Identification of weed plants excluding the uptake of heavy metals

被引：95
作者：
Wei, SH
Zhou, QX [1 ]
Wang, X
机构：
[1] Chinese Acad Sci, Inst Appl Ecol, Key Lab Terr Ecol Proc, Shenyang 110016, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
ENVIRONMENT INTERNATIONAL | 2005年 / 31卷 / 06期
基金：
中国国家自然科学基金;
关键词：
weed species; heavy metal; contaminated soil; excluder; agricultural product; ecological safety;
D O I：
10.1016/j.envint.2005.05.045
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Using the field pot-culture and sample-analysis method, 54 weed species belonging to 20 families and 31 weed species belonging to 17 families were systematically examined as to whether they can exclude the uptake of heavy metals. After a systematic identification, it was determined that Oenothera biennis and Commelina communis were Cd-excluders and Taraxacum mongolicum was a Zn-excluder. O. biennis is a potential Cd-excluder, but also a potential Cu-excluder. The research raises the possibility of making a major breakthrough in the application of metal excluders for safe agro-production in the future. (C) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：829 / 834
页数：6
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