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低温下水稻幼苗叶片细胞膜膜脂过氧化和膜磷脂脱酯化反应
李美茹; 刘鸿先; 王以柔;   
中国科学院华南植物研究所
摘要:
水稻幼苗遭遇冷胁迫(1℃,光照强度150μmol·m-2·s-1)2d,其叶片丙二醛(MDA)含量明显增加,酸性磷酸酯酶活性也增加,同时无机磷含量也增加。30mmol/L的CaCl2浸泡种子1d则削弱了冷胁迫的这种作用。H2O2和甲基紫精(MV)均有刺激幼苗叶片和离体根质膜酸性磷酸酯酶活性的作用。
关键词:  水稻幼苗  膜脂过氧化  膜磷脂脱酯化  冷胁迫  
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