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Effect of La~(3+)on Activities of Antioxidant Enzymes in Wheat Seedlings under Mercury Stress
作者姓名:庞欣  王东红  彭安  张福锁  邢晓燕  李春俭
作者单位:1. State Key Laboratory of Environmental Aquatic Chemistry,Research Center for Eco Environmental Sciences,Chinese Academy of Sciences,Beijing 1000
基金项目:ProjectsupportedbytheNationalNaturalScienceFoundationofChina (2 9890 2 80 1)
摘    要:Since 1 970s ,REEs (rareearthelements)fertilizerhasbeenextensivelyresearchedonapplicationinagricultureandtheirphysiologi caleffects .Thereweremanyexperimentalda ta .SomeresearchersreportedthatREEscannotonlypromoteplantgrowth ,butalsoen hancethestresstolerance .…


Effect of La3+ on Activities of Antioxidant Enzymes in Wheat Seedlings under Mercury Stress
Pang Xin ,Wang Donghong ,Peng An ,Zhang Fusuo ,Xing Xiaoyan ,Li Chunjian.Effect of La~(3+)on Activities of Antioxidant Enzymes in Wheat Seedlings under Mercury Stress[J].Journal of Rare Earths,2002,20(3).
Authors:Pang Xin  Wang Donghong  Peng An  Zhang Fusuo  Xing Xiaoyan  Li Chunjian
Affiliation:Pang Xin 1,Wang Donghong 1,Peng An 1*,Zhang Fusuo 2,Xing Xiaoyan 1,Li Chunjian 2
Abstract:The effects of La(NO3)3 on the growth,activities of SOD,CAT and MDA content in shoots and roots of wheat seedlings under mercury stress were evaluated by the nutrient solution culture experiment. The results suggest that there is positive effect of La(NO3)3 on enhancing the activities of SOD,CAT,decrease of MDA content in shoots and roots of wheat seedlings during 0~5 d. But La(NO3)3 evens and cooperates with mercury when plants are too long under mercury stress. Mercury inhibits the growth of wheat seedlings more grievously.
Keywords:rare earths  lanthanum  mercury stress  catalase  superoxide dismutase  malondialdehyde  Trticum aestivum
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