在各种储粮害虫防治的方法中,化学药剂防治直到目前仍占有重要位置。随着生产的发展,近年无论在药剂品种、类型及应用技术上,都有不少新的发展。一、现况简述防治储粮害虫的化学药剂主要用于大型仓库、立筒库、农村仓库、装具、加工厂及运输工具等方面。据美、英、加拿大、苏联等国的资料,目前在大型仓库、立筒仓库中常用的薰蒸剂,使用最多的是溴甲烷、四氯化碳、二氯乙烷混合剂、磷化氢等。氯化苦在 In a variety of stored grain pest control methods, chemical control until now still occupy an important position. With the development of production, there have been quite a few new developments in recent years in terms of variety, type and application of pharmaceuticals. First, the status quo Briefly prevention and control of stored chemical pesticides pests mainly used for large warehouses, vertical tube warehouse, rural warehouses, equipment, processing plants and transport and so on. According to the United States, Britain, Canada, the Soviet Union and other countries of the information currently in large warehouses, vertical storehouse commonly used fumigant, the most used is methyl bromide, carbon tetrachloride, dichloroethane mixture, phosphine, etc. . Chloropicrin in