Inderscience Publishers

Pteris multifida Poir., a new arsenic hyperaccumulator: characteristics and potential

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Courtesy of Inderscience Publishers

This paper reports a new arsenic hyperaccumulator, Pteris multifida Poir, a fern that grows widely in the southeast of China. The results show that the average arsenic content in the fronds was 1144.78 mg/kg, with a highest value of 2061 mg/kg. The average arsenic content in the roots was 692.7 mg/kg, and the average bioconcentration factor was 1.2, with a highest value of 1.78. The average translocation factor was 1.77, with a highest value of 3.13. The arsenic content in fronds was significantly correlated with the pH and the phosphorus available in the soil, but less correlated with the arsenic concentration in the soil. P.multifida Poir might accumulate the maximum arsenic in fronds when the soil-available phosphorus was 55 mg/kg and the soil pH was 8.34.

Keywords: arsenic hyperaccumulator, phytoremediation, Pteris multifida Poir, ferns, China, fronds, carcinogenic elements, health hazards, soil contamination, environmental pollution

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