Pseudoidium (genus)

Erysiphales • Leotiomycetes • Ascomycota • fungi • plant diseases • pests-diseases-weeds

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tomato leaves infected with powdery mildew (click on image to enlarge it)
Source: Wikimedia Commons

Pseudoidium Y.S. Paul & J.N. Kapoor 1986

This genus of powdery mildews is morphologically very similar to the genus Oidium and has been previously regarded as a subgenus of Oidium. Economically, the most important plant pathogen is Pseudoidium neolycopersici, causing powdery mildew of tomato.

Currently, the following species have been entered into the system:

• Pseudoidium neolycopersici