Abstract
Bambara groundnut (Vigna subterranea (L.) Verdc) is an underexploited crop with the opportunity to address some critical food requirements as it is a high-nutritional alternative food. This study aimed at characterising genetic diversity using Diversity Array Technologies Sequence Low Density (DArTseqLD) Single Nucleotide Polymorphism (SNP) markers in order to identify genomic variation that can be used for crop improvement by plant breeders. One hundred eighty-eight samples were selected for genotyping using DArTseqLD SNP markers. The study generated 1048 DArTseqLD SNP markers. Analysis of molecular variance (AMOVA) revealed 84 % and 13 % variation among and within the Bambara groundnut germplasm respectively, 3 % variation was observed among the populations. Cluster analysis based on genotypic data grouped the 188 samples into 9 clusters. Based genotypic data, it can be concluded that there is a significant degree of genetic diversity in the germplasm genotyped that can be used by plant breeders in crop improvement program.
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