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近10年来,水稻纹枯病在江苏省宿迁市宿豫区连年大发生,严重威胁水稻生产。笔者通过对本区多年调查资料的分析,认为造成水稻纹枯病连年重发的主要因子为7～8月降雨日数、氮肥施用量、水稻种植耕作制度、种植密度、防治技术到位情况等。据试验研究结果,提出了水稻纹枯病的综合治理应在农业防治的基础上,选准药剂、加大用水量、提早防治。
In the recent 10 years, rice sheath blight occurred in Suyu District, Suqian City, Jiangsu Province, which seriously threatened rice production. Through the analysis of many years’ investigation data in this area, the author believes that the main factors that cause the recurrence of rice sheath blight are the number of precipitation days from July to August, the amount of nitrogen fertilizer application, the cultivation system of rice, the planting density and the prevention and control technology. According to the experimental results, it is proposed that the comprehensive management of rice sheath blight should be based on the prevention and treatment of agriculture, select the appropriate drugs, increase water consumption, early prevention and treatment.