水稻云形病,前几年在我县山垄种植的杂交晚稻上零星发生,为害不重。但1985年7月中旬后,在我县布甲、上奉乡等山区,一季稻上发生甚为普遍,山区农民常误认为是赤枯病,白枯枯病或是肥料烧了叶。对此笔者曾数次到病区作了一些观察和调查,现 Rice cloud disease, a few years ago in my county ridge cultivation hybrid late rice sporadic, not harmful. However, in mid-July 1985, the occurrence of the first season rice was very common in mountainous areas such as Mount Putuo and Shangfeng Township in the county. The peasants in mountainous areas often mistakenly thought of it as the dead leaf blight, the white-leaf blight or the burning of the leaves by the fertilizer. In this regard, I have made several observations to the ward and the investigation, now