alexa Effect of Chelating Agents on Copper, Zinc, and Lead Uptake by Sunflower, Chinese Cabbage, Cattail, and Reed for Different Organic Contents of Soils | OMICS International| Abstract
ISSN: 2161-0525

Journal of Environmental & Analytical Toxicology
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  • Research Article   
  • J Environ Anal Toxicol 2012, Vol 2(6): 145
  • DOI: 10.4172/2161-0525.1000145

Effect of Chelating Agents on Copper, Zinc, and Lead Uptake by Sunflower, Chinese Cabbage, Cattail, and Reed for Different Organic Contents of Soils

T. Y. Yeh* and C. T. Pan
Department of Civil and Environmental Engineering, National University Of Kaohsiung, Taiwan
*Corresponding Author : T. Y. Yeh, Department of Civil and Environmental Engineering, National University Of Kaohsiung, Kaohsiung 811, Taiwan, Tel: 886- 7-591-9536, Fax: 886-7-591-9376, Email: [email protected]

Received Date: Nov 18, 2011 / Accepted Date: May 28, 2012 / Published Date: May 30, 2012

Abstract

Phytoremediation is a green remediation technology for clean-up contaminated soils. The effect of chelant addition including EDTA, DTPA, EDDS, and citric acid on phtoextraction of metals within different organic contents of soil into sunflower (Helianthus annuus), Chinese cabbage (Brassica campestris), cattail (Typha latifolia), and reed (Phragmitescommunis) was investigated in this pot experiment study. The application of 5 mmol/kg EDTA and DTPA had inhibitory effects on the growth of the plants, resulting in % reduction in biomass, respectively, compared with that in the control. However, the uptake of metal into tested plants and translocation to aerial plant parts was also demonstrated. The essential metals Cu and Zn uptake by sunflowers were significantly enhanced via citric acid addition. The other three chelants (EDTA, DTPA, and EDDS) did not improve the Cu and Zn root uptake nor above ground parts translocation compared to the control plant. The addition of 5 mmol/Kg citric acid achieved the maximum extent of phytoextraction.

Keywords: Phytoextraction; Chelating agents; Heavy metals

Citation: Yeh TY, Pan CT (2012) Effect of Chelating Agents on Copper, Zinc, and Lead Uptake by Sunflower, Chinese Cabbage, Cattail, and Reed for Different Organic Contents of Soils. J Environ Anal Toxicol 2: 145. Doi: 10.4172/2161-0525.1000145

Copyright: © 2012 Yeh TY, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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