半夏缩叶病是栽培半夏Pinellia ternata(Thunb)Breit上发生较为普遍,为害较为严重的一种病害。该病在半夏生长季节可引起植株提前倒苗、枯死,在贮藏期间及运输途中可造成鲜种茎的大量腐烂,受害半夏块茎加工成商品后,往往质量差,品级低。虽然曾有资料记载该病系病毒引起,但尚无详细研究及种类鉴定的报道。1988～1989年,我们对该病作了 Pinellia syringae is a disease that occurs more frequently in Pinellia ternata (Thunb) Breit, Pinellia ternata, and it is more serious. The disease can cause plants to fall seedlings and die prematurely during the growing season of Pinellia ternata. During the storage period and during the transportation, it can cause a large amount of rot of the fresh stems. After the Pinellia tubers are processed into commodities, they are often of poor quality and low grade. Although there have been reports that the disease is caused by a virus, no detailed studies and species identification have been reported. From 1988 to 1989, we made the disease