水稻病害种类很多,但在我省普遍严重为害的,主要有稻瘟病(稻热病)、纹枯病和矮缩病(有普通矮缩病、条纹叶枯病、黑条矮缩病、黄矮病等四种)。在有些地区为害比较严重的还有白叶枯病、小球菌核病、胡麻斑病、干尖线虫病等。细菌性条斑病在嘉兴等数县忽现忽灭,恶苗病在诸暨、肖山等县有零星发生,叶鞘腐败病在温州地区有发现。其他如稻曲 There are many kinds of diseases in rice, but they are generally serious and harmful in our province, mainly rice blast (rice fever), sheath blight and dwarf disease (common dwarfism, stripe disease, black-streaked dwarf, yellow Dwarfism four). More serious damage in some areas there are bacterial blight, Sclerotinia sclerotiorum, dry tip nematode disease. Bacterial leaf streak suddenly disappear in several counties in Jiaxing, fickle disease in Zhuji, Xiao Shan and other counties have sporadic occurrence, leaf sheath rot disease found in Wenzhou. Others such as rice song