水稻褐色条斑病是一种细菌性病害。发病后对产量影响很大,苗期发病致使秧苗枯死,后期发病的不能抽穗或穗而不实,严重的损失四、五成,一般的损失二成左右。本省过去未曾详细记载和报道过此病,我县也未造成灾害,因此,没有引起注意。今年我县沿富春江、天目溪两岸早稻突然暴发,普遍发生,为害较重,为此我们对此病初步进行了一些调查,现简述如下: Rice brown streak is a bacterial disease. After the onset of a great impact on the yield, seedling disease caused by seedling blight, the latter part of the disease can not be heading or spike but not real, serious loss of four or five, the general loss of about two percent. In the past, the province did not record and report the disease in detail. My county did not cause any disasters, so I did not pay any attention to it. This year, along the Fuchun River in our county, there was a sudden outbreak of morning rice on both sides of the Tianmu Stream, which was prevalent and seriously harmed. To this end, we conducted some preliminary investigations into the disease and are summarized as follows: