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  • Title: Manganese uptake and interactions with cadmium in the hyperaccumulator--Phytolacca Americana L.
    Author: Peng K, Luo C, You W, Lian C, Li X, Shen Z.
    Journal: J Hazard Mater; 2008 Jun 15; 154(1-3):674-81. PubMed ID: 18068296.
    Abstract:
    In the present study, the accumulation of Mn and other metals by Phytolacca Americana L. from contaminated soils in Hunan Province, South China, was investigated. Results showed that the average concentrations of Mn in the leaves and roots reached 2198 and 80.4 mg kg(-1) (dry weight), respectively, with a maximum 13,400 mg kg(-1) in the leaves. A significant correlation was found between Mn concentrations in the plant leaves and those in the corresponding soils. Hydroponic experiments were also conducted to study the Cd uptake ability and interactions between Mn and Cd in the plant. It was found that P. americana hyperaccumulated not only Mn, but also Cd in the leaves. In the presence of Cd, adding Mn to the solution significantly improved the plant growth and reduced the concentrations of Cd in all organs of the plant.
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