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Cultural and biological control measures have failed to provide satisfactory management of Striga gesnerioides, a major biotic constraint to cowpea production in sub-Saharan Africa. Field trials were conducted to evaluate the efficacy of imazaquin seed treatment (at 0.00, 0.06, and 0.24 kg a.i. h...


Lado, A.Hussaini, M.A.Kamara, A.[Effectiveness of imazaquin seed treatment on Striga gesnerioides control and growth traits of seven cowpea genotypes]Effectiveness of imazaquin seed treatment on Striga gesnerioides control and growth traits of seven cowpea genotypes

The Guinea savannas of Nigeria have a high potential for the production of maize because of favourable environmental conditions. Despite this high potential, the yields obtained in farmers' fields are still very low. This is due to soil degradation and nutrient depletion arising from intensificat...


Kamara, A.Menkir, A.Ajala, S.O.Kureh, I.[Performance of diverse maize genotypes under nitrogen deficiency stress in the northern Guinea Savanna of Nigeria]Performance of diverse maize genotypes under nitrogen deficiency stress in the northern Guinea Savanna of Nigeria

The parasitic flowering plants Striga gesnerioides (Willd.) Vatke and Alectra vogelii (Benth.) are formidable cowpea production constraints in the West and Central African savanna. The two parasites cause substantial yield reduction in cowpea in the dry savannas. A field study was conducted to sc...


Omoigui, L.O.Kamara, A.Ishiyaku, M.Boukar, O.[Comparative responses of cowpea breeding lines to Striga and Alectra in the dry savanna of northeast Nigeria]Comparative responses of cowpea breeding lines to Striga and Alectra in the dry savanna of northeast Nigeria

The effects of nitrogen (N) rate and weed interference on the grain yield of four corn genotypes were investigated in 2002 and 2003 at Ikenne (7u389N, 3u429E), Shika (11u119N, 7u389E), and Samaru (10u249N, 7u429E) in Nigeria. Nitrogen (N) at 0, 30, 60, and 90 kg N ha21 were the main plot treatmen...


Chikoye, D.Lum, A.F.Abaidoo, R.C.Menkir, A.Kamara, A.Ekeleme, F.Sanginga, Nteranya[Response of corn genotypes to weed interference and nitrogen in Nigeria]Response of corn genotypes to weed interference and nitrogen in Nigeria

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