【摘要】 用16%虫线清乳油2 g/L液和1 g/L液分别喷杀桉树苗上的枝瘿姬小蜂,20 d后桉树枝瘿姬小蜂的幼虫死亡率分别为40.8%和33.0%,成虫校正死亡率分别为97.2%和88.7%。对枝条和叶片上虫瘿内的幼虫死亡率检查结果表明,叶片上幼虫死亡率略高于枝条上幼虫死亡率,但两者差异不显著。更多还原

【Abstract】 Using 16% Chongxianqing EC 1∶500 spraying and 1∶1 000 spaying control Leptocybe invasa,the results showed that on 20th day the mortalities of larvae were respective 40.8% and 33.0%,the corrected mortalities of adults were up to respective 97.2% and 88.7%.The mortalities of larvae in gall of branches and leaves were examined also,the results showed that the mortality is slightly higher in leaves than in branches,but the difference of the two sites was insignificant.更多还原