论文部分内容阅读
多年来的实践证明,要提高防治病、虫、草害的效果,关键是切实做到“四个适宜”: 一、药剂适宜。要求对症施药,其要点有五: 1、什么害虫用什么药。如棉铃虫、红铃虫、地老虎、水稻螟虫、玉米螟、豆类螟等咀嚼式口器害虫,则对症施用敌百虫,西维因、1605、杀螟松、杀虫双、甲胺磷、克百威等胃毒剂和触杀剂农药;对蚜虫、红蜘蛛、盲蝽象、蓟马、飞虱、潜叶蝇、黑尾叶蝉等刺吸式口器害虫,则
Practice over the years has proved that to improve the prevention and treatment of diseases, pests and weeds, the key is to effectively “four suitable”: First, the appropriate agent. Requires symptomatic drug application, the main points are five: 1, what pests with what medicine. Such as cotton bollworm, pink bollworm, tiger, rice stem borer, corn borer, bean borer and other chewing mouthparts insects, the symptomatic administration of trichlorfon, civenide, 1605, fenitrothion, insecticide double, methylamine Phosphorus, carbofuran and other stomach poison and touch pesticides; aphids, spider mites, lizards, thrips, planthoppers, leaf miner,