| 鄂尔多斯半日花水煮膏对小菜蛾的毒杀作用 |
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| 引用本文： | 杨文思,田蕾,刘强.鄂尔多斯半日花水煮膏对小菜蛾的毒杀作用[J].内蒙古师范大学学报(自然科学版),2007,36(2):202-204. |
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| 作者姓名： | 杨文思 田蕾 刘强 |
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| 作者单位： | 天津师范大学化学与生命科学学院,天津300074 |
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| 摘 要： | 用鄂尔多斯半日花（Helianthemum ordosicum）水煮膏配制不同浓度的溶液，采用微量点滴法研究其对小菜蛾幼虫的触杀活性,以叶片浸毒法研究其胃毒活性．结果表明，鄂尔多斯半日花水煮膏溶液对小菜蛾幼虫有很好的触杀和胃毒作用，经25g／L溶液处理，7d后的矫正死亡率均达到70％以上．
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| 关 键 词： | 鄂尔多斯半日花 小菜蛾 毒杀 |
| 文章编号： | 1001-8735（2007）02-0202-03 |
| 收稿时间： | 2006-08-05 |
| 修稿时间： | 2006年8月5日 |
Toxicity of the Extract from Helianthemum ordosicum Against Plutella xylostella |
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| YANG Wen-si,TIAN Lei,LIU Qiang.Toxicity of the Extract from Helianthemum ordosicum Against Plutella xylostella[J].Journal of Inner Mongolia Normal University(Natural Science Edition),2007,36(2):202-204. |
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| Authors: | YANG Wen-si TIAN Lei LIU Qiang |
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| Institution: | College of Chemistry and Life Science, Tianjin Normal University, Tianjin 300074, China |
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| Abstract: | Toxicity of extract from Helianthemum ordosicum against larvae of Plutella xylostella was studied by micro topical application and stomach toxicity studied by leaf in poison. The results showed that extract of H. ordosicurn had toxicity to P. xylostella and the corrected mortality at 25 g/L is over 70 after seven days. |
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| Keywords: | Helianthemum ordosicum Plutella xylostella toxicity |
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