１５％必杀防治棉蚜试验棉蚜是棉花生产的主要害虫之一，对棉花生产影响极大。为了有效地控制其为害，我们于１９９６年进行了１５％必杀乳油防治棉蚜的田间药效试验。供试药剂：①１５％必杀乳油由沈阳化工研究院提供；②４０％氧化乐果乳油（商店）。试验在辽宁省经济作... 15% kill kill cotton aphid test cotton aphid is one of the major pests in cotton production, a great impact on cotton production. In order to effectively control its damage, we conducted a field efficacy test of 15% of the nirvana to kill and control cotton aphid in 1996. Test agents: ① 15% kill the cream provided by the Shenyang Chemical Research Institute; ② 40% omethoate (stores). Experimental economy in Liaoning Province for ...