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由 Alernarla panax 侵染人参所引起的人参黑斑病,是东北地区人参主要真菌性病害。历年发生普遍,为害严重。一般发病株率90%以上,病叶率20—30%,严重时早期植株上部枯萎,是影响人参产量和质量的重要病害之一。以往生产上曾试用多种药剂,
Ginseng black spot disease caused by the infection of ginseng by Alernarla panax is the major fungal disease of ginseng in Northeast China. Pervasive over the years, serious damage. The average incidence of plant more than 90%, diseased leaves rate of 20-30%, severe early withered upper plant is affecting the yield and quality of ginseng one of the major diseases. Past production has tried a variety of agents,