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《ACTA ECOLOGICA SINICA》 1997-05
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EFFECT OF Cd,Pb STRESS ON SCARENGING SYSTEM OF ACTIVATED OXYGEN IN LEAVES OF TOBACCO

Yan Chongling Hong Yetang * Fu Shunzhen Fang Chonghua Lei Jixiang ** Shen Qin (Guizhou Institution of Environmental Protection,Guiyang,550002,China) ( * Institute of Geochemistry Chinese Academy of Sciences,Guiyang,550002,China) ( **  
The effect of Cd,Pb stress on scarenging system of activated oxygen indicated that content of chlorophyll,chlorophyll a/b ratio and activity of CAT gradually decrease,the activity of SOD increase first and decrease afterwards,the activity of POD gradually increase with the consistency of Cd,Pb treatment.Between Cd and Pb,there is a synergistical action on effect of scarenging system of activated oxygen.The results indicated that Cd,Pb stress affect scarenging system of activated oxygen and result in imbalance of activated oxygen metabolism
【Fund】: 贵州省自然科学基金
【CateGory Index】: S572
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