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.
关键词:鄂尔多斯半日花 小菜蛾 毒杀 水煮膏
单位:天津师范大学化学与生命科学学院; 天津300074
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