锯齿叶矮缩病是在我国水稻上初次发现的病毒病.此病自1978年在福建沙县发生以来,现已扩及顺昌、建阳、浦城、龙海、诏安等县,多属零星发生,但个别病重田区植株发病率亦有10％以上的,有些当家品种,特别是一些杂优组合,极易感病,是当前水稻生产上的一个新的潜在威胁,下面简报这一研究的初步结果. Serrata leaf dwarf disease is a virus disease found for the first time on rice in our country.Since its occurrence in Shaxian County in Fujian Province in 1978, it has been extended to Shunchang, Jiangyang, Pucheng, Longhai and Zhaoan counties, However, the incidence of individual plant diseases in Tiantian District is also above 10%. Some domestic species, especially some heterotic combinations, are highly susceptible to the disease and present a new potential threat to rice production. The following briefing The initial result.