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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。
In recent years, the main pests and diseases of rice in Jiaxing single-crop late rice field are sheath blight, planthoppers, rice leafroller, stem borer and aphids and rice false smut. One-night field pest control should be taken to “appropriate relaxation of the early, focus on the late to ensure that the spike” of the drug technology; general medication 3-5 times, the key period of medication in early August to early September and spike aphid occurred period.