近几年 ,水稻菌核病在绥化市发生流行 ,一般减产2 0 %～ 30 % ,造成经济损失超过 30 0万元。为了控制此病 ,通过实地调查 ,基本摸清了发病的主要影响因素 ,提出了行之有效的综合防治对策。1　发生与为害水稻菌核病于 1 992年在绥化市发现有零星发生 ,1 995年突发流行 ,发病面积 In recent years, rice sclerotinia has been prevalent in Suihua City, with a general decrease of 20% to 30% in production, resulting in an economic loss of more than 3.0 million yuan. In order to control the disease, through field surveys, we found out the main influencing factors and put forward effective prevention and cure measures. 1 Occurrence and damage Rice sclerotinia found in 1998 in Suihua sporadic, 1995 pandemic, the incidence of disease