ArticleBMC plant biology2024
Evaluation of drought-tolerant varieties based on root system architecture in cotton (Gossypium hirsutum L.).
Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Interactions between the arbuscular mycorrhizal fungus Acaulospora delicata, wheat, and aphids under drought stress.Mycorrhiza · 2026Article
- Genome-Wide Characterization and Expression Profiling of theLife (Basel, Switzerland) · 2026Article
- Genetic Diversity Analysis of 96Genes · 2026Article
- Integrating multivariate selection indices with weighted rank aggregation to identify drought-tolerant Populus simonii × P. nigra FBMC plant biology · 2026Article
- Integrative decision-support framework identifies drought-resilient sugar beet genotypes under water-limited conditions.Scientific reports · 2025Article
- Genome-wide association study of Ethiopian barley germplasm reveals putative genomic loci underlying root system architectural traits at seedling stage.BMC plant biology · 2025Article
- Screening and Comprehensive Evaluation of Drought Resistance in Cotton Germplasm Resources at the Germination Stage.Plants (Basel, Switzerland) · 2025Article
- Response of Watermelon to Drought Stress and Its Drought-Resistance Evaluation.Plants (Basel, Switzerland) · 2025Article
- Impact of "dry sowing and wet emergence" water regulation on cotton soil water and salt dynamics, root growth and yield.Frontiers in plant science · 2025Article
- Cotton under heat stress: a comprehensive review of molecular breeding, genomics, and multi-omics strategies.Frontiers in genetics · 2025Review
- Tailoring Tomato (Scientifica · 2025Article
- Comprehensive evaluation of maize germplasm for alkali tolerance during germination.Frontiers in plant science · 2025Article
- Physio-morphological and molecular characterization of ethyl methanesulfonate-derived mutant population of3 Biotech · 2024Article
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12 authors.
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Abstract
backgroundRoot system architecture (RSA) exhibits significant genetic variability and is closely associated with drought tolerance. However, the evaluation of drought-tolerant cotton cultivars based on RSA in the field conditions is still underexplored.
resultsSo, this study conducted a comprehensive analysis of drought tolerance based on physiological and morphological traits (i.e., aboveground and RSA, and yield) within a rain-out shelter, with two water treatments: well-watered (75 ± 5% soil relative water content) and drought stress (50 ± 5% soil relative water content). The results showed that principal component analysis identified six principal components, including highlighting the importance of root traits and canopy parameters in influencing drought tolerance. Moreover, the systematic cluster analysis was used to classify 80 cultivars into 5 categories, including drought-tolerant cultivars, relatively drought-tolerant cultivars, intermediate cultivars, relatively drought-sensitive cultivars, and drought-sensitive cultivars. Further validation of the drought tolerance index showed that the yield drought tolerance index and biomass drought tolerance index of the drought-tolerant cultivars were 8.97 and 5.05 times higher than those of the drought-sensitive cultivars, respectively.
conclusionsThe RSA of drought-tolerant cultivars was characterised by a significant increase in average length-all lateral roots, a significant decrease in average lateral root emergence angle and a moderate root/shoot ratio. In contrast, the drought-sensitive cultivars showed a significant decrease in average length-all lateral roots and a significant increase in both average lateral root emergence angle and root/shoot ratio. It is therefore more comprehensive and accurate to assess field crop drought tolerance by considering root performance.
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