ArticleFrontiers in plant science2023
Drought resistance index screening and evaluation of lettuce under water deficit conditions on the basis of morphological and physiological differences.
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 14 papers.
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14 citing papers in PubMed, 29 citations in OpenAlex.
- Genome-wide association study and functional validation ofHorticulture research · 2026Article
- Isolation and Characterisation of Plant Growth-Promoting Rhizobacteria for Improving Growth and Water/Salt Stress Resilience in Lettuce.Microorganisms · 2026Article
- Deciphering Drought Response Mechanisms in Oat Through Comprehensive Transcriptomic and Physiological Analysis.Plants (Basel, Switzerland) · 2026Article
- Modern approaches and future prospects in lettuce breeding for controlled environment agriculture.Frontiers in plant science · 2026Review
- Comprehensive evaluation of drought resistance of Melon (Cucumis melo L.) based on morphological and physiological traits.BMC plant biology · 2025Article
- Screening and Comprehensive Evaluation of Drought Resistance in Cotton Germplasm Resources at the Germination Stage.Plants (Basel, Switzerland) · 2025Article
- Identification and Comprehensive Evaluation of Drought Tolerance in Sorghum During Germination and Seedling Stages.Plants (Basel, Switzerland) · 2025Article
- Screening drought tolerance in potato germplasm resources in the northwestern region of China.BMC plant biology · 2025Article
- MADI: A multispectral automated dynamic imager to monitor plant health.Plant phenomics (Washington, D.C.) · 2025Article
- Response of Watermelon to Drought Stress and Its Drought-Resistance Evaluation.Plants (Basel, Switzerland) · 2025Article
- Comprehensive evaluation and screening of drought resistance in maize at germination and seedling stages.Frontiers in plant science · 2025Article
- Evaluation of drought-tolerant chickpea genotypes (Frontiers in plant science · 2025Article
- Abiotic stress-induced changes in Tetrastigma hemsleyanum: insights from secondary metabolite biosynthesis and enhancement of plant defense mechanisms.BMC plant biology · 2024Article
- Evaluation of growth, physiological response, and drought resistance of different flue-cured tobacco varieties under drought stress.Frontiers in plant science · 2024Article
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Authors and funding
11 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Introduction: Water is one of the important factors affecting the yield of leafy vegetables. Lettuce, as a widely planted vegetable, requires frequent irrigation due to its shallow taproot and high leaf evaporation rate. Therefore, screening drought-resistant genotypes is of great significance for lettuce production. Methods: In the present study, significant variations were observed among 13 morphological and physiological traits of 42 lettuce genotypes under normal irrigation and water-deficient conditions. Results: Frequency analysis showed that soluble protein (SP) was evenly distributed across six intervals. Principal component analysis (PCA) was conducted to transform the 13 indexes into four independent comprehensive indicators with a cumulative contribution ratio of 94.83%. The stepwise regression analysis showed that root surface area (RSA), root volume (RV), belowground dry weight (BDW), soluble sugar (SS), SP, and leaf relative water content (RWC) could be used to evaluate and predict the drought resistance of lettuce genotypes. Furthermore, the drought resistance ranks of the genotypes were similar according to the drought resistance comprehensive evaluation value (D value), comprehensive drought resistance coefficient (CDC), and weight drought resistance coefficient (WDC). The cluster analysis enabled the division of the 42 genotypes into five drought resistance groups; among them, variety Yidali151 was divided into group I as a strongly drought-resistant variety, group II included 6 drought-resistant genotypes, group III included 16 moderately drought-resistant genotypes, group IV included 12 drought-sensitive genotypes, and group V included 7 highly drought-sensitive genotypes. Moreover, a representative lettuce variety was selected from each of the five groups to verify its water resistance ability under water deficit conditions. In the drought-resistant variety, it was observed that stomatal density, superoxide anion ( Discussion: In summary, the identified genotypes are important because their drought-resistant traits can be used in future drought-resistant lettuce breeding programs and water-efficient cultivation.
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