Pedosphere 7(3): 207--210, 1997
ISSN 1002-0160/CN 32-1315/P
©1997 Soil Science Society of China
Published by Elsevier B.V. and Science Press
Commelina communis L.: Copper hyperaccumulator found in anhui province of China
TANG Shi-Rong, HUANG Chang-Yong and ZHU Zu-Xiang
Department of Soil Science, College of Environmental Sciences and Natural Resources, Zhejiang Agricultural University, Hangzhou 310029 (China)
      Commelina communis L. growing over some new copper mining wastelands at Bijiashan, Tongling City of Anhui Province, China, was found to be a copper hyperaccumulator. Its copper concentrations were 2707~6159 (4439±2434) mg kg-1, 369~831 (731±142) mg kg-1, and 429~587 (547±57) mg kg-1, respectively, in the roots, stems, and leaves. The soils supporting the growth of the species had a copper concentration ranging from 4620 to 5020 mg kg-1 and averaging 4835±262 mg kg-1, suggesting that the species could not only grow on heavily copper-contaminated soils but also accumulate extraordinarily high concentration of copper. Thus, it shows great potential in the phytoremediation of copper-contaminated soils, the restoration of mined land, geochemical prospecting, and the study of environmental pollution changes.
Key Words:  Anhui Province, Commelina communis L., copper hyperaccumulator
Citation: Tang, S. R., Huang, C. Y. and Zhu, Z. X. 1997. Commelina communis L.: Copper hyperaccumulator found in anhui province of China. Pedosphere. 7(3): 207-210.
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