Genome-wide association mapping, phylogenetic study, and multivariate analysis of component traits of grain yield in wheat under heat stress conditions.

doi:10.1007/s11103-026-01695-w

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Genome-wide association mapping, phylogenetic study, and multivariate analysis of component traits of grain yield in wheat under heat stress conditions.

Plant molecular biology - 5 Mar 2026

Sivapragasam Ezhumalai, Taria Sukumar, Kumar Sudhir, Krishna Hari, Devate Narayana Bhat, Singh Biswabiplab, Allimuthu Elangovan, Raju Dhandapani, Kumar Ranjit Ranjan, Sahoo Rabi Narayan, Dalal Monika, Pandey Renu, Chinnusamy Viswanathan

Abstract excerpt

Heat stress negatively impacts key yield-contributing physiological traits in wheat, leading to a decrease in grain yield. Scanning of genomic regions linked to these traits, along with the identification of the most relevant candidate genes (CGs), is an effective strategy for developing heat-tolerant wheat cultivars in the near future. In this context, a genome-wide association mapping approach has been employed...

Topics

Triticum
Genome-Wide Association Study
Chromosome Mapping
Phylogeny
Heat-Shock Response
Polymorphism, Single Nucleotide
Quantitative Trait Loci
Multivariate Analysis
Linkage Disequilibrium

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Haplotypes

Edible Grain

Phenotype

Hot Temperature

Principal Component Analysis

Genotype

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PMID: 41784646
DOI: 10.1007/s11103-026-01695-w

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