熏蒸剂对于储粮害虫有较强的杀伤力,目前常用的熏蒸剂主要是磷化氢,溴甲烷,其次是氯化苦,这些药剂对于稂食、油料等经过熏蒸杀虫处理后留有不同程度的残留量,同时我们粮食库存量和吞吐量大,每年熏蒸处理虫害粮也大,所以对储粮害虫防治人员来说,对上述药剂接触次数也较多,这些药剂对人的毒性也较强,在防治储粮害虫实践中急需要对害虫及虫卵有较高的杀伤效果,对人体毒性不高且无积累性中毒的熏蒸剂。 Fumigants for stored grain pests have a greater lethality, the most commonly used fumigant is mainly phosphine, methyl bromide, followed by chloropicrin, these agents for food, oil and other fumigation insecticide treatment left to varying degrees Of the residue, while our food stocks and throughput, fumigation pest grain is also large each year, so the stored grain pest control personnel, the number of exposure to these agents are more toxic to these agents are also stronger , In the practice of prevention and control of stored grain pests in urgent need of pests and eggs have a higher killing effect on human toxicity is not high and no cumulative poisoning fumigant.