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Genetic diversity of a Bambara groundnut germplasm representing accessions from 25 African countries, maintained at the International Institute of Tropical Agriculture (IITA; Nigeria) was evaluated based on seed patterns, qualitative characters, quantitative traits and Diversity Arrays Technique ...


Olukolu, B.A.Mayes, S.Stadler, F.Ng, N.Q.Fawole, I.Dominique, D.Azam-Ali, S.N.Abbott, A.G.Kole, C.[Genetic diversity in bambara groundnut (Vigna subterranea (L.) verdc.) as revealed by phenotypic descriptors and DArT marker analysis]Genetic diversity in bambara groundnut (Vigna subterranea (L.) verdc.) as revealed by phenotypic descriptors and DArT marker analysis

Reports the findings of a mission carried out by the International Institute of Tropical Agriculture in Zimbabwe to gather genetic resources of cowpea, rice, bambarra groundnut and their wild relatives. 461 samples of 365 species were collected. Sampling was made over 140 sites of both natural ve...


Padulosi, S.Ng, N.Q.[Collecting germplasm in Zimbabwe]Collecting germplasm in Zimbabwe
Jagtap, S.S.Ng, N.Q.[Integrating a geographic information system with germplasm databases]Integrating a geographic information system with germplasm databases
Ng, S.Y.C.Ng, N.Q.[Germplasm conservation in food yams (Dioscorea spp.): constraints, application and future prospects]Germplasm conservation in food yams (Dioscorea spp.): constraints, application and future prospects
Ng, S.Y.C.Ng, N.Q.[Cassava in vitro germplasm management at the International Institute of Tropical Agriculture]Cassava in vitro germplasm management at the International Institute of Tropical Agriculture

Cowpea (V. unguiculata) represents the main food legume in tropical Africa. Germplasm collecting missions launched over the past 10 years have provided genebanks with a wide array of variability within the cultivated and wild taxa of the species. Based on detailed studies on morphological diversi...


Padulosi, S.Ng, N.Q.[Origin, taxonomy and morphology of Vigna unguiculata (L.) Walp]Origin, taxonomy and morphology of Vigna unguiculata (L.) Walp

The genus Vigna comprises seven subgenera and sixteen sections. Cowpea, Vigna tingnicnlatti (L.) Walp.. is an important grain legume crop in sub-Saharan Africa and belongs to the subgenus Vigna. section Ctitiang. Morphologically, cowpea genotypes appear very variable. However, a high level of gen...


Fatokun, C.A.Perrino, P.Ng, N.Q.[Wide crossing in African Vigna species]Wide crossing in African Vigna species

Knowledge of the genetic relationships and variability among cultivated germplasm is important for facilitating the transfer of useful genes and maximizing the use of available germplasm resources. In this study, random amplified polymorphic DNA (RAPD) markers were used to assess genetic diversit...


Mignouna, H.D.Ng, N.Q.Ikea, J.Thottappilly, G.[Genetic diversity in cowpea as revealed by random amplified polymorphic DNA]Genetic diversity in cowpea as revealed by random amplified polymorphic DNA

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