A number of recent studies have added further information on the genetics of important traits in cowpea. These include inheritance of qualitative traits such as plant pigmentation; flower color; seed color; seed coat texture; resistance to rust, scab, smut, nematode, severe mosaic virus, Striga, ...
Ortiz, R.
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Ekanayake, I.J.
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Mahalakshmi, V.
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Kamara, A.
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Menkir, A.
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Nigan, S.N.
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Singh, B.B.
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Saxena, N.P.
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[Development of drought resistant and water stress tolerant crops through traditional breeding]
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Development of drought resistant and water stress tolerant crops through traditional breeding
Cowpea (Vigna unguiculata) [L.] Walp.) is a major component of the traditional cropping systems in Africa, Asia, and Central and South America where it is widely grown in mixtures with other crops in various combinations. The productivity of cowpea in these mixtures is low, mainly due to low plan...
The potential impact and return to investment from introducing improved dualpurpose cowpea for food and fodder in northern Nigeria was investigated using a combination of farmers' workshops and village and household level surveys. Out of the 462 households surveyed, 41 % were adopters, 9% had bee...
Okike, I.
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Kristjanson, Patricia M.
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Tarawali, Shirley A.
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Singh, B.B.
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Kruska, R.L.
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Mounyong, V.M.
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[Potential adoption and diffusion of improved dual-purpose cowpea in the dry savannas of Nigeria: an evaluation using a combination of participatory and structured approaches]
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Potential adoption and diffusion of improved dual-purpose cowpea in the dry savannas of Nigeria: an evaluation using a combination of participatory and structured approaches
High population growth and consequent pressure for food is driving agriculture towards greater intensification in West Africa. However, due to inadequate use/availability of farm manure and fertilisers, there is a continuous decline in soil fertility and overall crop productivity. This trend must...
Singh, B.B.
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Larbi, Asamoah
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Tabo, Ramadjita
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Dixon, Alfred G.O.
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[Trends in development of crop varieties for improved crop-livestock systems in West Africa]
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Trends in development of crop varieties for improved crop-livestock systems in West Africa
Cowpea is important for the provision of both grain for food and fodder for livestock but there is often a trade-off between production of the two. To better understand influences on grain and fodder production, and how these may be utilized. Research was conducted at 5 locations in West Africa u...
Tarawali, Shirley A.
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Singh, B.B.
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Fernández Rivera, S.
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Peters, Michael
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Smith, Jimmy W.
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Schultze-Kraft, Rainer
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Ajeigbe, Hakeem A.
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[Optimizing the contribution of cowpea to food and fodder production in crop-livestock systems in West Africa]
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Optimizing the contribution of cowpea to food and fodder production in crop-livestock systems in West Africa
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.
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Oseni, T.O.
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Singh, B.B.
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Tarawali, Shirley A.
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[Effect of different cowpea - cereal row to row planting systems and insecticide sprays of cowpea on the quality of the crop residues]
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Effect of different cowpea - cereal row to row planting systems and insecticide sprays of cowpea on the quality of the crop residues
One of the most important constraints in cowpea storage is widespread infestation by the seed beetle, Callosobruchus maculatus (F.), commonly known as bruchid. In addition to causing direct seed weight loss, it reduces seed quality and also affects germination. The International Institute of Trop...