Genomic Insights for Wheat: Linkage and Association Mapping Identify Regions for Yield and Drought Tolerance Traits

This study utilized combined linkage analysis and association mapping in wheat to identify genomic regions associated with both yield and drought tolerance. Evaluating 304 accessions under well-watered and rain-fed water stress conditions, the research pinpointed 11 co-localized genomic regions related to yield traits and drought response values. Notably, a region on chromosome 2D associated with thousand kernel weight (TKW) was identified, with a key candidate gene, TraesCS2D02G142500. The study highlights molecular targets, such as a rare haplotype (Hap-2), offering insights for breeding high-yield, drought-tolerant wheat varieties.

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