powdery mildew (Podosphaera macularis ) on common hop (Humulus lupulus ) - 5393354

powdery mildew
Podosphaera macularis (Wallr.) U. Braun & S. Takam.

Host: common hop (Humulus lupulus L.)
Descriptor: Symptoms
Description: A common hop plant showing signs and symptoms of powdery mildew infection caused by Podosphaera macularis in a field at Oregon, USA.
Image type: Field
Image location: Oregon, United States

Photographer Information

Name: David Gent
Organization: USDA Agricultural Research Service
Country: United States

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Image Number: 5393354

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Image Citation:(?) David Gent, USDA Agricultural Research Service, Bugwood.org

Node Affiliation: Colorado State University

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Image uploaded on Monday, April 20, 2009
Image Information last updated on Tuesday, June 23, 2009