水稻恶苗病是一种分布很广的真菌病害，群众称“米秧”。重发田株发病率达３％～５％，可减产１５％～２５％。 依据本病的侵染来源及防治实践，采取如下对策且有显著防效： 一、选用无病种子和种子处理 由于本病的主要来源是带病种子，因此选用无病种子及药剂浸种，可以收到相 Rice Bakanae disease is a widely distributed fungal disease, the masses called “rice seedlings.” Resend field crop incidence rate of 3% to 5%, can cut 15% to 25%. According to the source of infection of the disease and prevention and control practices, the following countermeasures are taken and there is a significant prevention effect: 1. Selection of disease-free seed and seed treatment As the main source of this disease is diseased seed, Received phase