文献类型: 外文期刊
作者: Ashraf, Umair 1 ; Kanu, Adam Sheka 1 ; Mo, Zhaowen 1 ; Hussain, Saddam 3 ; Anjum, Shakeel Ahmad 4 ; Khan, Imran 5 ; Ab 1 ;
作者机构: 1.South China Agr Univ, Coll Agr, Dept Crop Sci & Technol, Guangzhou 510642, Guangdong, Peoples R China
2.Minist Agr, Sci Observing & Expt Stn Crop Cultivat South Chin, Guangzhou 510642, Guangdong, Peoples R China
3.Huazhong Agr Univ, Coll Resources & Environm, Wuhan 430070, Hunan, Peoples R China
4.Univ Agr Faisalabad, Dept Agron, Faisalabad 38040, Punjab, Pakistan
5.Univ Agr Faisalabad, De
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:
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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.
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