Arsenic Distribution, Accumulation and Tolerance Mechanisms of Typha angustifolia in Different Phenological Growth Stages.
作者： Guiying Yang , Huan Zhong , Xue Liu , Chang’e Liu , Shiyu Li
DOI: 10.1007/S00128-020-02796-Y
关键词:
摘要: Variations of phytoaccumulation and tolerance in different growth stages plant are important factors for effective removal pollutants phytoremediation. The present work investigated arsenic (As) accumulation, As-tolerance the physiological mechanisms Typha angustifolia under As-level during seedling, fast-growing breeding stages. results showed that As mainly distributed underground part total accumulation increased with Maximum rates lower occurred seedling stage, whereas stage higher As. T. exhibited highest ability 150 mg kg−1 index (TI) varied from to During TI was affected by height (Hshoot) net photosynthesis, which control biomass production. Hshoot root glutathione (GSH) co-regulated As-tolerance. metabolic processes, especially GSH-mediated played a critical role improving
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