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41 zhong zhi wu jing you dui dan se ku wen de xun zheng huo xing
Author(s): 
Pages: 779-785
Year: Issue:  7
Journal: Acta Entomologica Sinica

Keyword:  淡色库蚊植物精油熏蒸活性卫生杀虫剂击倒中时(KT50);
Abstract: 为发现具有较高杀蚊活性的精油,推动植物精油类卫生杀虫剂的创制,本研究采用三角瓶熏蒸法测定了17科41种植物精油对淡色库蚊Culex pipiens pallens雌成蚊的熏蒸活性,并进一步采用密闭圆筒法验证其杀虫毒力大小。三角瓶熏蒸法测定表明,在12μL/L浓度下,留兰香油(spearmint oil)、薰衣草油(lavender oil)、山苍子油(Litsea cubeba oil)等26种精油均有较强的熏蒸作用,KT50小于15 min。该26种精油用密闭圆筒熏蒸法进一步测定表明,在浓度为10μL/L时,冬青油(wintergreen oil)、艾叶油(blumea oil)、薄荷油(peppermint oil)、桉叶油(Eucalyptus robusta oil)和蓝桉油(E.globulus oil)等植物精油熏蒸活性较强,其KT50分别为16.91,21.20,22.57,18.43和19.48 min。结果证明冬青油、艾叶油、薄荷油、桉叶油和蓝桉油等5种精油对淡色库蚊具有较强的熏蒸活性,具备作为淡色库蚊防控剂开发的潜力,值得进一步研究。
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