Physiological indicators stress response of two Festuca arundinacea varieties under cadmium stress

doi:10.14088/j.cnki.issn0439-8114.2019.15.015

Abstract

Abstract: Two kinds of tall fescue（Festuca arundinacea） from Canada were used as materials to study and compare the effects of different concentrations of cadmium （Cd²⁺） on lipid peroxidation, protective enzyme activity and osmotic regulators of two kinds of tall fescue in greenhouse. The results showed that, under different concentrations of Cd²⁺ stress, turf-type tall fescue cultivar showed lower lipid peroxidation level, stronger antioxidant protective enzyme activity and more adaptive osmotic regulation level than slope-protected tall fescue cultivar. It was concluded that, turf-type tall fescue cultivar had better adaptability to Cd²⁺ stress and stronger ability to repair the soil polluted by heavy metals.

Key words: tall fescue（Festuca arundinacea）, cadmium, lipid peroxidation, anti-oxidative enzyme, osmotic substance

CLC Number:

HUANG Deng-feng, ZHAO Yun-lin. Physiological indicators stress response of two Festuca arundinacea varieties under cadmium stress[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(15): 68-71.

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Physiological indicators stress response of two Festuca arundinacea varieties under cadmium stress

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