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干旱对大豆叶片膜脂过氧化作用的影响
引用本文:许长成,邹琦.干旱对大豆叶片膜脂过氧化作用的影响[J].山东农业大学学报(自然科学版),1991,22(2):111-115.
作者姓名:许长成  邹琦
作者单位:山东农业大学植物生理教研室 (许长成),山东农业大学植物生理教研室(邹琦)
摘    要:

关 键 词:大豆  干旱  膜脂  膜脂过氧化

EFFECT OF DROUGHT ON MEMBRANE LIPID PEROXIDATION IN LEAVES OF SOYBEAN(GLYCINE MAX(L.)MERR.)
Xu Changcheng Zou Qi.EFFECT OF DROUGHT ON MEMBRANE LIPID PEROXIDATION IN LEAVES OF SOYBEAN(GLYCINE MAX(L.)MERR.)[J].Journal of Shandong Agricultural University,1991,22(2):111-115.
Authors:Xu Changcheng Zou Qi
Abstract:Lipid peroxidation in leaves of pot-cultured soybean plants induced by water stress was studied.Increasing duration of stress produced a proportional increase in the specificactivity of superoxide dismutase (SOD) and the content of malon a dehyde (MDA),but de-creased the total activity of SOD and the index of unsaturated fatty acid (IUFA) of mem-brane lipids.H_2O_2 accumulated rapidly after the starting of stress.Hardening pretreatmentlowered the degree of leaf membrane alterations after stress that was determined byelectrolyte leakage measurements and by MDA levels.The IUFA of membrane lipids andthe level of H_2O_2 were also less affected by water stress in leaves of soybean plants culturedwith low water supply.The relation between water stress induced lipid peroxidation anddrought resistance were discussed.
Keywords:soybean  water stress  lipid peroxidation  membrane lipid
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