]*>","")" /> Determination of Activities of Aphis gossypii Glover and Security of Natural Enemies by Plant Extracts in Xinjiang
Xinjiang Agricultural Sciences

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Determination of Activities of Aphis gossypii Glover and Security of Natural Enemies by Plant Extracts in Xinjiang

QIANG Song;YUAN Wen-jin;MA De-ying;GUO Dong-xue;ZHANG Fan;JIANG Yun-tao;WEN Xiao-juan   

  • Received:2008-02-25 Revised:2008-02-25 Online:2008-02-25 Published:2008-02-25

新疆植物提取物对棉蚜的活性及天敌安全性测定

羌松;袁文金;马德英;郭冬雪;张帆;姜运涛;温晓娟   

  1. 新疆农业大学农学院,乌鲁木齐,830052





摘要： 用甲醇冷浸法提取新疆20种野生植物提取物,在室内分别测定其对棉蚜24 h的触杀和内吸生物活性,结果表明:0903T2等18种植物的甲醇提取物对棉蚜的触杀活性都比较高,24 h校正死亡率均在90;以上;而内吸活性均较差,最高校正死亡率仅达65.9;.0903T2提取物对天敌安全性测定表明,在40 g/L高浓度下对两种棉田优势天敌七星瓢虫和多异瓢虫的校正死亡率仅达12.47;和23.08;,显示出较高的安全性.