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甘薯(红薯)紫纹羽病是一种由担子菌引起的真菌病害。以往我市没有此病发生,国内文献记载多列为桑树病害(纪桐云,1964),对其危害甘薯的严重性没有引起足够的重视。近几年来,由于群众不经检疫私自调种频繁,致使该病传入我市,并逐渐定居。尤其在武陟县小董乡渠下、楼下、朱村、沁阳四村发生极其严重。据1988—1989年调查,仅上述四村发病面积就达3000余亩。一般田块发病率在20%左右,严重地块
Sweet Potato (Sweet Potato) The purple-striped feather disease is a fungal disease caused by Basidiomycetes. In the past, there was no such disease in our city. Mulberry tree diseases were listed in the domestic literature (Ji Tongyun, 1964), which did not pay enough attention to the seriousness of sweet potato. In recent years, as a result of frequent quarantine of the masses without quarantine, the disease has been introduced into the city and gradually settled. Especially in the Xiaodong Township, Wuyi County, downstairs, Zhu Village, Qinyang four villages extremely serious. According to the 1988-1989 survey, only the incidence of the above four villages reached more than 3,000 acres. The general field incidence of about 20% of the block, a serious block