人参、西洋参黑斑病（Alternartapanax）是发病历史悠久、分布广泛的病害，也是人参、西洋参最流行和最严重的病害之一。从幼苗到成株期均可发生，以叶、茎、花轴、果实和果柄受害最为普遍，常年发病率在20％～30％，严重时高达90％以上，造成早期枯枝落叶，参籽颗粒不收，是人 Panax ginseng and Alternantapanax are one of the most prevalent and most serious diseases of ginseng and American ginseng with a long history and widespread disease. From seedling to adult stage can occur, with leaves, stems, flower axis, fruit and fruit stem damage most common perennial incidence of 20% to 30%, severe up to 90%, resulting in early litter, ginseng Seed particles do not accept, is human