Dissecting the genetic architecture of pre-harvest sprouting tolerance in Indian dwarf wheat (Triticum sphaerococcum) by multi-locus association analysis.

ABSTRACT: Wheat, a major staple crop, contributes significantly to global protein and calorie intake. However, the increasing challenges posed by climate change and a growing population threaten its stable production. Pre-harvest sprouting (PHS), triggered by prolonged rainfall and humidity before harvest, significantly reduces wheat grain yield and quality. This study is the first to assess PHS tolerance (PHST) in a global collection of 116 T. sphaerococcum accessions, which were characterized at three different locations. A 35 K Axiom single nucleotide polymorphism (SNP) array was used to genotype these accessions and finally 15, 308 high quality SNPs were used to perform Genome-wide association studies (GWAS) employing two single-locus GWAS (SL-GWAS) and four multi-locus GWAS (ML-GWAS) models. Co

SUBMITTER: Sharma D 

PROVIDER: S-EPMC12708647 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature