单季晚稻病虫害药剂总体防治技术

Integrated control strategies of rice pests in single-season late rice

近年来嘉兴市单季晚稻大田期常发性主要病虫害有纹枯病、稻飞虱、稻纵卷叶螟、螟虫及穗期蚜虫和稻曲病。单晚大田期病虫药剂防治应采取“适当放宽前期，注重中、后期，确保穗期”的用药技术；一般用药３－５次，用药关键期在８月上旬至９月上旬及穗蚜发生期。

It was found rice sheath blight, rice planthoppers, rice leaffolder, and stem borer in vegetative stages, aphid and fungi disease in booting stage of rice plant in Jiaxing, Zhejiang. The strategy for managing major rice pests is to culture the vigor rice seedling by submerging rice seeds with fungicide, and to minimize the insecticide spraying in the early stage of rice, and to use the selected and judicious pesticide for key rice pests during early August to early-September.