[目的]评估咯菌腈·精甲霜灵·噻虫嗪悬浮种衣剂(FSC)对棉花猝倒病、棉花立枯病、棉花蚜虫及玉米灰飞虱、玉米茎基腐病的防治效果。[方法]以咯·精甲·噻FSC 4个有效成分量和25 g/L咯菌腈FSC等4种对照药剂各1个有效成分量,进行田间药效对比试验。[结果]咯·精甲·噻FSC对棉花、玉米病害的防效为53.22%~80.22%,对蚜虫、飞虱的防效为63.62%~92.68%。[结论]287.4 g/L咯·精甲·噻FSC防治棉花病虫害推荐使用有效成分量172.5~258.75 g/100kg种子。361.68 g/L咯·精甲·噻FSC防治玉米病虫害推荐使用有效成分量108.5~162.8 g/100kg种子。 [Objective] The research aimed to evaluate the control effect of fludioxonil / metalaxyl / thiamethoxam suspension seed coating (FSC) on cotton damping-off disease, cotton blight, cotton aphid, corn planthopper and corn stem rot . [Method] The field efficacy comparison test was carried out with four active ingredients, namely, minocycline and thiophene FSC, and four kinds of control agents, 25 g / L fludioxonil and FSC. [Result] The results showed that the control effect of SRC on cotton and maize diseases was 53.22% ~ 80.22%, and the control effect on aphids and planthoppers was 63.62% ~ 92.68%. [Conclusion] The optimum dosage of active ingredient was 172.5 ~ 258.75 g / 100kg for the prevention and control of cotton pests and diseases with 287.4 g / 361.68 g / L Cercosporin A, Thiocarb FSC Prevention and Control of Corn Diseases and Pests It is recommended that the active ingredient be 108.5 ~ 162.8 g / 100kg seeds.