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Phytoextraction Ability of Amaranthus mangostanus L. from Contaminated Soils with Cs or Sr | OMICS International | Abstract
ISSN: 2155-6199

Journal of Bioremediation & Biodegradation
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Research Article

Phytoextraction Ability of Amaranthus mangostanus L. from Contaminated Soils with Cs or Sr

Wang Dan1,2*, Zhang Xiaoxue1, Luo Xuegang2 and Tang Yunlai1,2
1College of Life Science and Engineering, Southwest University of Science and Technology, China
2Defense Key Laboratory of the Nuclear Waste and Environmental Security, China
Corresponding Author : Wang Dan
College of Life Science and Engineering
Southwest University of Science and Technology, China
Tel: +86-816-6089126
E-mail: [email protected]
Received December 29, 2014; Accepted February 24, 2015; Published February 27, 2015
Citation: Dan W, Xiaoxue Z, Xuegang L, Yunlai T (2015) Phytoextraction Ability of Amaranthus mangostanus L. from Contaminated Soils with Cs or Sr. J Bioremed Biodeg 6:277. doi:10.4172/2155-6199.1000277
Copyright: © 2015 Dan W, et al. This is an open-a ccess 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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Abstract

The uptake, distribution, and accumulation of 133Cs and 88Sr with its antioxidant responses in Amaranthus mangostanus L plants was studied during cultivation in outdoor potted-soil. The results showed that the uptake capacity of Amaranthus for 133Cs was higher than that for 88Sr at the same molarity treatment where the concentration of 88Sr or 133Cs in the soil was from 0.1 mmol/kg to 5 mmol/kg. The maximum 133Cs and 88Sr uptake of total plant was 3535.2 mg/kg dw and 639.4 mg/kg, respectively. Amaranth had much stronger capacity for absorbing 133Cs than for 88Sr. The 133Cs BCF of amaranth above-ground part and its total plant at the different concentrtion treatments in the soil was higher than for the 88Sr BCF except at the 0.1 mmol/kg treatments. The TF was lower in the lower concentration (0.1 and 0.5 mmol/kg) than that in the higher concentration of 133Cs and 88Sr in the soil (1 and 5 mmol/ kg). Amaranth could be used as a potential candidate plant for phytoremediation of 137Cs and 90Sr. The MDA content under 88Sr stress was higher than that under 133Cs stress, and the activities of CAT under 88Sr stress were less than that under 133Cs stress.

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