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Diffusion of improved technologies among small-scale farmers, especially where formal methods and market mechanisms are inefficient, can be enhanced through the participation of farmers. Unfortunately, formal methods of disseminating improved seed in most African countries have not taken advantag...


Kormawa, P.M.Ezedinma, C.Singh, B.[Factors influencing farmer-to-farmer transfer of an improved cowpea variety in Kano State, Nigeria]Factors influencing farmer-to-farmer transfer of an improved cowpea variety in Kano State, Nigeria

Virus diseases cause substantial yield reduction in cowpea ( Vigna unguiculata (L.) Walp) production in West and Central Africa. Improved cowpea cultivars have been developed and distributed to various national programs but these cultivars were tested only against local virus isolates. To identif...


Boxtel, J. vanSingh, B.Thottappilly, G.Maule, A.[Resistance of cowpea (Vigna unguiculata (L.) Walp.) breeding lines to blackeye cowpea mosaic and cowpea aphid borne mosaic potyvirus isolates under experimental conditions]Resistance of cowpea (Vigna unguiculata (L.) Walp.) breeding lines to blackeye cowpea mosaic and cowpea aphid borne mosaic potyvirus isolates under experimental conditions

Two pot experiments were conducted, one to evaluate the levels of tolerance of fifteen cowpea [Vigna unguiculata (L.) Walp] lines to aluminum (Al) application, and the second to determine the effect of phosphorus (P) addition on the performance of Al‐tolerant lines (IT 91K‐93–10, IT 93K‐2046–1, a...


Kolawole, G.O.Tian, G.Singh, B.[Differential response of cowpea lines to aluminum and phosphorus application]Differential response of cowpea lines to aluminum and phosphorus application

This study was undertaken to elucidate the nature of inheritance of the two types of drought tolerance in cowpea {Vigna unguiculata (L.) Walp} so that the drought tolerant can be effectively used in breeding programme. Three cowpea lines viz TVu 11986 willi ‘Type l' drought tolerance, Dan IIa wit...


Mai-Kodomi, Y.Singh, B.Terao, T.Myers, O.Yopp, J.H.Gibson, P.J.[Inheritance of drought tolerance in cowpea]Inheritance of drought tolerance in cowpea

Herbaceous legumes are becoming increasingly important for the crop-livestock farming systems in the moist and semi-arid regions of West Africa as these crops cover the ground quickly, check erosion, contribute to soil fertility and provide nutritious food and fodder to human beings and livestock...


Ewansiha, S.U.Singh, B.[Relative drought tolerance of important herbaceous legumes and cereals in the moist and semiarid regions of West Africa]Relative drought tolerance of important herbaceous legumes and cereals in the moist and semiarid regions of West Africa
Singh, B.Adeleke, R.Ajeigbe, Hakeem A.Olufajo, O.Ishiyaku, M.Mohammed, S.[Registration of NGVU0525 cowpea cultivar]Registration of NGVU0525 cowpea cultivar

Cowpea [Vigna unguiculata (L.) Walp] is an important grain legume crop grown for its protein rich grains. It is an inexpensive source of protein in the diets of people in sub-Saharan Africa. The International Institute of Tropical Agriculture (IITA) has been working on the improvement of cowpea f...


Li, C.Fatokun, C.A.Ubi, B.Singh, B.Scoles, Glen A.[Determining genetic similarities and relationships among cowpea breeding lines and cultivars by microsatellite markers]Determining genetic similarities and relationships among cowpea breeding lines and cultivars by microsatellite markers

Differences in growth, nodulation and arbuscular mycorrhizal fungi (AMF) root infection among recent cowpea breeding lines from IITA were examined at low and high P levels in pot (94 lines) and field experiments (43 lines) at Fashola in the derived savanna zone of Nigeria. Based on their growth p...


Sanginga, N.Lyasse, O.Singh, B.[Phosphorus use efficiency and nitrogen balance of cowpea breeding lines in a low P soil of the derived savanna zone in West Africa]Phosphorus use efficiency and nitrogen balance of cowpea breeding lines in a low P soil of the derived savanna zone in West Africa

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