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Journal Article 2019

Autor: Ulzen, J. Abaidoo, R.C. Ewusi-Mensah, N. Masso, C.

Low concentrations of P and organic manure in savanna soils limit cowpea response to rhizobia. The study was conducted to determine the combined effect of P and organic manure on cowpea response to rhizobia in a factorial experiment arranged in randomized complete block design with three replicat...

Enlace original: https://cgspace.cgiar.org/handle/10568/105569

Investigación en Agricultura
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Ulzen, J. ,  Abaidoo, R.C. ,  Ewusi-Mensah, N. ,  Masso, C. ,  [Combined application of inoculant, phosphorus and organic manure improves grain yield of cowpea] ,  Combined application of inoculant, phosphorus and organic manure improves grain yield of cowpea
Journal Article 2018-10-30

Autor: Fatokun, C. Girma, G. Abberton, M.T. Gedil, M. Unachukwu, N.N. Oyatomi, O. Yusuf, M. Rabbi, Ismail Y. Boukar, O.

The International Institute of Tropical Agriculture maintains the world’s largest collection of cowpea germplasm of over 15,000 accessions. A sub-set of 298 lines from the loosely composed mini core collection of 370 landraces were genotyped based on genotyping by sequencing (GBS). Ward’s minimum...

Enlace original: https://cgspace.cgiar.org/handle/10568/98296

Investigación en Agricultura
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Fatokun, C. ,  Girma, G. ,  Abberton, M.T. ,  Gedil, M. ,  Unachukwu, N.N. ,  Oyatomi, O. ,  Yusuf, M. ,  Rabbi, Ismail Y. ,  Boukar, O. ,  [Genetic diversity and population structure of a mini-core subset from the world cowpea (Vigna unguiculata (L.) Walp.) germplasm collection] ,  Genetic diversity and population structure of a mini-core subset from the world cowpea (Vigna unguiculata (L.) Walp.) germplasm collection
Journal Article 2019-02

Autor: Durojaye, H.A. Moukoumbi, Y.D. Dania, V.O. Boukar, O. Bandyopadhyay, Ranajit Ortega-Beltran, A.

Cowpea is an important protein source for human populations in many nations across sub-Saharan Africa (SSA). However, cowpea production is constrained by bacterial blight (CoBB) caused by Xanthomonas axonopodis pv. vignicola (Xav), a disease affecting most cowpea-growing areas. A large proportion...

Enlace original: https://cgspace.cgiar.org/handle/10568/98286

Investigación en Agricultura
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Durojaye, H.A. ,  Moukoumbi, Y.D. ,  Dania, V.O. ,  Boukar, O. ,  Bandyopadhyay, Ranajit ,  Ortega-Beltran, A. ,  [Evaluation of cowpea (Vigna unguiculata (L.) Walp.) landraces to bacterial blight caused by Xanthomonas axonopodis pv. vignicola] ,  Evaluation of cowpea (Vigna unguiculata (L.) Walp.) landraces to bacterial blight caused by Xanthomonas axonopodis pv. vignicola
Journal Article 2018-10-12

Autor: Whitehouse, K.J. Owoborode, O.F. Adebayo, O.O. Oyatomi, O.A. Olaniyan, A.B. Abberton, M.T. Hay, F.R.

Maximizing seed longevity is important for genebanks to efficiently manage their accessions, reducing the frequency of costly regeneration cycles and the loss of genetic integrity. Research on rice seeds has shown that subsequent longevity in air-dry storage can be improved by drying seeds, which...

Enlace original: https://cgspace.cgiar.org/handle/10568/97853

Investigación en Agricultura
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Whitehouse, K.J. ,  Owoborode, O.F. ,  Adebayo, O.O. ,  Oyatomi, O.A. ,  Olaniyan, A.B. ,  Abberton, M.T. ,  Hay, F.R. ,  [Further evidence that the Genebank standards for drying orthodox seeds may not be optimal for subsequent seed longevity] ,  Further evidence that the Genebank standards for drying orthodox seeds may not be optimal for subsequent seed longevity
Journal Article 2018-07-02

Autor: Suzuki, K. Fatokun, C.A. Boukar, O.

Cowpea [Vigna unguiculata (L.) Walp.] plays an important role in the livelihoods of the people of sub-Saharan Africa, but phosphorus (P) deficiency in soils is a serious problem that contributes to low productivity. This study was conducted to verify the efficiency of indigenous rock phosphate (R...

Enlace original: https://cgspace.cgiar.org/handle/10568/96557

Investigación en Agricultura
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Suzuki, K. ,  Fatokun, C.A. ,  Boukar, O. ,  [Responses of cowpea genotypes to indigenous rock phosphate application] ,  Responses of cowpea genotypes to indigenous rock phosphate application
Journal Article 2018-07-01

Autor: Ndungu, S.M. Messmer, M.M. Ziegler, D. Gamper, H.A. Mészáros, E. Thuita, Moses N. Vanlauwe, Bernard Frossard, Emmanuel Thonar, C.

Cowpea (Vigna unguiculata L. Walp.) is an important African food legume suitable for dry regions. It is the main legume in two contrasting agro-ecological regions of Kenya as an important component of crop rotations because of its relative tolerance to unpredictable drought events. This study was...

Enlace original: https://cgspace.cgiar.org/handle/10568/92900

Investigación en Agricultura
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Ndungu, S.M. ,  Messmer, M.M. ,  Ziegler, D. ,  Gamper, H.A. ,  Mészáros, E. ,  Thuita, Moses N. ,  Vanlauwe, Bernard ,  Frossard, Emmanuel ,  Thonar, C. ,  [Cowpea (Vigna unguiculata L. Walp) hosts several widespread bradyrhizobial root nodule symbionts across contrasting agro-ecological production areas in Kenya] ,  Cowpea (Vigna unguiculata L. Walp) hosts several widespread bradyrhizobial root nodule symbionts across contrasting agro-ecological production areas in Kenya
Journal Article 2017-11-27

Autor: Gyogluu, C. Mohammed, M. Jaiswal, S.K. Boahen, S. Dakora, F.D.

Host range and cross-infectivity studies are important for identifying rhizobial strains with potential for use as inoculants. In this study, 10 native soybean rhizobia isolated from Mozambican and South African soils were evaluated for host range, symbiotic effectiveness and ability to induce hi...

Enlace original: https://cgspace.cgiar.org/handle/10568/96111

Investigación en Agricultura
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Gyogluu, C. ,  Mohammed, M. ,  Jaiswal, S.K. ,  Boahen, S. ,  Dakora, F.D. ,  [Assessing host range, symbiotic effectiveness, and photosynthetic rates induced by native soybean rhizobia isolated from Mozambican and south African soils] ,  Assessing host range, symbiotic effectiveness, and photosynthetic rates induced by native soybean rhizobia isolated from Mozambican and south African soils
Journal Article 2017

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
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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 2001-04

Autor: Asawalam, D.O. Hauser, S.

Greenhouse and field studies were conducted to determine the effect of earthworm casts on the production of maize and cowpea. In pot experiments with mixtures of soil and casts, shoot and root dry matter (OM) of maize and cowpea increased with increasing proportion of casts. Shoot OM of cowpea an...

Enlace original: https://cgspace.cgiar.org/handle/10568/103671

Investigación en Agricultura
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Asawalam, D.O. ,  Hauser, S. ,  [Effects of earthworm casts on crop production] ,  Effects of earthworm casts on crop production
Journal Article 2019

Autor: Ishikawa, H. Drabo, I. Joseph, B.B. Muranaka, S. Fatokun, C. Boukar, O.

omparative analysis of preferences and key criteria for selecting cowpea (Vigna unguiculata L. Walp.) varieties was conducted using the data collected from farmers’ participatory varietal selection (FPVS) activities conducted over 3 years with a total of 2401 farmers (1230 male and 1171 female) i...

Enlace original: https://cgspace.cgiar.org/handle/10568/102434

Investigación en Agricultura
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Ishikawa, H. ,  Drabo, I. ,  Joseph, B.B. ,  Muranaka, S. ,  Fatokun, C. ,  Boukar, O. ,  [Characteristics of farmers’ selection criteria for cowpea (Vigna unguiculata) varieties differ between north and south regions of Burkina Faso] ,  Characteristics of farmers’ selection criteria for cowpea (Vigna unguiculata) varieties differ between north and south regions of Burkina Faso

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