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通过标本采集、分类鉴定和接种试验对辽宁地区油松枯萎病病原菌进行了研究,结果在枯萎油松上收集到3种症状不同的病害,其发生分布和危害程度有明显区别;3种病原菌分别为针叶树散斑壳菌、枯斑盘多毛孢菌、松球壳孢菌;室内用3种病原进行油松幼苗接种试验,均表现有明显致病性,在接种染病针叶上分离到与自然界完全相同的子实体。
The pathogen of Fusarium oxysporum f.sp. fusifolia in Liaoning area was studied by specimen collection, classification identification and inoculation test. The results showed that there were significant differences in the occurrence and distribution of the three diseases with different symptoms, Condyloma acuminatum, Corynebacterium pleuropneumoniae, Pinus sylvestris; indoors with three kinds of pathogens pine seedlings inoculation test showed significant pathogenicity, inoculation of the disease isolated from the needle and the natural world Identical fruiting bodies.