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Evaluation of drought-tolerant varieties based on root system architecture in cotton (Gossypium hirsutum L.) by Congcong Guo; Lingxiao Zhu; Hongchun Sun; Qiucheng Han; Shijie Wang; Jijie Zhu; Yongjiang Zhang; Ke Zhang; Zhiying Bai; Anchang Li; Liantao Liu; Cundong Li is a Agricultural and Biological Sciences article available to read on EtoBox.
What is Evaluation of drought-tolerant varieties based on root system architecture in cotton (Gossypium hirsutum L.) about?
## Abstract ## Background Root 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. ## Results So, 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 inde
Who reads Evaluation of drought-tolerant varieties based on root system architecture in cotton (Gossypium hirsutum L.)?
It is typically read by researchers, students, and practitioners in Agricultural and Biological Sciences.
- Author
- Congcong Guo; Lingxiao Zhu; Hongchun Sun; Qiucheng Han; Shijie Wang; Jijie Zhu; Yongjiang Zhang; Ke Zhang; Zhiying Bai; Anchang Li; Liantao Liu; Cundong Li
- Publisher
- Springer Science and Business Media LLC
- Published
- 2024
- Language
- EN
- Field
- Agricultural and Biological Sciences (Life Sciences)