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Journal Article 2004-10

Autor: Kamara, A.Y. Menkir, A. Fakorede, M.A.B. Ajala, S.O. Badu-Apraku, B. Kureh, I.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/96423

Investigación en Agricultura
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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
Conference Proceedings 2012

Autor: Kamara, A.Y. Omoigui, L.O. Ewansiha, S.U.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/80483

Investigación en Agricultura
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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
Conference Proceedings 2012

Autor: Kamara, A.Y. Ewansiha, S.U. Ajeigbe, Hakeem A. Okechukwu, R.U. Tefera, H. Boukar, O. Omoigui, L.O.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/80471

Investigación en Agricultura
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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
Journal Article 2004

Autor: Badu-Apraku, B. Fakorede, M.A.B. Menkir, A. Kamara, A.Y. Akanvou, L. Chabi, Y.

Drought occurrence and striga hermonthica (Del.) Benth infestation are formidable maize (Zea mays L.) production constriants in the savanna zones of West and Central Africa (WCA). The West and Central Africa collaborative Maize Research Network (WECAMAN), in collaboration with the International I...

Enlace original: https://cgspace.cgiar.org/handle/10568/96428

Investigación en Agricultura
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Badu-Apraku, B. ,  Fakorede, M.A.B. ,  Menkir, A. ,  Kamara, A.Y. ,  Akanvou, L. ,  Chabi, Y. ,  [Response of early maturing maize to multiplestresses in the Guinea savanna of West and Central Africa] ,  Response of early maturing maize to multiplestresses in the Guinea savanna of West and Central Africa
Journal Article 2009

Autor: Kwari, J.D. Kamara, A.Y. Ekeleme, F. Omoigui, L.O.

Deficiencies of sulphur (S), copper (Cu) and zinc (Zn) are becoming prevalent under intensifying agricultural systems in north-eastern Nigeria. They are manifest in the partial or lack of response by crops to NPK fertilizers leading to a reduction in crop quality and yields. Data were collected o...

Enlace original: https://cgspace.cgiar.org/handle/10568/90372

Investigación en Agricultura
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Kwari, J.D. ,  Kamara, A.Y. ,  Ekeleme, F. ,  Omoigui, L.O. ,  [Relation of yields of soybean and maize to sulphur, zinc and copper status of soils under intensifying cropping systems in the tropical savannas of northeast Nigeria] ,  Relation of yields of soybean and maize to sulphur, zinc and copper status of soils under intensifying cropping systems in the tropical savannas of northeast Nigeria
Journal Article 2011-07

Autor: Kamara, A.Y. Ekeleme, F. Omoigui, L.O. Chikoye, D.

This study evaluated the response of four rain-fed lowland New Rice for Africa (NERICA) varieties (NERICA-L-12, NERICA-L-41, NERICA-L-42 and NERICA-L-56) and a popularly grown Oryza sativa (ITA 150) to nitrogen (0, 30, and 100 kg N ha-1). The interactions between nitrogen and variety were not sig...

Enlace original: https://cgspace.cgiar.org/handle/10568/88160

Investigación en Agricultura
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Kamara, A.Y. ,  Ekeleme, F. ,  Omoigui, L.O. ,  Chikoye, D. ,  [Influence of nitrogen fertilization on yield and yield components of rainfed lowland NERIC rice in the northern Guinea savanna of Nigeria] ,  Influence of nitrogen fertilization on yield and yield components of rainfed lowland NERIC rice in the northern Guinea savanna of Nigeria
Report 2011

Autor: Ayanwale, A. Abdoulaye, Tahirou Sanni, A. Maiyaki, D. Kamara, A.Y. Adekunle, A. Fatunbi, O. Ayedun, B. Akinola, Adebayo A.
Enlace original: https://cgspace.cgiar.org/handle/10568/88189

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Ayanwale, A. ,  Abdoulaye, Tahirou ,  Sanni, A. ,  Maiyaki, D. ,  Kamara, A.Y. ,  Adekunle, A. ,  Fatunbi, O. ,  Ayedun, B. ,  Akinola, Adebayo A. ,  [Baseline report of the Sudan Savanna zone of the Kano, Katsiina, Maradi (KKM) Project Learning Site (PLS) of the subSaharan AfricaChallenge Program (SSACP)] ,  Baseline report of the Sudan Savanna zone of the Kano, Katsiina, Maradi (KKM) Project Learning Site (PLS) of the subSaharan AfricaChallenge Program (SSACP)
Book Chapter 2007-06

Autor: Menkir, A. Badu-Apraku, B. Yallou, C.G. Kamara, A.Y. Ejeta, G.

Recurrent selection under artificial S. hermonthica infestation has significantly reduced the number of emerged Striga plants and increased grain yield under Striga infestation in broad-based populations. These populations have been sources of varieties and inbred lines with consistently high lev...

Enlace original: https://cgspace.cgiar.org/handle/10568/91706

Investigación en Agricultura
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Menkir, A. ,  Badu-Apraku, B. ,  Yallou, C.G. ,  Kamara, A.Y. ,  Ejeta, G. ,  [Breeding maize for broad-based resistance to striga hermonthica] ,  Breeding maize for broad-based resistance to striga hermonthica
Journal Article 2010-06

Autor: Kamara, A.Y. Ellis-Jones, J. Ekeleme, F. Omoigui, L.O. Amaza, P. Chikoye, D. Dugje, I.Y.

A number of improved varieties have been developed by the International Institute of Tropical Agriculture (IITA), combining diverse plant type with resistance or tolerance to several diseases, insect pests, and parasitic weeds and possessing other good agronomic traits. Trials were established wi...

Enlace original: https://cgspace.cgiar.org/handle/10568/88966

Investigación en Agricultura
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Kamara, A.Y. ,  Ellis-Jones, J. ,  Ekeleme, F. ,  Omoigui, L.O. ,  Amaza, P. ,  Chikoye, D. ,  Dugje, I.Y. ,  [A participatory evaluation of improved cowpea cultivars in the Guinea and Sudan savanna zones of north east Nigeria] ,  A participatory evaluation of improved cowpea cultivars in the Guinea and Sudan savanna zones of north east Nigeria
Journal Article 2017

Autor: Adnan, A.A. Jibrin, J.M. Kamara, A.Y. Abdulrahman, B.L. Shaibu, A.S.

CERES-Maize model was used to determine nitrogen fertilizer requirements of early maturing maize varieties in the Sudan Savanna. Data were collected from 2013 and 2014 field experiments conducted in BUK Nigeria. The experiments consisted of 3 nitrogen fertilizer levels (0, 60, and 120 Kg N ha−1) ...

Enlace original: https://cgspace.cgiar.org/handle/10568/79948

Investigación en Agricultura
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Adnan, A.A. ,  Jibrin, J.M. ,  Kamara, A.Y. ,  Abdulrahman, B.L. ,  Shaibu, A.S. ,  [Using ceres-maize model to determine the nitrogen fertilization requirements of early maturing maize in the sudan savanna of Nigeria] ,  Using ceres-maize model to determine the nitrogen fertilization requirements of early maturing maize in the sudan savanna of Nigeria

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