水稻云形病是真菌性病害,过去由于发生轻而未引人注意,今年本地区各县、市都有不同程度的发生,部分田块发生较为严重,有的叶发病率达50％以上,田间出现的病窝远看似叶稻瘟。下部叶片感病重时提早枯死,给水稻带来一定的损失,为此我们对该病进行初步调查和药剂防治试验,现将结果简述如下: Rice cloud disease is a fungal disease. In the past, due to light and unobtrusive, the counties and cities in this region all occurred to varying degrees this year. Some of the plots were more serious with the incidence of some leaves reaching more than 50% Sick farms appear in the field seems to be Ye Muyuan. The lower part of the leaves when the disease is premature wither, bring some loss to rice, for which we conducted a preliminary investigation of the disease and pharmaceutical control trials, the results are summarized as follows: