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A comprehensive field survey was carried out in 2011 spanning thirty locations within the forest and savannah agroecologies of Kwara State, Nigeria. This was with the objective of having an overview of the prevalence of virus disease symptoms and to specifically identify the viruses infecting cow...


Aliyu, T.H.Balogun, O.S.Kumar, L.[Survey of the symptoms and viruses associated with cowpea (Vigna unguiculata (L.)) in the agroecological zones of Kwara State, Nigeria]Survey of the symptoms and viruses associated with cowpea (Vigna unguiculata (L.)) in the agroecological zones of Kwara State, Nigeria

This paper analyses the link between gender differences and different activities along the cowpea value chain as well as food security and asset-based poverty using a recent cross-sectional data set of over 120 farm households in Eastern Zambia. We used the endogenous switching probit regression ...


Gondwe, T.N.P.Tegbaru, A.Alamu, E.O.Khonje, M.Manda, J.Gaya, H.[Correlates and consequences of women’s participation in the cowpea value chain in eastern Zambia]Correlates and consequences of women’s participation in the cowpea value chain in eastern Zambia

This paper estimates a more efficient version of an endogenous switching regression model to examine the effects of farmer education—schooling and extension contact—on cowpea production under traditional and improved technology in northern Nigeria. The results revealed significant productivity-en...


Alene, Arega D.Manyong, Victor M.[The effects of education on agricultural productivity under traditional and improved technology in northern Nigeria: an endogenous switching regression analysis]The effects of education on agricultural productivity under traditional and improved technology in northern Nigeria: an endogenous switching regression analysis

The feeding value of fodder from two cowpea cultivars to a basal maize stover diet was investigated using fifteen lactating White Fulani (Zebu) cows. The two cultivars were IT-716 and 994-DP. Diet was constituted as 50g DM/kg live weight and each of the cultivars was supplemented at 50 % of the d...


Akinlade, A.Smith, Jimmy W.Raji, A.M.Busari, A.A.Adekunle, I.O.Adewumi, M.K.[Effect of two cowpea (Vigna unguiculata) fodder cultivars as supplements on voluntary intake, milk yield and manure production of Bunaji cows]Effect of two cowpea (Vigna unguiculata) fodder cultivars as supplements on voluntary intake, milk yield and manure production of Bunaji cows
Sinclair, Thomas R.Manandhar, A.Belko, N.Riar, M.Vadez, VincentRoberts, P.A.[Variation among cowpea genotypes in sensitivity of transpiration rate and symbiotic nitrogen fixation to soil drying]Variation among cowpea genotypes in sensitivity of transpiration rate and symbiotic nitrogen fixation to soil drying
Muranaka, S.Shono, MManjula, K.Takagi, H.Ishikawa, H.[Application of near to midinfrared spectroscopy to estimation of grain nitrogen content in cowpea (Vigna unguiculata) grown under multiple environmental conditions]Application of near to midinfrared spectroscopy to estimation of grain nitrogen content in cowpea (Vigna unguiculata) grown under multiple environmental conditions

Cowpea is traditionally important as an affordable source of protein and minerals and of cash income in sub-Saharan Africa, especially for small-scale farmers who have limited options for food and cash crops. The development and deployment of cowpea varieties with improved nutrition and quality t...


Muranaka, S.Shono, MMyoda, T.Takeuchi, J.Franco, J.Nakazawa, Y.Boukar, O.Takagi, H.[Genetic diversity of physical, nutritional and functional properties of cowpea grain and relationships among the traits]Genetic diversity of physical, nutritional and functional properties of cowpea grain and relationships among the traits
Kabululu, MSOjiewo, COluoch, MMaass, Brigitte L.[Cowpea cultivar mixtures for stable and optimal leaf and seed yields in a maize intercropping system]Cowpea cultivar mixtures for stable and optimal leaf and seed yields in a maize intercropping system

This study sought to identify new sources of resistance to cowpea aphids (CPA) using molecular and phenotypic approaches and the inheritance pattern. Sixty cowpea genotypes were phenotyped for resistance to CPA using insect proof cages and further confirmed using markers linked to aphid resistanc...


Omoigui, L.O.Ekeuro, G.C.Kamara, A.Y.Bello, L.L.Timko, M.P.Ogunwolu, G.O.[New sources of aphids [Aphis craccivora (Koch)] resistance in cowpea germplasm using phenotypic and molecular marker approaches]New sources of aphids [Aphis craccivora (Koch)] resistance in cowpea germplasm using phenotypic and molecular marker approaches

The hypothesis that application of starter nitrogen (N) fertilizer to cowpea may increase grain and fodder yields and profitability was tested in the Guinea and Sudan savanna zones of northern Ghana. Two cowpea varieties (Apagbaala: grain-type and Padi-Tuya: dual purpose) and three N fertilizer r...


Nurudeen, A.R.Larbi, AsamoahKotu, B.Tetteh, F.M.Hoeschle-Zeledon, I.[Does nitrogen matter for legumes? Starter nitrogen effects on biological and economic benefits of cowpea (Vigna unguiculata L.) in Guinea and Sudan Savanna of west Africa]Does nitrogen matter for legumes? Starter nitrogen effects on biological and economic benefits of cowpea (Vigna unguiculata L.) in Guinea and Sudan Savanna of west Africa

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