Hawthorn rust fungus was preliminarily identified as Gymnosporangium asi-aticum Miyabe ex Yamada f. sp. crataegicola,on the basis of the morphologicalcharacters and pathogenicity.
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- 根据山楂锈病菌的形态特征及致病性;初步鉴定为梨胶锈山楂专化型(Gymnosporan-gium asiaticum Miyabe ex Yamada f.;sp