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《Journal of Mountain Agriculture and Biology》 2002-02
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Water stress and active oxygen metabolism

SHI Zhong jie 1, HU Zhe sen 1, LI Rong sheng 2(1.Forestry College of Fujian University of Agriculture and Forestry, Nanping 353001,China;2.Guangzhou Institute of Tropical Forestry, Chinese Academy of Forestry,Guangzhou 510520,China)  
The imposition of water stress leads to increase production of active oxygen in plant cell, but active oxygen species can't be scavenged in time by enzymatic and no enzymatic protecting system in plant and the producing capacity of active oxygen is better than scavenging capacity. So active oxygen metabolism doesn't balance and damages the plant. It discusses active oxygen metabolism in the water stress:(1) active oxygen species is produced by someways in the water stress and it may damage the plant; (2) the scavenging system of active oxygen species has a very important pole in the scavenging active oxygen species and the change of all kinds of protective enzyme in the water stress is very differerent.; (3) active oxygen metabolism has very intimate relation to the drought resistance of the plant, they may serve as the reference indexes to evaluate the drought resistant capacity and drought resistant Breeding.Suggestion has been proposed for further study on active oeygen.
【CateGory Index】: Q945.78
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