Erysiphe corylopsidis sp. nov., a new powdery mildew fungus found on Corylopsis spicata and C. pauciflora
2009
Shiroya, Yoshiaki | Takamatsu, Susumu
A powdery mildew fungus occurring on leaves of Corylopsis pauciflora and C. spicata in Japan is described as a new species, Erysiphe corylopsidis. This species is characterized by fewer than 15 appendages on a chasmothecium, primary branches of the appendages occasionally elongated, and a relatively small number (2-5) of ascospores per ascus. Molecular phylogenetic analyses based on rDNA ITS and 28S rDNA sequences indicate that this fungus forms an independent lineage in the genus Erysiphe.
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