Lead toxicity in rice: effects, mechanisms, and mitigation strategies-a mini review

文献类型： 外文期刊

第一作者： Ashraf, Umair

作者： Ashraf, Umair;Kanu, Adam Sheka;Mo, Zhaowen;Tang, Xiangru;Ashraf, Umair;Kanu, Adam Sheka;Mo, Zhaowen;Tang, Xiangru;Hussain, Saddam;Anjum, Shakeel Ahmad;Khan, Imran;Abbas, Rana Nadeem

作者机构：

关键词： Biochar;Lead;Photosynthesis;Phytoremediation;Respiration;Rice

期刊名称：ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH （ 影响因子：4.223； 五年影响因子：4.306 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Lead (Pb) is a major environmental pollutant that affects plant morpho-physiological and biochemical attributes. Its higher levels in the environment are not only toxic to human beings but also harmful for plants and soil microbes. We have reviewed the uptake, translocation, and accumulation mechanisms of Pb and its toxic effects on germination, growth, yield, nutrient relation, photosynthesis, respiration, oxidative damage, and antioxidant defense system of rice. Lead toxicity hampers rice germination, root/shoot length, growth, and final yield. It reduces nutrient uptake through roots, disrupts chloroplastic ultrastructure and cell membrane permeability, induces alterations in leaves respiratory activities, produces reactive oxygen species (ROS), and triggers some enzyme and non-enzymatic antioxidants (as defense to oxidative damage). In the end, biochar amendments and phytoremediation technologies have been proposed as soil remediation approaches for Pb tainted soils.

分类号： X5`X

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