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Toleration and Accumulation of Cotton to Heavy Metal-Potential Use for Phytoremediation

文献类型： 外文期刊

作者： Li, Changfeng 1 ; Zheng, Cangsong 2 ; Zhou, Kehai 2 ; Han, Wenbing 1 ; Tian, Changjiu 1 ; Ye, Sihong 1 ; Zhao, Changba 1 ;

作者机构： 1.Anhui Acad Agr Sci, Cotton Res Inst, 40 South Nongke Rd, Hefei 230001, Anhui, Peoples R China

2.Chinese Acad Agr Sci, Inst Cotton Res, State Key Lab Cotton Biol, 38 Huanghe St, Anyang 455000, Henan, Peoples R China

3.Anhui Agr Univ, Coll Life Sci, Hefei, Anhui, Peoples R China

关键词： Cotton; heavy metal; contaminated soil; tolerance; phytoremediation

期刊名称：SOIL & SEDIMENT CONTAMINATION （ 影响因子：2.061； 五年影响因子：1.801 ）

ISSN： 1532-0383

年卷期：

页码：

收录情况： SCI

摘要： Heavy metal contamination of agricultural soil has become a critical issue worldwide. A sustainable approach to mitigate heavy metal contamination is extremely important. Phytoremediation has been proved to be a well alternative for soil remediation as cost-effective, environment friendly, and esthetically pleasing. This review briefly elucidates heavy metal tolerance, uptake, and the corresponding mechanism in cotton, and discusses the risk of heavy metal residues and the socioeconomic benefits, to further assess cotton planting for phytoremediation of heavy metal-contaminated soils. Cotton plant has a relatively large biomass, a profuse toot system, and exhibits very excellent tolerance and enrichment capacity of heavy metals. Heavy metals residue in cotton was low. Especially, the content of heavy metal in the fiber, the main product of cotton, is obviously negligible. In brief, cotton as a fiber crop can be a promising candidate for phytoremediation of contaminated soils with heavy metals, which could minimize the risk of human food chain contamination and benefit in ecological and socioeconomic terms.

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