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Maize improvement at the International Institute of Tropical Agriculture (IITA), which began in the 1970s, built on the germplasm and experience of earlier years. The main breeding emphasis was to develop maize cultivars and hybrids with high yield potential and durable resistance to diseases and...


Kamara, A.Y.Menkir, A.Fakorede, M.A.B.Ajala, S.O.Badu-Apraku, B.Kureh, I.[Agronomic performance of maize cultivars representing three decades of breeding in the Guinea Savannas of West and Central Africa]Agronomic performance of maize cultivars representing three decades of breeding in the Guinea Savannas of West and Central Africa

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 Guinea savannas of Nigeria have a high potential for the production of maize because of favorable environmental conditions. Despite this high potential, the yields obtained under farmers' conditions are still very low. Low soil fertility and intermittent drought are among major constraints li...


Kamara, A.Y.Menkir, A.Omoigui, L.O.Kureh, I.[Potential of drought-tolerant maize varieties in nitrogen-deficient soils of the Guinea savannas]Potential of drought-tolerant maize varieties in nitrogen-deficient soils of the Guinea savannas

Maize is an important food crop in the Guinea savannas of Nigeria where it is gradually replacing the traditional cereal crops, such as sorghum and millet because of its high productivity. Despite its high yield potential, maize production is faced with numerous constraints. One of these Is droug...


Kamara, A.Kureh, I.Menkir, A.Kartung, P.Tarfa, B.Amaza, P.[Participatory onfarm evaluation of the performance of droughttolerant maize varieties in the Guinea Savannas of Nigeria]Participatory onfarm evaluation of the performance of droughttolerant maize varieties in the Guinea Savannas of Nigeria

On-farm trials were conducted in 2001, 2002, and 2003 in the northern Guinea savanna of Nigeria to evaluate integrated Striga hermonthica control measures under farmermanaged conditions. These included intercropping a Striga-resistant maize variety with cowpea for 3 years and also cropping this m...


Kureh, I.Kamara, A.Y.Tarfa, B.D.[Influence of cereal legume rotation on Striga control and maize grain yield in farmers fields in the northern Guinea Savanna of Nigeria]Influence of cereal legume rotation on Striga control and maize grain yield in farmers fields in the northern Guinea Savanna of Nigeria

Genetic improvement of maize hybrids for superior stress tolerance has contributed to increased yield by allowing hybrids to be planted at higher plant populations. This study was conducted to evaluate the response of maize hybrids developed in the Nigerian Savanna from different eras to high pla...


Kamara, A.Menkir, A.Kureh, I.Omoigui, L.Ekeleme, F.[Performance of old and new maize hybrids at high plant densities in the tropical Guinea Savanna]Performance of old and new maize hybrids at high plant densities in the tropical Guinea Savanna

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