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辣椒疫霉菌对不同辣椒品种抗病性相关酶活性的影响
引用本文:孙文秀,朱小慧. 辣椒疫霉菌对不同辣椒品种抗病性相关酶活性的影响[J]. 长江蔬菜, 2009, 0(12). DOI: 10.3865/j.issn.1001-3547.2009.12.024
作者姓名:孙文秀  朱小慧
作者单位:长江大学生命科学学院,湖北荆州,434025
基金项目:长江大学博士创新基金 
摘    要:对优质抗辣椒疫病品种海丰Zt-277、特大汤椒二号F1和感辣椒疫病品种天骄2号进行辣椒疫霉菌接种,测定了辣椒叶片中与抗病性相关的超氧化物歧化酶(SOD)、过氧化物酶(POD)的活性和丙二醛(MDA)的含量变化,结果表明,接种与未接种相比,抗病品种叶片中SOD,POD活性提高幅度要低于感病品种,MDA的含量提高幅度要高于感病品种.但不论辣椒疲霉菌接种与否,抗病品种辣椒叶片中SOD、POD活性高于感病品种;感病品种辣椒叶片中MDA含量高于抗病品种.

关 键 词:辣椒  抗病性  超氧化物歧化酶  过氧化物酶  丙二醛

Effects of Phytophthora capsici on Activities of Enzymes Related to Disease-resistance in Pepper
SUN Wenxiu,ZHU Xiaohui. Effects of Phytophthora capsici on Activities of Enzymes Related to Disease-resistance in Pepper[J]. Journal of Changjiang Vegetables, 2009, 0(12). DOI: 10.3865/j.issn.1001-3547.2009.12.024
Authors:SUN Wenxiu  ZHU Xiaohui
Affiliation:College of Life Science;Yangtze University;Jingzhou 434025
Abstract:Two resistant cultivars,Haifeng Zt-277(high resistant to Phytophthora blight),Tangjiao No.2(resistant to Phytophthora blight),and a susceptible cultivar Tianjiao No.2(susceptible to Phytophthora blight) were used as materials for Phytophthora capsici inoculation.The activities of enzymes related to disease-resistance including superoxide dismutase(SOD),peroxidase(POD) and the content of malondialdehyde(MDA) in pepper leaves were tested after the inoculation.The results indicated that the activities of SOD a...
Keywords:Pepper  Disease-resistance  Superoxide dismutase  Peroxidase  Malondialdehyde  
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