ArticleBMC plant biology2025
Multivariate screening of upland cotton genotypes reveals key traits for salt tolerance at the seedling stage.
Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Green synthesised zinc oxide nanoparticles mitigate salinity-induced oxidative stress inRSC advances · 2026Article
- Evaluation of uncharacterized quinoa (Frontiers in plant science · 2026Article
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3 authors.
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Abstract
backgroundSoil salinity poses a serious threat to cotton production worldwide by impairing growth, yield, and fiber quality. Salt stress disrupts key morphological, physiological, and biochemical processes in cotton plants, leading to considerable reductions in productivity. Therefore, identifying salt-tolerant cotton genotypes is essential for improving crop performance in saline environments.
methodsIn this study, fifty-one cotton genotypes were evaluated for their response to salinity stress at the seedling stage. Plants were grown in hydroponic culture under controlled glasshouse conditions and subjected to 200 mM NaCl to simulate salt stress. The experiment followed a completely randomized design (CRD) with three replications, and data were analyzed using two-way analysis of variance (ANOVA) and multivariate approaches, including principal component analysis (PCA), heatmap analysis, and the multi-trait genotype-ideotype distance index (MGIDI).
resultsANOVA showed significant variation among genotypes for all traits. Salt stress caused significant reductions in growth traits, including shoot and root length, fresh and dry biomass, water relation traits, gaseous exchange traits and photosynthetic pigments. In contrast, excised leaf water loss (ELWL), sodium (Na
conclusionThese findings suggest that multivariate and multi-trait screening at the seedling stage is a useful method for identifying cotton germplasm with salt tolerance, providing a foundation for breeding programs and further field evaluation that may contribute to stable yields under saline conditions.
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