植物粗提物对淡色库蚊幼虫的生物活性  

Influence of plant crude extract on the biological activity of Culex pipiens pallens

作　　者：刘丽娟[1] 陈晨[2] 王海防[1] 郭秀霞[1] 程鹏[1] 王新国[1] 赵玉强[1] 王怀位[1] 

机构地区：[1]山东省医学科学院,山东省寄生虫病防治研究所,山东济宁272033 [2]中国人民解放军内蒙古军区第四干休所卫生所

出　　处：《公共卫生与预防医学》2014年第5期11-14,共4页Journal of Public Health and Preventive Medicine

基　　金：山东省科技发展计划项目(2010GSF10207);山东省自然科学基金项目(ZR2009CQ029)

摘　　要：目的筛选对淡色库蚊有生物活性的植物资源,为植物源农药的开发研制提供理论依据。方法分别利用水、乙醇和丙酮3种溶剂提取植物的有效成分,测定不同溶剂植物粗提物对淡色库蚊幼虫的生物活性,挑选12种效果好的植物,进一步研究其乙醇提取物对淡色库蚊幼虫的毒杀效果。结果 55种供试植物中有43种植物对淡色库蚊幼虫有生物活性,12种植物的乙醇提取物24 h对淡色库蚊幼虫的LC50<3 mg/ml,其中7种植物的LC50<1mg/ml。结论自然界中对淡色库蚊有生物活性的植物种类多,为植物源农药的开发研制提供了资源。Objective The purpose of this study was to find new plant materials for controlling Culex pipiens pallens,so as to provide evidence for the development of botanical pesticides.Methods Effective component extracts were taken from plants by utilizing ethanol,acetone and water respectively.The influence of crude extracts from plants against Cx.pipiens pallens was measured in the laboratory.Toxic effects of ethanol extracts from twelve species of active plants were tested to observe the influence on the larvae of Cx.pipiens pallens.Results The results showed that among the 55 plants,43 species showed good insecticidal against the larvae of Cx.pipiens pallens.12 plant-ethanol extracts showed LC50（24 h） below the concentration of 3 mg /ml.Among them,7 plant-ethanol extracts showed LC50（24 h） below the concentration of 1 mg/ml.Conclusions There are many species of active plants influecing the biological activity of Cx.pipiens pallens in nature,therefore providing rich resources for the development of botanical pesticides.

关 键 词：淡色库蚊 植物提取物 杀虫活性 

分 类 号：R282.71[医药卫生—中药学]