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Accumulation and Tolerance Characteristics of Zinc in Agropyron cristatum Plants Exposed to Zinc-Contaminated Soil

文献类型： 外文期刊

作者： Meng, Lin 1 ; Guo, Qiang 1 ; Mao, Peichun 1 ; Tian, Xiaoxia 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Beijing Res & Dev Ctr Grass & Environm, Beijing 100097, Peoples R China

关键词： Agropyron cristatum;Translocation;Bioconcentration;Phytostabilization

期刊名称：BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY （ 影响因子：2.151； 五年影响因子：2.129 ）

ISSN： 0007-4861

年卷期： 2013 年 91 卷 3 期

页码：

收录情况： SCI

摘要： In phytoremediation, plants are used to stabilize or remove toxins from soil. In this study, a pot experiment was conducted in a greenhouse to evaluate the phytoremediation potential of Agropyron cristatum (Poaceae) grown on Zinc (Zn) contaminated soils. Results indicated that Zn accumulation in both shoots and roots increased with soil Zn concentration, and Zn concentrations in roots were greater than in shoots. A significantly negative correlation was found between translocation factor or bioconcentration factor values and Zn concentrations in soil. Overall, A. cristatum was Zn excluder with an innate capacity to tolerate Zn stress and may have potential for the phytostabilization of sites contaminated with Zn.

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