| 辛氰和乐氰混剂对甘蓝桃蚜抗性演化的影响 |
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| 引用本文： | 陈年春,罗记台.辛氰和乐氰混剂对甘蓝桃蚜抗性演化的影响[J].植物保护学报,1994,21(3):269-274. |
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| 作者姓名： | 陈年春 罗记台 |
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| 作者单位： | 北京农业大学农业应用化学研究所, 北京 100094,北京农业大学农业应用化学研究所, 北京 100094 |
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| 基金项目： | 韩熹莱教授主持的"七·五"攻关项目 |
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| 摘 要： | 用辛硫磷与氰戊菊酯,乐果与氰戊菊酯的最佳配比及其相应单剂对甘蓝桃蚜进行抗性选育,汰洗２０代时桃蚜对两种混剂的抗性,分别为４．２０和２．６８倍,比相应单剂的抗性发展速度慢,尤其比氰戊菊酯单剂（２８９倍）更慢,表明上述两种混剂都可延缓桃蚜的抗性发展。用酶抑制剂进行增效应用测定结果表明：Ｋ１和ＴＰＰ对辛硫磷和乐果都有增效作用,尤以Ｋ１的增效作用更显著,其增效比分中辊为１０５３和３８,说明桃蚜对辛硫磷和乐
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| 关 键 词： | 桃蚜 辛氰混剂 乐氰混剂 抗性选育 酶抑制剂 |
THE EFFECTS OF MIXTURES OF PHOXIM (OR DIMETHOATE) AND FENVALERATE ON RESISTANT EVOLUTION IN GREEN PEACH APHIDS |
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| Chen Nianchun and Luo Jitai.THE EFFECTS OF MIXTURES OF PHOXIM (OR DIMETHOATE) AND FENVALERATE ON RESISTANT EVOLUTION IN GREEN PEACH APHIDS[J].Acta Phytophylacica Sinica,1994,21(3):269-274. |
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| Authors: | Chen Nianchun and Luo Jitai |
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| Institution: | Institute of Agricultural Applied Chemistry, Beijing Agricultural University, Beijing and Institute of Agricultural Applied Chemistry, Beijing Agricultural University, Beijing |
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| Abstract: | The green peach aphids (Myzus persicae Sul.) were selected in the green house with phoxim, dimethoate fenvalerate alone and mixtures of the later with each of the former. After twenty times selection,the resistant levels of green peach aphids of the above two mixture (4-20-and 2-68-fold) were lower than their individual components, especially fenvalerate (289-fold). The result clearly showed that the above two mixtures of phoxim (or dimethoate) and fenvalerate would delay the resistant development of green peach aphids than each components of mixture. Co-application of the detoxication enzyme inhibitors, such as K1,TPP,PB and SV1 with each of the above three insecticides to its selected colonies in the laboratory. The results showed that phoxim and dimethoate were significantly synergisted by KI and TPP, especially K1. The synergistic ratios were 1058-and 38-fold respectively. It showed that the resistant mechanism of green peach aphids against phoxim and dimethoate was in relative to increase the carboxylesterase activity, especially phoxim, PB and SV1 also could synergisted fenvalerate. It showed that the resistance of green peach aphids to fenvalerate were correlated with the mixed function oxidase (MFO) and esterase, especially MFO. |
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| Keywords: | green peach aphids mixtures of phoxim (or dimethoate) plus fenvalerate resistant development inhibitor of enzyme |
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