Physiological and metabolomic responses of adzuki bean (Vigna angularis) to individual and combined chilling and waterlogging stress

文献类型： 外文期刊

第一作者： Liang, Xiaoyan

作者： Liang, Xiaoyan;Du, Jidao;Li, Wan;Lu, Huan;Zhao, Shihong;Xiang, Hongtao;Du, Jidao

作者机构：

关键词： adzuki bean; chilling; waterlogging; combined stress; metabolomics; physiology response

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：4.8； 五年影响因子：5.7 ）

ISSN： 1664-462X

年卷期： 2025 年 16 卷

页码：

收录情况： SCI

摘要： Introduction Climate change exacerbates combined environmental stresses, leading to significant crop losses globally.Methods This study investigated the physiological and metabolomic responses of adzuki bean (Vigna angularis) leaves to individual and combined chilling-waterlogging stresses during the flowering stage.Results and discussion Results demonstrated that both stresses significantly inhibited photosynthesis, elevated reactive oxygen species accumulation, and induced membrane lipid peroxidation. Waterlogging exhibited more severe impacts, triggering extreme ABA accumulation and plant death at 4 days post-treatment, resulting in total yield loss. Notably, combined stresses induced antagonistic effects, reducing photosynthetic decline by 14.10-32.40% and mitigating oxidative damage by 5.79-10.75% compared to waterlogging alone after 4 days. Metabolomic analysis revealed that combined stress activated more metabolic pathways than individual stress, including flavone/flavonol biosynthesis and cGMP-PKG signaling, which are critical for plant adaptation.Conclusion This study provides valuable insights into the physiological and metabolic mechanisms underlying adzuki bean's response to combined chilling-waterlogging stress.

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