Abstract
Genome-wide association studies (GWAS) face several design and methodological challenges that complicate the identification of genuine marker-trait associations (MTAs) for complex traits in crops. A post-GWAS genomic assessment of previously reported MTAs on Chromosomes 2 and 9 for Sclerotinia stem rot (SSR) resistance in soybean was conducted using an independent cross-validation panel. Results showed a significantly higher frequency of resistance (R) alleles and lower frequency of susceptible (S) alleles in partially resistant (PR) cultivars. This study presents promising findings regarding the utility of previously identified SSR resistance MTAs and introduces a valuable new approach for post-GWAS MTA validation.
Published Version
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