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Ajeigbe, Hakeem A.Abdoulaye, TahirouChikoye, D.[Legume and cereal seed production for improved crop yields in Nigeria: proceedings of the training workshop on production of legume and cereal seeds held on 24 January10 February, 2008 at IITAKano Station, Kano, Nigeria]Legume and cereal seed production for improved crop yields in Nigeria: proceedings of the training workshop on production of legume and cereal seeds held on 24 January10 February, 2008 at IITAKano Station, Kano, Nigeria

A trial was conducted in minjibir in the sudan savanna zone of Nigeria to evaluate the performance of common grain leguminous crops in the area. Significant differences are found among and within the grain legumes for days to flowering, maturity and ripening. Cowpea had significantly fewer days t...


Ajeigbe, Hakeem A.Kamara, A.Chikoye, D.[Comparative performance of common grain legumes in the Sudan savanna zone of Nigeria]Comparative performance of common grain legumes in the Sudan savanna zone of Nigeria

A field study was conducted to determine the rate of genetic improvement in grain and fodder yields and associated agronomic and physiological changes of determinate and semideterminate cowpea [Vigna unguiculata (L.) Walp.] genotypes developed in the Nigerian Sudan savannas in 1974 to 2004. Resul...


Kamara, A.Y.Tefera, H.Ewansiha, S.U.Ajeigbe, Hakeem A.Okechukwu, R.U.Boukar, O.Omoigui, L.O.[Genetic gain in yield and agronomic characteristics of cowpea cultivars developed in the Sudan savannas of Nigeria over the past three decades]Genetic gain in yield and agronomic characteristics of cowpea cultivars developed in the Sudan savannas of Nigeria over the past three decades
Singh, B.Tabo, R.Gupta, S.Ajeigbe, Hakeem A.[Increasing productivity of sorghumcowpea and milletcowpea intercrops through improved varieties]Increasing productivity of sorghumcowpea and milletcowpea intercrops through improved varieties

Striga gesnerioides (Willd) Vatke, is a major destructive parasitic weed of cowpea (Vigna unguiculata (L.) Walp.) which causes substantial yield reduction in West and Central Africa. The presence of different virulent races within the parasite population contributes to significant genotype × envi...


Omoigui, L.O.Kamara, A.Y.Ajeigbe, Hakeem A.Akinwale, R.O.Timko, M.P.Oyekunle, M.Bello, L.L.[Performance of cowpea varieties under Striga gesnerioides (Willd.) Vatke infestation using biplot analysis]Performance of cowpea varieties under Striga gesnerioides (Willd.) Vatke infestation using biplot analysis

A cropping system trial involving 2 spray treatments, 2 cowpea varieties, and 9 cowpea–cereals cropping patterns involving two cereals was conducted in 1999 and 2000 cropping seasons in Minjibir. The systems involved different row to row combinations of cowpea and millet or sorghum. Selec...


Ajeigbe, Hakeem A.Oseni, T.O.Singh, B.B.Tarawali, Shirley A.[Effect of different cowpea - cereal row to row planting systems and insecticide sprays of cowpea on the quality of the crop residues]Effect of different cowpea - cereal row to row planting systems and insecticide sprays of cowpea on the quality of the crop residues

Cowpea is an important food, cash and fodder crop in Sub-Saharan Africa and has potential of becoming an industrial crop. A trial was conducted to evaluate selected improved and popular varieties of cowpea for physicochemical characteristics that can help to promote commercial production and indu...


Ajeigbe, Hakeem A.Ihedioha, D.Chikoye, D.[Variation in physicochemical properties of seed of selected improved varieties of cowpea as it relates to industrial utilization of the crop]Variation in physicochemical properties of seed of selected improved varieties of cowpea as it relates to industrial utilization of the crop

The average productivity of cowpea in the existing traditional systems is low due to a complex of biotic and abiotic stresses. The biotic factors include insect pests, parasitic plants, and viral, fungal and bacterial diseases. Concerted efforts are being made to develop improved cowpea varieties...


Ajeigbe, Hakeem A.Singh, B.B.Emechebe, A.M.[Field evaluation of improved cowpea lines for resistance to bacterial blight, virus and striga under natural infestation in the West African savannas]Field evaluation of improved cowpea lines for resistance to bacterial blight, virus and striga under natural infestation in the West African savannas

Cowpea (Vigna unguiculata [L.] Walp.) is the most important grain legume in the dry savannas of West Africa, however grain and fodder yields are low (averaging 25 to 300 kg and 450 to 800 kg grain and fodder/ha, respectively) due to biotic and abiotic constraints. Improved varieties and cropping ...


Ajeigbe, Hakeem A.Singh, B.Kamara, A.Chikoye, D.Adamu, R.S.Saidou, A.K.Adeosun, J.O.[Improving the productivities of cowpeacereal systems in the savannas of West Africa through dissemination of improved varieties and cropping systems]Improving the productivities of cowpeacereal systems in the savannas of West Africa through dissemination of improved varieties and cropping systems
Ajeigbe, Hakeem A.Dashiell, Kenton E.[Participatory research extension approach: N2Africa extension method]Participatory research extension approach: N2Africa extension method

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