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Position: Home > Articles > Effect of Selenium on Root Oxidizing Ability and Yield of Rice under Ferrous Stress Journal of Northeast Agricultural University(English Edition) 2004,11 (1)

Effect of Selenium on Root Oxidizing Ability and Yield of Rice under Ferrous Stress

作  者:
QI Xin;LIU Yuan-ying;SONG Tian-xing
单  位:
;Faculty of Natural Resource and Environmental Science, Northeast Agricutural University, Harbin Heilongjiang 150030, PRC
关键词:
selenium;ferrous stress;rice;oxidizing ability of root;yield
摘  要:
To study the effects of selenium on root oxidizing ability and yield of rice under ferrous stress a pot culture experiment was conducted, the activity of glutathione peroxidase (GSH-Px) and the concentration of malon-aldelyde (MDA) were determined. The root oxidizing ability and yield characters of rice were examined. Results showed that appropriate amount of Se enhanced the activity of glutathione peroxidase and the oxidizing ability of rice roots significantly reduced the concentration of MDA, increased 1000-grain weight of rice, F= 26.96~(**), decreased empty and blighted grain rate, increased the rice yield, F= 11.53~(**) and enhanced the rice resistance under ferrous stress.

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