用叶蝉散防治桔蚜

• 作 者: 吴智仁
• 机 构: 福建省仙游县经作站
• 出 处: 中国柑桔
• 发表日期: 1984年01期
• 关键词: 叶蝉散 桔蚜 若蚜 柑桔 抗药性 乐果乳油 剂型 乳油 药剂 天后

近年来,我县柑桔上的桔蚜出现了不同程度的抗药性。用20%乐果乳油800倍液进行防治,只能杀死若蚜,而对黑色成蚜基本无效。1982年起至83年春,我们在度尾、枫亭公社等地柑桔场,试用20%叶蝉散乳油O.2斤或2%叶蝉散粉剂2斤,分别加水100斤防治桔蚜,3天后检查,两种剂型的叶蝉散防治桔蚜效果均达95%以上,是一种防效好、成本低的药剂,可在生产上应用。

In recent years, my county orange citrus aphid showed varying degrees of resistance. Control with 20% dimethoate 800 times, can only kill aphids, but basically black aphid ineffective. From 1982 until the spring of 83, we at the end of tail, Maple Grove commune and other citrus fields, try 20% leaf cicada scattered EC O.2 kg or 2% leaf cicada scattered powder 2 pounds, respectively, 100 pounds of water to control orange aphid, After 3 days, the leaf cicadae disperse prevention and cure of two kinds of dosage forms reached more than 95%, which was a kind of medicine with good control effect and low cost, which could be applied in the production.