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Cowpea is a key cash crop and also a staple food for millions of people in West and Central Africa. Cowpea trade is severely hampered by storage insects especially the cowpea weevil. The Purdue Improved Cowpea Storage (PICS) project was started in Nigeria in 2008 on a pilot basis in the states of...


Abdoulaye, TahirouAyedun, B.Musa, S.A.Lowenberg-Deboer, J.Baributsa, D.Yakubu, S.A.Idris, A.A.[Adoption of PICS bags in Northern Nigeria: a case study of Jigawa, Kano, and Katsina States]Adoption of PICS bags in Northern Nigeria: a case study of Jigawa, Kano, and Katsina States

Cowpea is a major food and cash crop in northern Nigeria, providing nutritious grain and a less expensive source of protein for both the rural poor and urban consumers. A number of improved varieties have been developed combining diverse plant type, and different maturity periods, with resistance...


Kamara, A.Y.Omoigui, L.O.Ewansiha, S.U.[Improving the productivity of cowpea in the savannas of northeast Nigeria through participatory evaluation and dissemination of improved varieties]Improving the productivity of cowpea in the savannas of northeast Nigeria through participatory evaluation and dissemination of improved varieties

A field study was conducted to determine the rate of genetic improvement in grain and fodder yields of cowpea genotypes developed in the Nigerian Sudan savannas from 1970 to 2004. Results showed that grain yield ranged from 568 kg/ha for an old variety TVX3236 to 1851 kg/ha for a recently release...


Kamara, A.Y.Ewansiha, S.U.Ajeigbe, Hakeem A.Okechukwu, R.U.Tefera, H.Boukar, O.Omoigui, L.O.[Improvements in grain and fodder yield of cowpea (Vigna unguiculata) varieties developed in the Sudan savannas of Nigeria over the past four decades]Improvements in grain and fodder yield of cowpea (Vigna unguiculata) varieties developed in the Sudan savannas of Nigeria over the past four decades

Current strategies to control insect pest problems in cowpea include, on the preventive side, host plant resistance and conservation biological control. Because very often these management options alone cannot provide adequate control, curative measures need to be taken, which include augmentativ...


Tamò, M.Srinivasan, R.Dannon, E.A.Agboton, C.Datinon, B.Dabiré, C.Baoua, I.Ba, Malick N.Haruna, B.Pittendrigh, Barry R.[Biological control: a major component for the longterm cowpea pest management strategy]Biological control: a major component for the longterm cowpea pest management strategy

Insect pests often develop resistance to insecticides, and such resistance represents a serious management problem. Devising methods that concurrently delay resistance and minimize injury by insects to field crops and stored grain has long been a goal of Integrated Pest Management (IPM). A center...


Agunbiade, T.A.Steele, L.Coates, B.Gassmann, A.Margam, V.Ba, Malick N.Dabiré-Binso, C.Baoua, I.Bello-Bravo, JuliaSeufferheld, F.Sun, W.Tamò, M.Pittendrigh, Barry R.[IPM-omics: from genomics to extension for integrated pest management of cowpea]IPM-omics: from genomics to extension for integrated pest management of cowpea

Cowpea farming practices have been ongoing for millennia and have always faced various challenges including diseases, insects, and weeds, that lower its yield to no more than 200 kg/ha. This economically and nutritionally important crop has been a major research focus of the International Institu...


Dabiré, B.C.Tignegré, J.B.Ba, Malick N.Tamò, M.Sanon, A.Ouédraogo, T.J.Neya, B.J.Muleba, N.Hammond, W.Coulibaly, O.[An historical review of progress to control key cowpea biotic constraints in Burkina Faso]An historical review of progress to control key cowpea biotic constraints in Burkina Faso

Synthetic sex pheromone traps for the legume pod borer, Maruca vitrata (Fabricius) (Lepidoptera: Crambidae), effectively attracted males in cowpea fields at Cotonou (lat. 6°25' N) in southern Benin, where pest incidence is observed throughout the year. However, the same pheromone lures caught ver...


Adati, T.Tamò, M.Koji, S.Downham, M.C.A.[Effect of migration and mating status of the legume pod borer, Maruca vitrata (Fabricius) (Lepidoptera: Crambidae) on the efficacy of synthetic sex pheromone traps in West Africa]Effect of migration and mating status of the legume pod borer, Maruca vitrata (Fabricius) (Lepidoptera: Crambidae) on the efficacy of synthetic sex pheromone traps in West Africa
International Institute of Tropical Agriculture[International Institute of Tropical Agriculture: soils subprogram papers, 1976 1977]International Institute of Tropical Agriculture: soils subprogram papers, 1976 1977

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 colour, seed colour, seed coat texture, resistance to rust, scab, smut, nematode, severe mosaic virus, Striga...


Fatokun, C.A.Tarawal, S.A.Singh, B.B.Kormawa, P.M.Tamo, M.[Challenges and opportunities for enhancing sustainable cowpea production: proceedings of the World Cowpea Conference III held at the International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria, 48 September 2000]Challenges and opportunities for enhancing sustainable cowpea production: proceedings of the World Cowpea Conference III held at the International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria, 48 September 2000

Consensus genetic linkage maps are formed from merging individual linkage maps. They provide powerful tools for genetic analysis and a foundation for marker-assisted breeding, trait mapping, and positional cloning. In 2009, the first cowpea consensus map was developed. It included 928 markers spa...


Diop, N.N.Ehlers, J.D.Wanamaker, S.Muchero, W.Fatokun, C.A.Guojing, L.Roberts, P.A.Close, T.J.Timothy[An improved consensus genetic linkage map of cowpea ( Vigna unguiculata L. Walp. )]An improved consensus genetic linkage map of cowpea ( Vigna unguiculata L. Walp. )

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