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Conference Proceedings 2012

Improvements in grain and fodder yield of cowpea (Vigna unguiculata) varieties developed in the Sudan savannas of Nigeria over the past four decades

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

COWPEAS

GRAIN LEGUMES

LEGUMINOUS CROP

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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 2017

Agronomic evaluation of cowpea cultivars developed for the West African Savannas

Autor: Kamara, A.Y. Ewansiha, S.U. Ajeigbe, Hakeem A. Omoigui, L.O. Tofa, A.I. Karim, K.Y.

The goal of this research was to evaluate diverse cowpea genotypes developed over the past 4 decades in the Nigerian Sudan Savannas for their agronomic performance and to identify groups of cultivars with similar quantitative characters. Characterization would facilitate the efficient synthesis o...

Enlace original: https://cgspace.cgiar.org/handle/10568/83014

Investigación en Agricultura

GRAIN LEGUMES

CLUSTER ANALYSIS

COWPEAS

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Kamara, A.Y. , Ewansiha, S.U. , Ajeigbe, Hakeem A. , Omoigui, L.O. , Tofa, A.I. , Karim, K.Y. , [Agronomic evaluation of cowpea cultivars developed for the West African Savannas] , Agronomic evaluation of cowpea cultivars developed for the West African Savannas

Journal Article 2012-10

Response of old and new cowpea varieties to insecticide spray regimes in the Sudan savanna of Nigeria

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

Insect pests are major constraint to cowpea production in northern Nigeria causing yield losses up to 70%. Several cowpea varieties have been developed and delivered to farmers by IITA over the past four decades. These varieties have varying degrees of resistance to insect pest attacks. A field s...

Enlace original: https://cgspace.cgiar.org/handle/10568/79816

Investigación en Agricultura

COWPEAS

VARIETIES

SAVANNA

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Kamara, A. , Ewansiha, S.U. , Ajeigbe, Hakeem A. , Omoigui, L.O. , [Response of old and new cowpea varieties to insecticide spray regimes in the Sudan savanna of Nigeria] , Response of old and new cowpea varieties to insecticide spray regimes in the Sudan savanna of Nigeria

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Improvements in grain and fodder yield of cowpea (Vigna unguiculata) varieties developed in the Sudan savannas of Nigeria over the past four decades

Agronomic evaluation of cowpea cultivars developed for the West African Savannas

Response of old and new cowpea varieties to insecticide spray regimes in the Sudan savanna of Nigeria