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使用防护剂处理粮食防治害虫,自古以来,即知道将一些植物如艾、苍耳等或草灰等加在储粮中防虫。但真正有效的防护药剂的使用是自从合成的有机农药出现开始的。自二次大战期间出现了有机氯杀虫剂滴滴涕和六六六以来,丙体六六六(林丹)是一种首先被推出和被广泛应用的防护剂。但是由于有机氯杀虫剂的累积中毒问题,丙体六六六已基本停止使用。继之而起的是五十年代推出的有机磷防护剂马拉硫磷,这种防护剂是一个高效低毒的杀虫剂品种,杀虫效力高,对高等动物毒性低,它经受了三十年的考验,直到目前仍是一个广泛使用的优秀的防护剂品种。近年来,由于新的高效低毒的杀虫剂的开发,又出现了一些性能优良的防护剂品种,并已获得实际采用,估计今后仍会有优秀的防护剂新品种出现。为使用好防护剂,
The use of protective agent to deal with pest control of grain, since ancient times, that is, some plants such as Ai, Xanthium, etc., or grass ash plus grain stored in pest control. However, the use of truly effective protective agents has started with the emergence of synthetic organic pesticides. Since the emergence of the organochlorine pesticides DDT and BHC during the Second World War, CAC66 (Lindane) is the first to be introduced and widely used as a protective agent. However, due to the cumulative poisoning of organochlorine pesticides, C66 has basically ceased to be used. Followed by the fifties launched organic phosphorus protective agent malathion, this protective agent is a high efficiency and low toxicity of insecticide species, insecticidal efficacy of high toxicity to higher animals, it has experienced three Ten years of testing, until now is still a widely used species of excellent protective agent. In recent years, due to the development of new high-efficiency and low-toxicity insecticides, some excellent protective agent varieties have appeared and have been actually adopted. It is estimated that there will still be outstanding new varieties of protective agents in the future. In order to use a good protective agent,