Japanese Fungi on Plants No.67 before next top

Oidium sp
Classification:

 Widely distributed in Japan and causing powdery mildew in parsley. Produces conidia on leaves and absorbing nutrition by haustoria in leaf tissue cells. Disperses by scattering conidia. Never grow on synthetic media.

Characteristics: Plant pathogen   Symptom:

			Morphology:  Teleomorph: Unknown (Surmise: Erysiphe heraclei)  Anamorph: On hyaline conidiophores, producing single conidia of hyaline, cylindrical, not including fibrosin bodies.
	Conidia

Herbarium specimen in NIAES None

(Described by M. Koitabashi., NIAES, Microbial Systemtics Lab., 2005)

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