【摘要】 用灭幼脲Ⅲ号等 6种农药单剂及其 5种混剂对杨小褐舟蛾 [Micromelalophatroglodyta(Graeser) ]进行林间喷洒和室内生测试验。结果表明 ,林间喷洒质量浓度为 12 5 0 ,166 7,333 3mg/L的灭幼脲Ⅲ号 ,7～ 10d后防治效果均可达 10 0 %。室内分别于喷药 1,5 ,6,12 ,2 1d后采叶接虫饲养 ,灭幼脲Ⅲ号的杀虫效果均可达 10 0 % ,和有机磷杀虫剂药效相当 ,但持效期延长了 10d以上。更多还原

【Abstract】 Dimilin Ⅲ and other insectides and their mixtures were used to control Micromelalopha troglodyta (Graeser)in the forest and laboratory.The results showed that by spraying 125 0,166 7 and 333 3 mg/L of dimilin Ⅲ in forest,their control effects could reach 100% in 7～10 days.While M.troglodyta were feed on the leaves collected from the tress sprayed with dimilin Ⅲ,in 1,5,6,12 and 21 days respectively the control effects of dimilin Ⅲ all could reach 100%.Equal to the other insecticides,the control effects prolonged for another 10 days and more.更多还原