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Book 2014

Autor: Amaza P. Hassan, M.B. Abdoulaye, Tahirou Kamara, A. Oluoch. M.

The Bill and Melinda Gates Foundation (BMGF) provided a 4-year financial support to the International Institute for Tropical Agriculture (IITA) and other partners in 2011 to adapt and intensively promote proven integrated Striga management strategies in cowpea and maize farming systems in north...

Enlace original: https://cgspace.cgiar.org/handle/10568/80828

Investigación en Agricultura
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Amaza P. ,  Hassan, M.B. ,  Abdoulaye, Tahirou ,  Kamara, A. ,  Oluoch. M. ,  [Mid-term and cost-benefit study of smallholder farmers in Striga-Infested maize and cowpea growing areas of Northern Nigeria] ,  Mid-term and cost-benefit study of smallholder farmers in Striga-Infested maize and cowpea growing areas of Northern Nigeria
Journal Article 2016

Autor: Kamara, A. Tofa, A.I. Kyei-Boahen, S. Solomon, R. Ajeigbe, Hakeem A. Kamai, N.

Grain yields of cowpea [Vigna unguiculata (L.) Walp.] in the Nigerian savannas are low even with the cultivation of improved varieties. The recommended spacing for cowpea is 75 × 20 cm with two seeds planted per stand. This corresponds to plant population of 133333 plants ha−1, which may not be s...

Enlace original: https://cgspace.cgiar.org/handle/10568/77611

Investigación en Agricultura
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Kamara, A. ,  Tofa, A.I. ,  Kyei-Boahen, S. ,  Solomon, R. ,  Ajeigbe, Hakeem A. ,  Kamai, N. ,  [Effects of plant density on the performance of cowpea in Nigerian Savannas] ,  Effects of plant density on the performance of cowpea in Nigerian Savannas
Journal Article 2019-05-02

Autor: Manda, J. Alene, A. Hirpa Tufa, A. Abdoulaye, Tahirou Kamara, A. Olufajo, O. Boukar, O. Manyong, Victor M.

Cowpea covers the largest area of any grain legume in Africa and is especially important in West Africa where Nigeria and Niger alone account for over 75% of the total cowpea production in the world. Despite successes of international and national cowpea improvement research in the development an...

Enlace original: https://cgspace.cgiar.org/handle/10568/101319

Investigación en Agricultura
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Manda, J. ,  Alene, A. ,  Hirpa Tufa, A. ,  Abdoulaye, Tahirou ,  Kamara, A. ,  Olufajo, O. ,  Boukar, O. ,  Manyong, Victor M. ,  [Adoption and ex-post impacts of improved cowpea varieties on productivity and net returns in Nigeria] ,  Adoption and ex-post impacts of improved cowpea varieties on productivity and net returns in Nigeria
Journal Article 2006

Autor: Dugje, I.Y. Kamara, A. Omoigui, L.O.

Parasitism of crop plants by Striga species is a major constraint in the savanna zones of West Africa. Farmers ranked Striga as a leading constraint during a livelihood analysis of 30 communities in northeast Nigeria. A field survey was conducted to ascertain the extent of infestation by Striga s...

Enlace original: https://cgspace.cgiar.org/handle/10568/91787

Investigación en Agricultura
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Dugje, I.Y. ,  Kamara, A. ,  Omoigui, L.O. ,  [Infestation of crop fields by Striga species in the savanna zones of northeast Nigeria] ,  Infestation of crop fields by Striga species in the savanna zones of northeast Nigeria
Journal Article 2016-05-04

Autor: Omoigui, L.O. Kamara, A. Alunyo, G.I. Bello, L. Oluoch, M. Timko, M.P. Boukar, O.

The parasitic weed, Striga gesnerioides, is a major threat to cowpea productivity throughout the savannas of West and Central Africa. The identification of sources of S. gesnerioides resistance and their incorporation into breeding programs would be a beneficial strategy to combat the devastation...

Enlace original: https://cgspace.cgiar.org/handle/10568/74317

Investigación en Agricultura
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Omoigui, L.O. ,  Kamara, A. ,  Alunyo, G.I. ,  Bello, L. ,  Oluoch, M. ,  Timko, M.P. ,  Boukar, O. ,  [Identification of new sources of resistance to Striga gesnerioides in cowpea Vigna unguiculata accessions] ,  Identification of new sources of resistance to Striga gesnerioides in cowpea Vigna unguiculata accessions
Journal Article 2014

Autor: Kamara, A. Ekeleme, F. Jibrin, J.M. Tarawali, G. Tofa, A.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/75902

Investigación en Agricultura
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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
Journal Article 2013

Autor: Ewansiha, S.U. Kamara, A. Onyibe, J.E.

A field trial was conducted during the rainy seasons of 2008 and 2009 at Samaru in northern Guinea savannah of Nigeria to determine the performance of semi-determinate and indeterminate cowpea cultivars intercropped with extra early, early and late maize cultivars. The trial was laid out in a ran...

Enlace original: https://cgspace.cgiar.org/handle/10568/76424

Investigación en Agricultura
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Ewansiha, S.U. ,  Kamara, A. ,  Onyibe, J.E. ,  [Performance of cowpea cultivars when grown as an intercrop with maize of contrasting maturities] ,  Performance of cowpea cultivars when grown as an intercrop with maize of contrasting maturities
Journal Article 2014

Autor: Ewansiha, S.U. Kamara, A. Chiezey, U.F. Onyibe, J.E.

Cowpea-maize intercropping causes low yields of cowpea due to shading effect by maize plants. Staggering of dates of planting of cowpea in an intercrop is a potential way of reducing intercrop shading while increasing cowpea yield. Nonetheless, contrasting cowpea cultivars may have differential r...

Enlace original: https://cgspace.cgiar.org/handle/10568/75940

Investigación en Agricultura
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Ewansiha, S.U. ,  Kamara, A. ,  Chiezey, U.F. ,  Onyibe, J.E. ,  [Agronomic responses of diverse cowpea cultivars to planting date and cropping system] ,  Agronomic responses of diverse cowpea cultivars to planting date and cropping system
Journal Article 2018-07-02

Autor: Lado, A. Hussaini, M.A. Kamara, A.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/96124

Investigación en Agricultura
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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
Conference Paper 2002

Autor: Ortiz, R. Ekanayake, I.J. Mahalakshmi, V. Kamara, A. Menkir, A. Nigan, S.N. Singh, B.B. Saxena, N.P.
Enlace original: https://cgspace.cgiar.org/handle/10568/100004

Investigación en Agricultura
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Ortiz, R. ,  Ekanayake, I.J. ,  Mahalakshmi, V. ,  Kamara, A. ,  Menkir, A. ,  Nigan, S.N. ,  Singh, B.B. ,  Saxena, N.P. ,  [Development of drought resistant and water stress tolerant crops through traditional breeding] ,  Development of drought resistant and water stress tolerant crops through traditional breeding

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