在我国水稻栽培上发生的细菌病害,据研究记载有四种。其中以稻白叶枯病的发生比较普遍,次为稻细菌性条斑病,而细菌性褐斑病及褐条病只在局部地区发生。一、水稻白叶枯病水稻白叶枯病是我国最重要的水稻细菌病。目前除新疆外,本病在全国各地(包括台湾省在内)均有不同程度的发生。主要在东南沿海一带发生流行和为害较重。本病在南方热带一年三季稻栽培区全年均可发生,在华南则发生于双季连作早晚稻上。长江流域的双季连作与单季稻混栽区则以单季中稻发病较重。至于东北及华北稻区则常发生于多雨年份的八、 Bacterial diseases that occur in rice cultivation in our country are recorded according to the research. Among them, the occurrence of rice leaf blight was more common, followed by rice bacterial leaf streak, while bacterial brown spot and brown streak occurred only in some areas. First, rice bacterial leaf blight Rice bacterial leaf blight is China’s most important rice bacterial disease. At present except Xinjiang, the disease in all parts of the country (including Taiwan Province, including) have varying degrees of occurrence. Mainly in the southeastern coastal areas prevalence and damage heavier. The disease in the southern tropical year three-season rice cultivation area can occur throughout the year, in southern China occurred in the morning and evening double cropping continuous rice. The double cropping and the single cropping rice mixed planting area in the Yangtze River valley are more serious in single season middle rice. As for northeast and north China rice fields are often occurred in the rainy years eight,