水稻恶苗病俗称公禾、米秧 ,是一种常见病害。特别是水稻协优系列 ,如 :协优１０、协优５７、协优６３等发生较为严重。一、主要症状该病从秧苗期到抽穗期都可发生 ,病株徒长是恶苗病的最基本特征。１ 秧苗期 :秧苗４ -５叶表现症状 ,病苗细长瘦弱 ,叶呈淡黄绿色 ,株高比健株明 Rice stump disease known as public Wo, rice seedlings, is a common disease. In particular, Xieyou rice series, such as: Xieyou 10, Xieyou 57, Xieyou 63 occurred more serious. First, the main symptoms of the disease from the seedling to heading stage can occur, the sick strain is the most basic feature of the disease. 1 seedling stage: 4 -5 leaf seedling symptoms, thin and slender sick thin, yellowish green leaves, plant height than Kin Ming