水稻恶苗病是水稻生产的主要病害之一,受害稻株苗期或抽穗前枯死,一般不抽穗结实,所以俗称“公秧”。为有效识别与防治水稻恶苗病,确保粮食丰收,湖南省农业厅发布其识别方法和防治措施如下:一、发病特点。水稻恶苗病以带菌种子为主,其次是病草成为第二年的初侵染源,病菌侵入一般在播种时,播种时病种上潜伏的菌丝或分生孢子遇水萌发,从伤口侵入到幼苗的基部,引起稻苗发病,病稻草用来盖秧和捆秧时也可以发病。 Rice Bakanae disease is one of the main diseases of rice production, the victim rice seedlings or dead before heading, usually not heading, so commonly known as “public seedling ”. In order to effectively identify and control rice Bakanae disease, to ensure food harvest, Hunan Provincial Department of Agriculture released its identification methods and prevention and treatment measures are as follows: First, the incidence characteristics. Rice Bakanae disease with the main carrier of the disease, followed by the sick grass as the second year of the initial source of infection, the germs invade the general in the sowing, the disease when seeding latent hyphae or conidia germination with water, from the wound Invade to the base of seedlings, causing rice seedlings disease, sick straw used to cover seedlings and seedlings can also disease.