【摘要】 通过对牡丹园实地调查、室内病菌形态观察等,判别、鉴定出牡丹Paeonia suffruticosa叶部真菌病害9种,以叶霉病Cladosporium paeoniae、黑斑病Alternaria spp.、腔孢叶斑病Hainesia lythri为害严重,偶尔能发现受病毒病感染的叶片;根部真菌病害3种,线虫病害1种,以根腐病Fusarium solani发病最重;茎部真菌病害6种,以腔孢叶斑病H.lythri和溃疡病Botryosphaeria sp.发病最重。依据病害症状,编制了牡丹叶部、根茎部真菌病害的检索表。更多还原

【Abstract】 Through field investigation,indoor morphlogical observation and identification,the author concluded that the peony in Luoyang had 9 leaf fungal diseases with the leaf mold,black spot and coelomycete leaf spot being the most serious diseases; 3 root fungal diseases,1 nematode disease,with the root rot being the most serious one; 6 stem fungal diseases with the canker being the most serious one. Based on the symptoms,the author established identification keys on these fungal diseases.更多还原