Indian Society of Genetics & Plant Breeding

Candidate gene-based characterization of common bean genotypes

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A set of 96 common bean genotypes were characterized
using 25 candidate gene based SSR markers associated
with yield traits. Twenty three SSR markers were found
polymorphic and their discriminatory power estimation was
performed on the basis of PIC, resolving power and marker
index that mainly explain ability of molecular markers to
distinguish genotypes. An average of 0.33 PIC was observed
where highest value was exhibited by the primer BM184.
The primers BM170 and Bmd8 generated four alleles
whereas BM170 showed maximum marker index of 1.28
and highest resolving power of 1.89 was found in case of
primer BM180. Further, the genotypes were grouped in three
major clusters based on DARwin5 software. High level of
genetic diversity observed within the genotypes could be
used to accelerate genetic improvement of germplasm in
common bean targeting yield attributing traits.

Keywords: Common bean, candidate genes, yield traits, SSR


Year: 2018
Volume: 78
Issue: 3
Article DOI: 10.31742/IJGPB.78.3.15
Print ISSN: 0019-5200
Online ISSN: 0975-6906



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