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八种植物提取物对蔬菜害虫的室内毒力研究
引用本文:陈海珊,赵肃清,刘演,李典鹏,谢运昌,梁惠凌.八种植物提取物对蔬菜害虫的室内毒力研究[J].广西植物,2003,23(5):457-460.
作者姓名:陈海珊  赵肃清  刘演  李典鹏  谢运昌  梁惠凌
作者单位:广西壮族自治区,中国科学院,广西植物研究所,广西桂林,541006
基金项目:国家自然科学基金资助项目 (30 2 6 90 0 2 ),广西回国人员基金资助项目 (桂科回 0 0 0 90 0 7)
摘    要:研究了巴豆 (Croton tiglium L.)等八种植物的提取物对几种常见蔬菜害虫的非选择性拒食和毒杀作用。研究结果表明 :巴豆、青蒿、米仔兰等三种植物提取物在 0 .5 %浓度时对菜粉蝶 5龄幼虫的拒食率分别达到96 .36 %、82 .4 2 %和 86 .30 % ,对菜粉蝶 3龄幼虫的毒杀死亡率分别为 5 9.38%、2 8.1 3%和 4 3.75 % ;对黄曲条跳甲成虫的毒杀死亡率为 77.5 0 %、5 6 .2 5 %和 4 8.75 % ;对美洲斑潜蝇幼虫的毒杀死亡率分别为 83.33%、5 6 .6 7%和 73.33%。

关 键 词:植物提取物  蔬菜害虫  非选择性拒食作用  毒杀作用
文章编号:1000-3142(2003)05-0457-04
修稿时间:2003年2月25日

Toxicity study of eight kinds of plant extracts on vegetable pests
CHEN Hai-shan,ZHAO Su-qing,LIU Yan,LI Dian-peng,XIE Yun-chang,LIANG Hui-ling.Toxicity study of eight kinds of plant extracts on vegetable pests[J].Guihaia,2003,23(5):457-460.
Authors:CHEN Hai-shan  ZHAO Su-qing  LIU Yan  LI Dian-peng  XIE Yun-chang  LIANG Hui-ling
Abstract:The effect of eight kinds of the plant extracts on no-choice antifeeding characteristic and contact toxicity of several kinds of the vegetable pests were studied. The results are as follows: When the concentration of the extracts of Croton tiglium, Artemisia annua, Aglaia odorata reach 0.5%, the antifeeding ratios of 5th instar larvae of Pieris rapae were 96.36%, 82.42% and 86.30% respectively, the contact toxic mortality of the 3th instar larvae of P. rapae were 59.38%, 28.13% and 43.75% respectively, the contact toxic mortality of Phyllotreta strilata were 77.50%, 56.25% and 48.75% respectively, the contact toxic mortality of Liriomyza sativae were 83.33%, 56.67% and 73.33% respectively.
Keywords:plant extracts  vegetable pests  no-choice antifeeding effects  contact toxicity effects  
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