辽细辛精油对淡色库蚊的杀伤作用  

Insecticidal Activity of Asarum heterotropoidesc var.mandshuricum Essential Oils against Culex pipiens pallens

作　　者：王桂清[1] 姬兰柱[1] 张弘[1] 

机构地区：[1]中国科学院沈阳应用生态研究所

出　　处：《中国生物防治》2008年第2期112-115,共4页Chinese Journal of Biological Control

基　　金：中国科学院知识创新方向性项目(KZCX1-SW-19);中国科学院农办重点项目

摘　　要：采用浸渍法和三角瓶法,测定了辽细辛精油对淡色库蚊幼虫的毒杀作用,对蚊成虫的熏蒸、触杀作用。结果表明,辽细辛精油对淡色库蚊幼虫有较强的毒杀作用,24h的LC50为25.047mg/L,LC90为31.994mg/L;对成虫有较好的熏蒸作用,LC50和LC90分别为69.354mg/L和140.33mg/L,KT50和KT90分别为19.329min和52.848min。The insecticidal activity of essential oils from Asarum heterotropoides Fr. Schmidt var. mandshuricum （Maxim） Kitag. on larvae and adults of Culex pipiens pallens was examined by immersion method and Erlenmeyer flask method. The asamm essential oils showed high insecticidal activity on larvae of C. pipienspallens, LC50 （24 h） being 25.047 mg/L and LC90 （24 h）, 31.994 mg/L. The asamm essential oils also had high fumigant action on adults of C. pipiens pallens, LC50 being 69. 354 mg/L and LC90, 140.33 mg/L, KT50 being 19.329 min and KT90, 52.848 min.

关 键 词：辽细辛 精油 淡色库蚊 毒杀作用 熏蒸作用 

分 类 号：S482.39[农业科学—农药学]