ArticleFrontiers in plant science2023
Mapping of QTLs for morphophysiological and yield traits under water-deficit stress and well-watered conditions in maize.
Article in Frontiers in plant science, 2023. 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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4 citing papers in PubMed, 20 citations in OpenAlex.
- Identification of a robust QTL hotspot across environments governing drought tolerance in lentil (Lens culinaris Medikus).BMC genomics · 2026Article
- Drought stress memory in maize: understanding and harnessing the past for future resilience.Plant cell reports · 2025Review
- Breeding for resistance to maize streak virus: challenges, progress and future directions: a review.Frontiers in plant science · 2025Review
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8 authors at 2 institutions in 1 country.
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Abstract
Maize productivity is significantly impacted by drought; therefore, improvement of drought tolerance is a critical goal in maize breeding. To achieve this, a better understanding of the genetic basis of drought tolerance is necessary. Our study aimed to identify genomic regions associated with drought tolerance-related traits by phenotyping a mapping population of recombinant inbred lines (RILs) for two seasons under well-watered (WW) and water-deficit (WD) conditions. We also used single nucleotide polymorphism (SNP) genotyping through genotyping-by-sequencing to map these regions and attempted to identify candidate genes responsible for the observed phenotypic variation. Phenotyping of the RILs population revealed significant variability in most of the traits, with normal frequency distributions, indicating their polygenic nature. We generated a linkage map using 1,241 polymorphic SNPs distributed over 10 chromosomes (chrs), covering a total genetic distance of 5,471.55 cM. We identified 27 quantitative trait loci (QTLs) associated with various morphophysiological and yield-related traits, with 13 QTLs identified under WW conditions and 12 under WD conditions. We found one common major QTL (
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