, Kamara, A., Menkir, A., Abubakar, A. W., Tofa, A., Ademulegun, T., Omoigui, L. and Kamai, N., in: Journal of Crop Improvement, pages 1-20, ISSN 1542-7528, 2020. [DOI]
 
Seed dressing maize with imazapyr to control Striga hermonthica in farmers' fields in the savannas of Nigeria, Kamara, A., Menkir, A., Chikoye, D., Solomon, R., Tofa, A. and Omoigui, L., in: Agriculture, volume 10, number -: 83, pages 1-9, ISSN 2077-0472, 2020. [DOI]
 
Market participation, household food security, and income: the case of cowpea producers in northern Nigeria, Manda, J., Alene, A., Hirpa Tufa, A., Feleke, S., Abdoulaye, T., Omoigui, L. and Manyong, V., in: Food and Energy Security, number -: e211, pages 1-17, ISSN 2048-3694, 2020. [DOI]
 
Guide to maize production in northern Nigeria, Kamara, A., Kamai, N., Omoigui, L., Togola, A., Ekeleme, F. and Onyibe, J. E., Revised edition, 2020.
 
Sowing legume seeds, reaping cash: a renaissance within communities in sub-Saharan Africa, Akpo, E., Ojiewo, C. O., Omoigui, L., Rubyogo, J. C. and Varshney, R. K., Springer International Publishing, ISBN 978-981-15-0844-8, 2020. [DOI]
 
A brief overview of smallholder farmers' access to seed of improved legume varieties, Akpo, E., Ojiewo, C. O., Omoigui, L., Rubyogo, J. C. and Varshney, R. K., pages 1-2, chapter 1, Springer International Publishing, ISBN 978-981-15-0844-8, 2020. [DOI]
 
Impact stories and testimonies from diverse actors in groundnut value chain in Tanzania, Akpo, E., Ojiewo, C. O., Omoigui, L., Rubyogo, J. C. and Varshney, R. K., pages 3-32, chapter 2, Springer, ISBN 978-981-15-0844-8, 2020. [DOI]
 
Common bean value chain actors share their feeling about TL projects in Tanzania, Akpo, E., Ojiewo, C. O., Omoigui, L., Rubyogo, J. C. and Varshney, R. K., pages 33-56, chapter 3, Springer International Publishing, ISBN 978-981-15-0844-8, 2020. [DOI]
 
Enthusiasm of actors within the groundnut value chain sharing impact stories in Uganda, Akpo, E., Ojiewo, C. O., Omoigui, L., Rubyogo, J. C. and Varshney, R. K., pages 57-64, chapter 4, Springer International Publishing, ISBN 978-981-15-0844-8, 2020. [DOI]
 
Empowered communities tell their own stories from common bean production in Uganda, Akpo, E., Ojiewo, C. O., Omoigui, L., Rubyogo, J. C. and Varshney, R. K., pages 65-75, chapter 5, Springer International Publishing, ISBN 978-981-15-0844-8, 2020. [DOI]
 
Breakthroughs in groundnut production communities in Nigeria, Akpo, E., Ojiewo, C. O., Omoigui, L., Rubyogo, J. C. and Varshney, R. K., pages 77-83, chapter 6, Springer International Publishing, ISBN 978-981-15-0844-8, 2020. [DOI]
 
Women at the center of cowpea value chain development in Nigeria, Akpo, E., Ojiewo, C. O., Omoigui, L., Rubyogo, J. C. and Varshney, R. K., pages 85-90, chapter 7, Springer International Publishing, ISBN 978-981-15-0844-8, 2020. [DOI]
 
Better-off women boosting groundnut business in Ghana, Akpo, E., Ojiewo, C. O., Omoigui, L., Rubyogo, J. C. and Varshney, R. K., pages 91-104, chapter 8, Springer International Publishing, ISBN 978-981-15-0844-8, 2020. [DOI]
 
Concluding remarks: the tropical legumes projects empowered communities in a wide variety of assets, Akpo, E., Ojiewo, C. O., Omoigui, L., Rubyogo, J. C. and Varshney, R. K., pages 105-106, chapter 9, Springer International Publishing, ISBN 978-981-15-0844-8, 2020. [DOI]
 
Guide to rice production in northern Nigeria, Kamai, N., Omoigui, L., Kamara, A. and Ekeleme, F., Revised edition, 2020.
 
Grain legume seed systems for smallholder farmers: perspectives on successful innovations, Ojiewo, C. O., Omoigui, L., Pasupuleti, J. and Lenne, J. M., in: Outlook on Agriculture, volume 49, number 4, pages 1-7, ISSN 0030-7270, 2020. [DOI]
 
Guide to cowpea production in northern Nigeria, Omoigui, L., Kamara, A., Kamai, N., Ekeleme, F. and Aliyu, K. T., International Institute of Tropical Agriculture, ISBN 978-978-131-368-4, 2020.
 
Guide to soybean production in northern Nigeria, Omoigui, L., Kamara, A., Kamai, N., Dugje, I.*, Ekeleme, F., Kumar, P. L., Ademulegun, T. and Solomon, R., Revised edition, 2020.
 

2019

Market-led options to scale up legume seeds in developing countries: experiences from the Tropical Legumes Project, Rubyogo, J. C., Akpo, E., Omoigui, L., Pooran, G., Chaturvedi, S.*, Fikre, A., Haile, D., Ajeigbe, H. A.+, Monyo, E., Nkalubo, S.*, Fenta, B.*, Binagwa, P.*, Kilango, M.*, Williams, M.*, Mponda, O.*, Okello, D.*, Chichaybelu, M.*, Miningou, A.*, Bationo, J.*, Sako, D.*, Kouyate, Z.*, Diallo, S.*, Oteng-Frimpong, R.*, Yirzagla, J.*, Iorlamen, T .*, Garba, U.*, Mohammed, H.*, Ojiewo, C. O., Kamara, A., Varshney, R. K., Nigam, S., Janila, P., Nadaf, H. L.* and Kalemera, S., in: Plant Breeding, pages 1-13, ISSN 0179-9541, 2019. [DOI]
 
Inheritance of resistance to Cercospora leaf spot disease of cowpea [Vigna unguiculata (L.) Walp], Omoigui, L., Arrey, M. O.*, Kamara, A., Danmaigona, C. C.*, Ekeruo, G.* and Timko, M. P., in: Euphytica, volume 215, number -:101, pages 1-12, ISSN 0014-2336, 2019. [DOI]
 

2018

Genomics, genetics and breeding of tropical legumes for better livelihoods of smallholder farmers, Ojiewo, C. O., Monyo, E., Desmae, H., Boukar, O., Mukankusi-Mugisha, C., Thudi, M., Pandey, M. K., Saxena, R. K., Gaur, P. M., Chaturvedi, S.*, Fikre, A., Rao, N. P. V., SameerKumar, C. V., Okori, P., Janila, P., Rubyogo, J. C., Chigeza, G., Akpo, E., Omoigui, L., Nkalubo, S.*, Fenta, B.*, Binagwa, P.*, Kilango, M.*, Williams, M., Mponda, O.*, Okello, D.*, Chichaybelu, M.*, Miningou, A.*, Bationo, J.*, Sako, D.*, Diallo, S.*, Echekwu, C.*, Umar, M. L.*, Frimpong, R. O.*, Mohammed, H.* and Varshney, R. K., in: Plant Breeding, pages 1-13, ISSN 0179-9541, 2018. [DOI]
 
Guide to cowpea production in west Africa, Omoigui, L., Kamara, A., Batieno, B. J.*, Iorlamen, T .*, Kouyate, Z.*, Yirzagla, J.*, Diallo, S.* and Garba, U.*, Tropical Legume III (TLIII), International Institute of Tropical Agriculture, ISBN 978-978-131-357-8, 2018.
 
Guide sur la production du niebe en Afrique de l'Ouest, Omoigui, L., Kamara, A., Batieno, B. J.*, Iorlamen, T .*, Kouyate, Z.*, Yirzagla, J.*, Garba, U.* and Diallo, S.*, Legumineuse Tropicale III (TLIII), International Institute of Tropical Agriculture, ISBN 978-978-131-358-5, 2018.
 
Genetic analysis of Fusarium wilt resistance in cowpea (Vigna unguiculata Walp.), Omoigui, L., Danmaigona, C. C.*, Kamara, A., Ekefan, E. J.* and Timko, M. P., in: Plant Breeding, pages 1-9, ISSN 0179-9541, 2018. [DOI]
 

2017

Maize-soybean intercropping for sustainable intensification of cereal-legume cropping systems in northern Nigeria, Kamara, A., Tofa, A., Ademulegun, T., Solomon, R., Shehu, H.*, Kamai, N. and Omoigui, L., in: Experimental Agriculture, pages 1-15, ISSN 0014-4797, 2017. [DOI]
 
Agronomic evaluation of cowpea cultivars developed for the west African Savannas, Kamara, A., Ewansiha, S. U.*, Ajeigbe, H. A.+, Omoigui, L., Tofa, A. and Karim, K. Y.*, in: Legume Research, volume 40, number 4, pages 669-676, ISSN 0250-5371, 2017. [DOI]
 
New sources of aphids [Aphis craccivora (Koch)] resistance in cowpea germplasm using phenotypic and molecular marker approaches, Omoigui, L., Ekeuro, G. C.*, Kamara, A., Bello, L.*, Timko, M. P. and Ogunwolu, G. O.*, in: Euphytica, volume 213, number 8, pages 1-15, ISSN 0014-2336, 2017. [DOI]
 
Performance of cowpea varieties under Striga gesnerioides (Willd.) Vatke infestation using biplot analysis, Omoigui, L., Kamara, A., Ajeigbe, H. A.+, Akinwale, R.*, Timko, M. P. and Oyekunle, M.*, in: Euphytica, volume 213, number 244, pages 1-16, ISSN 0014-2336, 2017. [DOI]
 
Breeding cowpea for resistance to Striga gesnerioides in the Nigerian dry savannas using marker-assisted selection, Omoigui, L., Kamara, A., Moukoumbi, Y. D., Ogunkanmi, L. A.* and Timko, M. P., in: Plant Breeding, volume 136, number 3, pages 393-399, ISSN 0179-9541, 2017. [DOI]
 

2011

Response of exotic sorghum (Sorghum bicolor [L.] Moench) cultivars to planting date under natural infestation of Striga hermonthica (Del) Benth. in the Sudan savanna zone of northeast Nigeria, Kamara, A., Ekeleme, F.*, Omoigui, L., Menkir, A., Chikoye, D. and Dugje, I.*, in: Archives of Agronomy and Soil Science, volume 57, number 6, pages 679-692, ISSN 0365-0340, 2011. [DOI]
 
Effect of sowing date on Striga infestation and yield of sorghum (Sorghum bicolor [L.] Moench) cultivars in the Sudan savanna of northeast Nigeria, Ekeleme, F.*, Kamara, A., Omoigui, L., Chikoye, D., Dugje, I.* and Tegbaru, A., in: African Journal of Agricultural Research, volume 6, number 14, pages 3240-3246, ISSN 1991-637X, 2011.
 

2010

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.
 
Field evaluation of sorghum varieties to Striga hermonthica infestation in north eastern Nigerian savannas, Dugje, I.*, Ekeleme, F.*, Kamara, A., Menkir, A., Chikoye, D. and Omoigui, L., in: Nigerian Journal of Weed Science, volume 23, pages 1-11, ISSN 0794-4950, 2010.
 
A participatory evaluation of improved cowpea cultivars in the Guinea and Sudan savanna zones of north east Nigeria, Kamara, A., Ellis-Jones, J., Ekeleme, F.*, Omoigui, L., Amaza, P., Chikoye, D. and Dugje, I.*, in: Archives of Agronomy and Soil Science, volume 56, number 3, pages 355-370, ISSN 0365-0340, 2010. [DOI]
 
Participatory evaluation of improved cowpea cultivars in the Guinea and Sudan savanna zones of north east Nigeria, Kamara, A., Ellis-Jones, J., Ekeleme, F.*, Omoigui, L., Amaza, P., Chikoye, D. and Dugje, I.*, in: Archives of Agronomy and Soil Science, volume 56, number 3, pages 355-370, ISSN 1476-3567, 2010.
 
Response of upland rice cultivars to nitrogen fertilizer in the savannas of Nigeria, Kamara, A., Ekeleme, F., Omoigui, L., Oikeh, S.*, Chikoye, D. and Tegbaru, A., in: Agronomy Journal, volume 102, number 1, pages 333-339, ISSN 0002-1962, 2010.
 
Integrating planting date with insecticide spraying regimes to manage insect pests of cowpea in north-eastern Nigeria, Kamara, A., Ekeleme, F., Omoigui, L., Abdoulaye, T., Amaza, P., Chikoye, D. and Dugje, I.*, in: International Journal of Pest Management, volume 56, number 3, pages 243-253, ISSN 0967-0874, 2010.
 
Improving the productivity of cowpea in the savannas of northeast Nigeria through participatory evaluation and dissemination of improved varieties, Kamara, A., Omoigui, L. and Ewansiha, S. U., 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.
 

2009

Response of upland rice cultivars to weed competition in the savannas of West Africa, Ekeleme, F., Kamara, A., Oikeh, S., Omoigui, L., Amaza, P., Abdoulaye, T. and Chikoye, D., in: Crop Protection, volume 28, number 1, pages 90-96, ISSN 0261-2194, 2009. [DOI]
 
Relation of yields of soybean and maize to sulphur, zinc and copper status of soils under intensifying cropping systems in the tropical savannas of north-east Nigeria, Kwari, J.*, Kamara, A., Ekeleme, F. and Omoigui, L., in: Journal of Food, Agriculture and Environment, volume 7, number 1, pages 129-133, ISSN 1459-0255, 2009.
 
Planting date and cultivar effects on grain yield in dryland corn production, Kamara, A., Ekeleme, F., Chikoye, D. and Omoigui, L., in: Agronomy Journal, volume 101, number 1, pages 91-98, ISSN 0002-1962, 2009.
 
Influence of nitrogen fertilization on the performance of early and late maturing maize varieties under natural infestation with Striga hermonthica (Del.) Benth, Kamara, A., Ekeleme, F., Omoigui, L., Menkir, A., Chikoye, D., Dugje, I.*, Abdoulaye, T. and Amaza, P., in: Archives of Agronomy and Soil Science, volume 55, number 2, pages 125-145, ISSN 0365-0340, 2009.
 
Farmers' guide to soybean production in northern Nigeria, Dugje, I.*, Omoigui, L., Ekeleme, F., Bandyopadhyay, R., Kumar, P. L. and Kamara, A., International Institute of Tropical Agriculture (IITA), ISBN 978-131-333-1, 2009.
 
Production du niebe en Afrique de l'Ouest: guide du paysan, Dugje, I.*, Omoigui, L., Ekeleme, F., Kamara, A. and Ajeigbe, H., International Institute of Tropical Agriculture (IITA), 2009.
 
Farmer's guide to cowpea production in west Africa, Dugje, I.*, Omoigui, L., Ekeleme, F., Kamara, A. and Ajeigbe, H., International Institute of Tropical Agriculture (IITA), ISBN 978-131-332-3, 2009.
 

2008

Guide to certified seeds production in Borno State, Nigeria, Dugje, I.*, Onyibe, J. E.*, Ekeleme, F., Kamara, A., Tegbaru, A., Omoigui, L. and Bassi, S. A., 2008.
 
Effect of phosphorus application and soybean cultivar on grain and dry matter yield of subsequent maize in the tropical savannas of north-eastern Nigeria, Kamara, A., Kwari, J.*, Ekeleme, F., Omoigui, L. and Abaidoo, R., in: African Journal of Biotechnology, volume 7, number 15, pages 2593-2599, ISSN 1684-5315, 2008.
 
A participatory approach to increasing productivity of maize through Striga hermonthica control in Northeast Nigeria, Kamara, A., Ellis-Jones, J., Amaza, P., Omoigui, L., Helsen, J., Dugje, I.*, Kamai, N.*, Menkir, A. and White, R., in: Experimental Agriculture, volume 44, number 3, pages 349-364, ISSN 0014-4797, 2008. [DOI]
 
Guide to safe and effective use of pesticides for crop production in Borno State, Nigeria, Dugje, I.*, Ekeleme, F., Kamara, A., Omoigui, L., Tegbaru, A., Teli, I. A.* and Onyibe, J. E.*, As a guide, 2008.
 
Field performance of improved cowpea varieties under conditions of natural infestation by the parasitic weed Striga gesnerioides, Kamara, A., Chikoye, D., Ekeleme, F., Omoigui, L. and Dugje, I.*, in: International Journal of Pest Management, volume 54, number 3, pages 189-195, ISSN 0967-0874, 2008.
 
Influence of farmers' crop managemnt practices on Striga hermonthica infestation and grain yield of maize (Zea mays L.) in the savanna zones of northeast Nigeria, Dugje, I.*, Kamara, A. and Omoigui, L., in: Journal of Agronomy, volume 7, number 1, pages 33-40, 2008.
 
Guide to Rice Production in Borno State, Nigeria, Ekeleme, F., Kamara, A., Omoigui, L., Tegbaru, A., Mshelia, J. and Onyibe, J. E.*, 2008.
 

2007

Effect of weed competition on upland rice production in north-eastern Nigeria, Ekeleme, F., Kamara, A., Oikeh, S., Chikoye, D. and Omoigui, L., in: African Crop Science Conference Proceedings, pages 61-65, African Crop Science Society, 2007.
 
Influence of phosphorus application on growth and yield of soybean genotypes in the tropical savannas of northeast Nigeria, Kamara, A., Abaidoo, R., Kwari, J.* and Omoigui, L., in: Archives of Agronomy and Soil Science, volume 53, number 5, pages 539-552, 2007.
 
Cultivar and nitrogen fertilization effects on Striga infestation and grain yield of early maturing tropical maize, Kamara, A., Menkir, A., Chikoye, D., Omoigui, L. and Ekeleme, F., in: Maydica, volume 52, pages 415-423, 2007.
 
Influence of insecticide spraying regimes and cultivar on insect pests and yield of cowpea in the dry savannas of north-eastern Nigeria, Kamara, A., Chikoye, D., Omoigui, L. and Dugje, I.*, in: Journal of Food, Agriculture and Environment, volume 5, number 1, pages 154-158, 2007.
 
Cultivar and insecticide spraying regimes effects on insect pests and grain yield of cowpea in the dry savannas of north-eastern Nigeria, Kamara, A., Chikoye, D., Omoigui, L. and Dugje, I.*, in: African Crop Science Conference Proceedings, pages 179-184, African Crop Science Society, 2007.
 
Assessment of farmers' crop management practices influencing Striga hermonthica infestation and grain yield of sorghum (Sorghum bicolor), Dugje, I.*, Kamara, A. and Omoigui, L., in: Nigerian Journal of Weed Science, volume 20, pages 25-35, 2007.
 
Potential of drought-tolerant maize varieties in nitrogen-deficient soils of the Guinea savannas, Kamara, A., Menkir, A., Omoigui, L. and Kureh, I.*, in: In demand-driven technologies for sustainable maize production in West and Central Africa, proceedings of the fifth biennial regional maize workshop, pages 180-193, International Institute of Tropical Agriculture (IITA); WECAMAN, Ibadan, Nigeria; Cotonou, Benin, 2007.
 
Assessment of striga infestation in crop fields in the savanna zones of northeast Nigeria, Dugje, I.*, Kamara, A. and Omoigui, L., in: In demand-driven technologies for sustainable maize production in West and Central Africa, proceedings of the fifth biennial regional maize workshop, pages 271-281, International Institute of Tropical Agriculture (IITA); WECAMAN, Ibadan, Nigeria: Cotonou, Benin, 2007.
 
Response of low-N pool maize population to nitrogen uptake and use efficiency after three cycles of full-sib recurrent selection, Omoigui, L., Alabi, S.* and Kamara, A., in: Journal of Agricultural Science, volume 145, pages 481-490, 2007. [DOI]
 
Evaluation of cowpea genotypes for their reactions to Striga gesnerioides in the dry savanna of northeast Nigeria, Omoigui, L., Kamara, A., Massawe, F., Ishiyaku, M.*, Boukar, O., Alabi, S.* and Ekeleme, F., in: African Crop Science Conference Proceedings, pages 273-278, African Crop Science Society, 2007.
 

2006

Performance of old and new maize hybrids at high plant densities in the tropical Guinea Savanna, Kamara, A., Menkir, A., Kureh, I.*, Omoigui, L. and Ekeleme, F., in: Communications in Biometry and Crop Science, volume 1, number 1, pages 41-48, 2006.
 
Response to low soil nitrogen stress of S1 maize breeding lines selected for high vertical root-pulling resistance, Kamara, A., Menkir, A., Kureh, I.* and Omoigui, L., in: Maydica, volume 51, number 3-4, pages 425-433, ISSN 0025-6153, 2006.
 
Guide to cowpea production in Borno State, Nigeria, Onyibe, J. E.*, Kamara, A. and Omoigui, L., 2006.
 
Guide to maize production in Borno State, Nigeria: promoting sustainable agriculture in Borno State (PROSAB), Onyibe, J. E.*, Kamara, A. and Omoigui, L., 2006.
 
Guide to soybean production in Borno State, Nigeria, Onyibe, J. E.*, Kamara, A. and Omoigui, L., 2006.
 
Deterioration in soil fertility as a consequence of cropping intensification in the savannas of northeastern Nigeria, Kamara, A., Kwari, J.* and Omoigui, L., in: Sustainability-its impact on soil management and environment. Proceedings of 17th Triennial conference, International Soil Tillage Organization. 28th August-3rd September, Christian-Albrecht’s Universitaet, Kiel, Germany, pages 584-592, 2006.
 
Infestation of crop fields by Striga species in the savanna zones of northeast Nigeria, Dugje, I.*, Kamara, A. and Omoigui, L., in: Agriculture, Ecosystems and Environment, volume 116, number 3-4, pages 251-254, ISSN 0167-8809, 2006.
 
Genetic variability and heritability studies of some reproductive traits in cowpea (Vigna unguiculata (L.) Walp.), Omoigui, L., Ishiyaku, M.*, Kamara, A., Alabi, S.* and Mohammed, S.*, in: African Journal of Biotechnology, volume 13, number 5, pages 1191-1195, ISSN 1684-5315, 2006.
 
Genetic gains from cycles of full-sib recurrent selection for low nitrogen tolerance in a tropical maize population, Omoigui, L., Alabi, S.*, Ado, S., Ajala, S. and Kamara, A., in: Maydica, volume 51, number 3/4, pages 497-505, 2006.