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    Genetic diversity, population structure and key phenotypic traits driving variation within soyabean (Glycine max) collection in Ghana

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    S19ArtDenwarGeneticInthomDev.pdf (675.9Kb)
    Date
    2019
    Author
    Denwar, N.N.
    Awuku, F.J.
    Diers, B.
    Addae‐Frimpomaah, F.
    Chigeza, G.
    Oteng‐Frimpong, R.
    Puozaa, D.K.
    Barnor, M.T.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Soybean [Glycine max (L.) Merrill] is an important oilseed crop worldwide and it has recently become the crop of interest in Ghana. In this study, 142 soybean accessions were genotyped with 34 SSR markers and concurrently evaluated for five quantitative and two qualitative phenotypic traits. Twenty‐nine of the SSR markers were polymorphic with mean allele number of 5.3, polymorphic information content (PIC) of 0.51 and gene diversity of 0.55. Molecular analysis based on unweighted paired group arithmetic mean (UPGMA) clustering and principal coordinate analysis (PCoA) was similar in explaining the extent of diversity within the accessions. Structure analysis placed most of the accessions into two subpopulations with 18 (12.7%) as admixtures. Principal component analysis (PCA) based on phenotypic traits revealed two clusters. Both UPGMA clustering‐based SSR data and PCA from phenotypic data showed similar results. The assembled germplasm is genetically diverse with high variation in flowering and maturity period, and key yield components which could be exploited in developing superior varieties well adapted to Ghana and West Africa.
    https://dx.doi.org/10.1111/pbr.12700
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/5801
    Non-IITA Authors ORCID
    Godfree Chigezahttps://orcid.org/0000-0002-9235-0694
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1111/pbr.12700
    IITA Subjects
    Genetic Improvement; Grain Legumes; Plant Genetic Resources; Soybean
    Agrovoc Terms
    Genes; Germplasm; Maturity; Population Structure; Soybeans; Genotypes; Ssrna Viruses; Genetic Diversity; Phenotypic Variation
    Regions
    Africa; West Africa
    Countries
    Ghana
    Journals
    Plant Breeding
    Collections
    • Journal and Journal Articles4835
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