甘薯黑斑病是浙江省甘薯的主要病害之一。近年来由于种薯、薯苗调运频繁,有些地区检疫和防治措施没有跟上,因此病害在继续扩展蔓延,尤其是温床育苗地区的育苗期和沿海涂园的大田期严重受害,成为甘薯生产上迫切需要解决的问题。为了摸清该病在浙江省的发生为害和扩展蔓延情况,从而因地制宜地采取有效的防治措施,我们曾于1963—1965年在种薯出窖、育苗和大田收获期,先后到温 Sweet potato black spot is one of the main diseases of sweet potato in Zhejiang Province. In recent years, due to the frequent deployment of seed potato and potato seedlings, the quarantine and control measures in some areas have not kept pace with. Therefore, the disease continues to expand and spread, especially the seedling raising stage in the breeding grounds of the breeding grounds and the field trials in the coastal painted gardens, Urgent problems to be solved. In order to find out the disease in Zhejiang Province, the damage and spread of the spread, so as to local conditions to take effective measures to prevent and control, we had in 1963-1965 in seed cellar, nursery and field harvest, has to warm