马拉松是一种高效低毒的有机磷杀虫剂,特别对水稻蚰虫有良好的防治效果,被贫下中农誉为“治蚰王牌”。但由于多年使用,产生了抗性,药效显著下降。温州农药厂急贫下中农所急在农业部门协肋下,将50％马拉松和40％稻瘟净混合剂等进行对比试验,其结果: Marathon is an efficient and low toxicity organophosphate insecticide, especially for the prevention and control of rice pinworm. However, due to years of use, resulting in resistance, efficacy decreased significantly. Wenzhou Pesticide Factory urgently needed by the middle peasants in urgent need of assistance in the agricultural sector, 50% Marathon and 40%