Abstract: Rice bacterial leaf blight rises in epidemic trend in recent years, which is a threat to high and stable rice production. In order to explore epidemic regularity and control strategy of rice bacterial leaf blight in new cropping system, occurrence, damage, infestation cycle and affecting factors of rice bacterial leaf blight were systematically investigated, major causes of the disease rising were found out, the control strategy and technology of the disease were presented.

Key words: rice bacterial leaf blight, damage, infestation cycle, influencing factors, integrated control techniques

摘要： 水稻白叶枯病近年来在仙居县呈上升流行态势，对水稻高产稳产构成极大威胁。为探索新的耕作栽培条件下水稻白叶枯病的发生流行规律与综合防治对策，笔者系统调查了水稻白叶枯病的发生危害、侵染循环和影响因素，探明了病害再度上升的主要原因，提出了病害防控的对策与综合防治技术。

关键词: 水稻白叶枯病, 危害, 侵染循环, 影响因素, 综合防治技术