ArticlePlants (Basel, Switzerland)2024
Exploring the Drought Tolerant Quantitative Trait Loci in Spring Wheat.
Article in Plants (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 6 citations in OpenAlex.
- A systems biology and QTL-based dissection of germination traits in Iranian wheat under normal and water-limited environments.Scientific reports · 2026Article
- Quantitative trait loci associated with drought stress tolerance in wheat primed with zinc oxide nanoparticles at seed germination and seedling stages.Scientific reports · 2026Article
- Integrating Agronomic Traits and Physiological Responses for Drought Resistance Screening in Wheat Germplasms.Plants (Basel, Switzerland) · 2026Article
- Exploring genomic loci and candidate genes associated with drought tolerance indices in spring wheat evaluated under two levels of drought.BMC plant biology · 2025Article
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
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Abstract
Drought-induced stress poses a significant challenge to wheat throughout its growth, underscoring the importance of identifying drought-stable quantitative trait loci (QTLs) for enhancing grain yield. Here, we evaluated 18 yield-related agronomic and physiological traits, along with their drought tolerance indices, in a recombinant inbred line population derived from the XC7 × XC21 cross. These evaluations were conducted under both non-stress and drought-stress conditions. Drought stress significantly reduced grain weight per spike and grain yield per plot. Genotyping the recombinant inbred line population using the wheat 90K single nucleotide polymorphism array resulted in the identification of 131 QTLs associated with the 18 traits. Drought stress also exerted negative impacts on grain formation and filling, directly leading to reductions in grain weight per spike and grain yield per plot. Among the identified QTLs, 43 were specifically associated with drought tolerance across the 18 traits, with 6 showing direct linkages to drought tolerance in wheat. These results provide valuable insights into the genetic mechanisms governing wheat growth and development, as well as the traits contributing to the drought tolerance index. Moreover, they serve as a theoretical foundation for the development of new wheat cultivars having exceptional drought tolerance and high yield potentials under both drought-prone and drought-free conditions.
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