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测定了棉铃虫Helicoverpaarmigera抗氰戊菊酯种群及相对敏感种群不同组织微粒体的甲氧试卤灵 O 脱甲基酶、乙氧试卤灵 O 脱乙基酶、乙氧香豆素 O 脱乙基酶、芳烷基羟基化酶和艾氏剂环氧化酶的活性。结果表明 :抗性种群棉铃虫中肠组织的这 5种酶活性分别比敏感种群的活性提高了 11 2 9、 4 10、 2 6 6、 6 30和 2 34倍 ,其脂肪体及体壁的相应酶活性则分别为敏感种群的1 4 6、 6 80、 1 36、 4 0 5、 1 4 8倍和 12 32、 2 2、 1 33、 0 80和 0 5 1倍。两种群中 ,棉铃虫不同组织部位的各单加氧酶活性均不同 ,活性高低顺序在两种群间也不同。总体而言 ,均是中肠或脂肪体微粒体对不同底物的氧化代谢能力最强。
The determination of methoxyresistance O demethylase, ethoxyresoruenol O deethylase and ethoxycoumarin O deacetylase in Helicoverpa armigera population and the sensitive microsomes of Helicoverpa armigera Alkylase, aralkyl hydroxylase and aldrin cyclooxygenase activity. The results showed that the activities of these five enzymes in the midgut tissues of resistant cotton bollworm were increased by 11 2 9, 4 10, 2 6 6, 6 30 and 2 34 times, respectively, The corresponding enzyme activities were 146, 680, 136, 400, 148 and 1232, 21, 33 and 80 times sensitive populations, respectively. In both populations, the activities of monooxygenase in different tissue parts of H. armigera were different, and the order of activity was also different between the two populations. Overall, both midgut or fat body microsomes have the highest oxidative metabolism to different substrates.