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Loon, M.P. vanDeng, N.Grassini, P.Edreira, J.I.R.Woldemeskel, EndalkachewBaijukya, Frederick P.Marrou, H.Ittersum, Martin K. van[Prospect for increasing grain legume crop production in East Africa]Prospect for increasing grain legume crop production in East Africa

Abele, S.Koper, E.International Institute of Tropical AgricultureAsiedu, RobertBramel-Cox, P.J.Chikoye, D.López, K.[R4D Review 2]R4D Review 2

The concentrations ofP, N, K, Mg, Cain cowpea (Vigna unguiculata (L.) Walp.) roots and shoots were assessed at 45 Days After Planting (DAP) in inoculated and uninoculated plants at sowing with rhizobia and Arbuscular-Mycorrhizal Fungi (AMF). Those of harvested seeds from inoculated and uninoculat...


Ngakou, A.Nwaga, D.Nebane, C.L.N.Ntonifor, N.N.Tamo, M.Parh, I.A.[Arbuscular-mycorrhizal fungi, rhizobia and Metarhizium anisopliae enhance P, N, Mg, K and Ca accumulatons in fields grown cowpea]Arbuscular-mycorrhizal fungi, rhizobia and Metarhizium anisopliae enhance P, N, Mg, K and Ca accumulatons in fields grown cowpea

Plant architecture and N fertilizer may limit the performance of intercropped maize (Zea mays L.) and cowpea [Vigna unguiculata (L.) Walpers] cultivars. This paper describes an experiment in which cultivars of maize and cowpea were intercropped and fertilized with varying rates of N. The cowpea c...


Ezumah, H.C.Nam, N.K.Walker, P.[Maize cowpea intercropping as affected by nitrogen fertilization]Maize cowpea intercropping as affected by nitrogen fertilization

Aphid (Aphis craccivora Koch) is a major pest of cowpea [Vigna unguiculata (L.) Walp.] particularly in the drier regions of the tropics. It causes direct damage by feeding on the plants and also transmits viruses. Several sources of resistance to cowpea aphid have been identified and efforts are ...


Bata, H.D.Singh, B.B.Singh, S.R.Ladeinde, T.A.O.[Inheritance of resistance to aphid in cowpea]Inheritance of resistance to aphid in cowpea

Cowpea [Vigna unguiculata (L.) Walp] exhibits a considerable variation in leaf shape. Although cowpea is mostly utilized as a dry grain and animal fodder crop, cowpea leaves are also used as a high-protein pot herb in many countries of Africa.


Pottorff, M.Ehlers, J.D.Fatokun, C.A.Roberts, P.A.Close, T.J.[Leaf morphology in cowpea [Vigna unguiculata (L.) Walp]: QTL analysis, physical mapping and identifying a candidate gene using synteny with model legume species]Leaf morphology in cowpea [Vigna unguiculata (L.) Walp]: QTL analysis, physical mapping and identifying a candidate gene using synteny with model legume species

Grain yields of cowpea [Vigna unguiculata (L.) Walp.] in the Nigerian savannas are low even with the cultivation of improved varieties. The recommended spacing for cowpea is 75 × 20 cm with two seeds planted per stand. This corresponds to plant population of 133333 plants ha−1, which may not be s...


Kamara, A.Tofa, A.I.Kyei-Boahen, S.Solomon, R.Ajeigbe, Hakeem A.Kamai, N.[Effects of plant density on the performance of cowpea in Nigerian Savannas]Effects of plant density on the performance of cowpea in Nigerian Savannas

In most parts of West Africa, poverty contributes immensely to poor fertilizer adoption by smallholder farmers. Fertilizer adoption could be improved with micro-dosing technology. A socio-economic survey was conducted in the semi-deciduous forest zone of Ghana to assess the extent of fertilizer u...


Okebalama, C.B.Safo, E.Y.Yeboah, E.Abaidoo, R.C.Logah, V.[Fertilizer use and management practices among maize and cowpea smallholder farmers in Ghana]Fertilizer use and management practices among maize and cowpea smallholder farmers in Ghana

This study evaluated the symbiotic effectiveness and economic evaluation of Rhizobium inoculants with the objective of recommending the most effective inoculant strain for soybean and cowpea production in Northern Ghana. Field experiments were established in three locations using randomized compl...


Ulzen, J.Abaidoo, R.C.Mensah, N.E.Masso, C.AbdelGadir, AbdelAziz H.[Bradyrhizobium inoculants enhance grain yields of soybean and cowpea in northern Ghana]Bradyrhizobium inoculants enhance grain yields of soybean and cowpea in northern Ghana

Dahab Elgoz'cowpea fVigna unguiculata (L.) Walp.] (Reg. no. CV-208, PI 632419. originally designated as 1T84S-2163) was developed by the International Institute of 'I'ropical Agriculture (ll'I'A) and distributed to various national programs in 1988 for testing and selection of suitable cultivars ...


Elawad, H.O.A.Singh, B.B.[Registration of Dahab Elgoz cowpea]Registration of Dahab Elgoz cowpea

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