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Badu-Apraku, B.Yallou, C.Oyekunle, M.Akinwale, R.Aweke, G.Kamara, A.[Consistency of performance of early-maturing maize cultivars in Striga infested and Striga-free environments]Consistency of performance of early-maturing maize cultivars in Striga infested and Striga-free environments

Infestation of cereals and cowpeas by Striga species constitute a major constraint to increased crop pro-ductivity in the savannas of northern Nigeria. Field surveys were undertaken in Jigawa State, Nigeria in2012 to assess (i) the level and extent of Strgia infestation of cereal and cowpea field...


Kamara, A.Ekeleme, F.Jibrin, J.M.Tarawali, G.Tofa, A.[Assessment of level, extent and factors influencing Striga infestation of cereals and cowpea in a Sudan Savanna ecology of Northern Nigeria]Assessment of level, extent and factors influencing Striga infestation of cereals and cowpea in a Sudan Savanna ecology of Northern Nigeria

Maize (Zea mays L.) is an important food crop in the Guinea savannas of Nigeria. Despite its high production potential, drought, Striga hermonthica parasitsim, and poor soil fertility particularly nitrogen deficiency limit maize production in the savannas. Breeders at IITA have developed drought-...


Kamara, A.Ewansiha, S.U.Menkir, A.[Assessment of nitrogen uptake and utilization in drought tolerant and Striga resistant tropical maize varieties]Assessment of nitrogen uptake and utilization in drought tolerant and Striga resistant tropical maize varieties

Integrated soil management with grain legumes was studied at two villages (Ugwan Shamaki) and Tashan Kaya) in Kaduna State, northern Guinea Savanna zone of Nigeria (190 day growing season). Impacts of one year rotation of Soybean and Cowpea on soil chemical properties were compared with sole maiz...


Tarfa, B.Kureh, I.Kamara, A.Maigida, D.[Influence of cereal legume rotation on soil chemical properties, crop yield and Striga control]Influence of cereal legume rotation on soil chemical properties, crop yield and Striga control

A study was conducted in Kano and Bauchi States in the dry Savanna of northern Nigeria to determine Striga incidence and infestation and relate these to soil fertility status and yield of maize. A three-stage sampling technique was used to select communities and fields in targeted Local Governmen...


Ekeleme, F.Jibrin, J.M.Kamara, A.Oluoch, M.Samndi, A.Fagge, A.[Assessment of the relationship between soil properties, Striga hermonthica infestation and the onfarm yields of maize in the dry Savannas of Nigeria]Assessment of the relationship between soil properties, Striga hermonthica infestation and the onfarm yields of maize in the dry Savannas 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

Field studies were conducted in 1995 and 1996 in the northern Guinea savanna of Nigeria to determine the response of 22 soybean genotypes to Alectra infestation. Significant differences were observed amongst soybean genotypes in number of Alectra shoots that emerged at 9 and 10 weeks after sowing...


Kureh, I.Alabi, S.Kamara, A.[Response of soybean genotypes to Alectra vogelii infestation under natural field conditions]Response of soybean genotypes to Alectra vogelii infestation under natural field conditions

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