我省从1958年开始,大量使用有机合成农药防治水稻害虫,其中用时最久、用量最大的是对稻螟的防治。农药品种起始为六六六,随后是甲六粉、甲基1605等,近年多为甲胺磷、杀虫双、杀虫脒等。上述杀虫剂的使用为水稻丰收起了保证作用,但由于长期广泛使用,使害虫产生了耐药性与抗药性,这就迫使许多地方简单地采取提高用药量和 Since 1958, our province has made extensive use of organic synthetic pesticides to control rice pests, of which the longest usage time and the largest dosage are for the control of rice stem borers. Pesticide varieties started as BHC, followed by a powder, methyl 1605, etc. In recent years, mostly methamidophos, insecticidal double, chlordimeform and so on. The use of these insecticides has played a role in assuring the harvest of rice, but due to its long-term widespread use, the pest has become resistant and resistant, forcing many places to simply increase their dosage and