Joint effects of arsenic and cadmium on plant growth and metal bioaccumulation: A potential Cd-hyperaccumulator and As-excluder Bidens pilosa L
文献类型：期刊论文
| 作者 | Sun, YB ; Zhou, QX ; Liu, WT ; An, J ; Xu, ZQ ; Wang, L |
| 刊名 | JOURNAL OF HAZARDOUS MATERIALS
 |
| 出版日期 | 2009 |
| 卷号 | 165期号:1-3页码:1023-1028 |
| 关键词 | Bidens pilosa L. Cd-hyperaccumulator Phytoremediation Co-contamination of Cd and As Joint effect |
| ISSN号 | 0304-3894 |
| 通讯作者 | Zhou, QX, Chinese Acad Sci, Inst Appl Ecol, Key Lab Terr Ecol Proc, Shenyang 110016, Peoples R China |
| 中文摘要 | Joint effects of arsenic (As) and cadmium (Cd) on the growth of Bidens pilosa L. and its uptake and accumulation of As and Cd were investigated using the field pot-culture experiment. The results showed that single Cd (<= 25 mg kg(-1)) and As (<= 50 mg kg(-1)) treatments could promote the growth of B. pilosa, resulting in 34.5-104.4% and 21.0-43.0%, respectively, increase in the dry biomass of shoots while compared with that under the control conditions. However. under the co-contamination of As and Cd, there was an antagonistic effect on the growth of the plant. The concentrations of As and Cd accumulated in tissues of the plant increased with an increase of As and Cd in soils. In particular, the levels of Cd in stems and leaves reached 103.0 and 110.0 mg kg(-1), respectively. when soil Cd was 10 mg kg(-1). Furthermore, the BF and TF values of Cd were greater than 1.0. However, the highest content of As in roots of the plant was only 13.5 mg kg(-1) when soil As was at a high level, i.e. 125 mg kg(-1), and the TF values of As were less than 0.1, indicating that B. pilosa can be considered as a potential Cd hyperaccumulator and As excluder. The presence of As had inhibitory effects oil Cd absorption by the plant, in particular, the accumulation of Cd in stems, leaves and shoots decreased significantly, with 42.8-53.1, 49.3-66.4 and 37.6-59.5%, respectively, reduction when the level of soil As was up to 125 mg kg(-1) compared with that under no addition of As. Whereas, when Cd was added to soils, it could facilitate As accumulation in tissues of the plants and the As concentrations in shoots increased with increasing Cd spiked in soils. The interactive effects of Cd and As may be potential for phytoremediation of Cd and/or As contamination soils. (C) 2008 Elsevier B.V. All rights reserved. |
| 学科主题 | Engineering, Environmental; Engineering, Civil; Environmental Sciences |
| 收录类别 | SCI |
| 资助信息 | Ministry of Science and Technology, People's Republic of China [2006AA06Z386]; Joint Sino-Russian Centre of Natural Resources and Eco-Environmental Science, Chinese Academy of Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000266121700137 |
| 公开日期 | 2011-09-23 |
| 源URL | [http://210.72.129.5/handle/321005/54151]  |
| 专题 | 沈阳应用生态研究所_沈阳应用生态研究所_期刊论文 |
| 推荐引用方式 GB/T 7714 | Sun, YB,Zhou, QX,Liu, WT,et al. Joint effects of arsenic and cadmium on plant growth and metal bioaccumulation: A potential Cd-hyperaccumulator and As-excluder Bidens pilosa L[J]. JOURNAL OF HAZARDOUS MATERIALS,2009,165(1-3):1023-1028. |
| APA | Sun, YB,Zhou, QX,Liu, WT,An, J,Xu, ZQ,&Wang, L.(2009).Joint effects of arsenic and cadmium on plant growth and metal bioaccumulation: A potential Cd-hyperaccumulator and As-excluder Bidens pilosa L.JOURNAL OF HAZARDOUS MATERIALS,165(1-3),1023-1028. |
| MLA | Sun, YB,et al."Joint effects of arsenic and cadmium on plant growth and metal bioaccumulation: A potential Cd-hyperaccumulator and As-excluder Bidens pilosa L".JOURNAL OF HAZARDOUS MATERIALS 165.1-3(2009):1023-1028. |
入库方式： OAI收割
来源：沈阳应用生态研究所
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