Ectomycorrhizae and heavy metals resistance of higher plants

Abstract

Abstract: Ectomycorrhizae have been proved to be able to enhance higher plant to grow in the contaminated area.This paper reviewed achievement of studies on the heavy metal resistance of ectomycorrhizae in the last 20 years,and discussed the positive effect of ectomycorrhizae on the resistance of higher plant to heavy metals attribute to the following mechanisms such as sorption on the external mycelium; exudation of chelating substances and adjustment of fungus slime; filtration and sorption of metals in the hyphal sheath or Hartig net; and hydrophobicity of the hyphal sheath.Some suggestions for future research in this field were put forward based on the mentioned mechanisms.

Key words: Mangrove, Biomass, Net primary productivity

CLC Number:

X173

HUANG Yi, HUANG Zhiji. Ectomycorrhizae and heavy metals resistance of higher plants[J]. cje, 2005, (4): 422-427.

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