The lily magnolia powdery mildew Erysiphe magnifica found in Slovakia

Powdery mildew symptoms were observed on leaves of lily magnolia (Magnolia liliiflora) in Slovakia. The causal fungus was identified as Erysiphe magnifica based on the morphology of both anamorphic and teleomorphic stages. This is the first report of E. magnifica on lily magnolia in Slovakia. A detailed description, illustrations, the host range, and the distribution of this fungus are given.