Biological effect of rare-earth elements on anti-oxidation enzymes in wheat under acid rain stress
Biological effect of rare-earth elements on anti-oxidation enzymes in wheat under acid rain stress作者机构:Guizhou Inst Environm Protect Guiyang 550002 Peoples R China Chinese Acad Sci State Key Lab Environm Geochem Guiyang 550002 Peoples R China
出 版 物:《Chinese Science Bulletin》 (中国科学通报)
年 卷 期:1999年第44卷第2期
页 面:146-149页
核心收录:
学科分类:083002[工学-环境工程] 0830[工学-环境科学与工程(可授工学、理学、农学学位)] 07[理学] 08[工学] 09[农学] 0903[农学-农业资源与环境] 0713[理学-生态学]
基 金:Natural Science Foundation of Guizhou Province (943029)
主 题:acid rain stress rare-earth elements wheat anti-oxidation enzymes.
摘 要:Based on pot-culture experiments, the biological effect of rare-earth elements (REE) on antioxidation enzymes of wheat under acid rain stress was studied. The results show that both acid rain and REE can affect the activity of anti-oxidation enzymes of wheat to different extents. Under the acid rain stress, anti-oxidation enzymes (CAT, SOD) of wheat showed single peak curve with the decrease of pH values. After REE were applled, variation of activities of anti-oxidation enzymes was relatively stable and the peak value of variation curve would move in the direction of increased acidity. Under low acidity of acid rain, REE could reduce the sensitivity of anti-oxidation enzymes of wheat to acid rain stress significantly and promote the resistance of anti-oxidation enzymes of wheat to acid rain.