In-situ cadmium phytoremediation using solanum nigrum L. : the bio-accumulation characteristics trail

Ji, Puhui, Song, Yufang, Sun, Tieheng, Liu, Yang, Cao, Xiufeng, Xu, Dong, Yang, Xiaoxia and McRae, Tom 2011, In-situ cadmium phytoremediation using solanum nigrum L. : the bio-accumulation characteristics trail, International journal of phytoremediation, vol. 13, no. 10, pp. 1014-1023.

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Title In-situ cadmium phytoremediation using solanum nigrum L. : the bio-accumulation characteristics trail
Author(s) Ji, Puhui
Song, Yufang
Sun, Tieheng
Liu, Yang
Cao, Xiufeng
Xu, Dong
Yang, Xiaoxia
McRae, Tom
Journal name International journal of phytoremediation
Volume number 13
Issue number 10
Start page 1014
End page 1023
Publisher Taylor & Francis Inc.
Place of publication Philadelphia, Pa.
Publication date 2011
ISSN 1522-6514
Keyword(s) cadmium
solanum nigrum L.
Summary In this study, Solanum nigrum L. was used in-situ for Cd phytoremediation in Cd polluted soil on Shenyang Zhangshi Irrigation area (SZIA) in 2008. The performance of the plant over the whole growth stage was assessed. Results showed, during the whole experimental stage, the aboveground biomass of single Solanum nigrum L. grew by a factor of 190, from 1.6 ± 0.4 g to 300.3 ± 30.2 g with 141.2 times extracted Cd increase from 0.025 ± 0.001 to 3.53 ± 0.16 mg. Both the distribution of biomass and amount of extracted Cd in the aboveground part of the plant changed according to the growth of the plant. Particularly, the percentage of biomass and extracted Cd in the stem increased from 20% to 80% and from 11% to 69%, respectively. The bioconcentration factor and transfer factor both varied significantly during the growth of the plant and the lowest values were measured at the flowering stage (0.94 ± 0.31 and 3.48 ± 1.14 respectively). The results in this paper provide reference values for the future research on the application of Solanum nigrum L. in phytoremediation and on chemical or/and agricultural strategies for phytoextraction efficiency enhancement.
Language eng
Field of Research 050299 Environmental Science and Management not elsewhere classified
Socio Economic Objective 961202 Rehabilitation of Degraded Farmland, Arable Cropland and Permanent Cropland Environments
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2011, Taylor & Francis Group, LLC
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