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    Genetic diversity and population structure of early-maturing tropical maize inbred lines using SNP markers

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    U19ArtAduGeneticInthomDev.pdf (914.0Kb)
    Date
    2019
    Author
    Adu, G.B.
    Badu-Apraku, B.
    Akromah, R.
    García Oliveira, A.L.
    Awuku, F.J.
    Gedil, M.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Information on genetic diversity and population structure are very important in any breeding programme for the improvement of traits of interest and the development of outstanding products for commercialization. In the present study, we assessed the genetic diversity of 94 early-maturing white and yellow tropical maize inbred lines using single nucleotide polymorphism (SNP) markers. The larger number of SNP markers used in this study allowed a clearer inference of the population structure of the 94 inbred lines. Cluster analysis resolved the inbred lines into different clusters based on their pedigree, selection history and endosperm colour. However, three heterotic groups were revealed by population structure analysis, but additional field evaluation could be more informative to confirm the heterotic groups identified. Nevertheless, wide genetic variability existed among the inbred lines making them unique with the potential to contribute new beneficial alleles to maize breeding programmes in the tropics, especially in the West and Central Africa (WCA) sub-region.
    https://dx.doi.org/10.1371/journal.pone.0214810
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/5795
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1371/journal.pone.0214810
    Research Themes
    BIOTECH & PLANT BREEDING
    IITA Subjects
    Genetic Improvement; Maize; Plant Genetic Resources
    Agrovoc Terms
    Genetic Diversity; Maize; Early Maturation; Genetic Markers
    Regions
    Africa; West And Central Africa
    Journals
    PLOS ONE
    Collections
    • Journal and Journal Articles4842
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