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二化螟是太湖县水稻上的主要害虫之一,严重为害水稻生产。自20世纪80年代中期杀虫单(双)推广使用以来,一直是本地防治二化螟的首选药剂。近年来,生产上普遍反映杀虫单(双)对二化螟防效下降。沈晋良等2002年5月采集太湖县二化螟种群进行的抗性监测表明,二化螟对杀虫单已产生中等
Chilo suppressalis is one of the major pests on rice in Taihu County, which seriously damages rice production. Since the poplar single (double) popularization and use in the mid 1980s, it has been the first choice of local prevention and control of rice stem borer. In recent years, the production generally reflects insecticidal single (double) on the resistance of the stem borer decreased. The resistance monitoring conducted by Shen Jinliang et al. In May 2002 on the population of Chilo suppressalis in Taihu County showed that Chilo suppressalis had a moderate