期刊
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
卷 91, 期 3, 页码 298-301出版社
SPRINGER
DOI: 10.1007/s00128-013-1039-y
关键词
Agropyron cristatum; Translocation; Bioconcentration; Phytostabilization
资金
- Beijing Academy of Agriculture and Forestry Sciences (BAAFS) [KJCX201101003]
- International Cooperation and Exchange Project of China [2008DFR30200]
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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