downy mildew (Pseudoperonospora cubensis ) on cucumber (Cucumis sativus ) - 5340094

downy mildew
Pseudoperonospora cubensis (Berk. & M.A. Curtis) Rostovzev

Host: cucumber (Cucumis sativus L.)
Descriptor: Symptoms
Description: cucumber cv. LaFayette; downy mildew caused by Pseudoperonospora cubensis; leaves collected during rain and scanned on a flatbed scanner a few hours later; shows watersoaking of tissue shortly before sporulation; See 5340093 for view of lower leaf surface of same leaf. Water soaking is much more subtle on upper leaf surface.
Image type: Laboratory
Image location: Clayton, North Carolina, United States

Photographer Information

Name: Gerald Holmes
Organization: Valent USA Corporation
Country: United States

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Image Number: 5340094

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Image Use:(?) You must attribute the work in the manner specified (but not in any way that suggests endorsement). You may not use this work for commercial purposes unless permission is granted by the photographer or copyright owner.

Image Citation:(?) Gerald Holmes, Valent USA Corporation, Bugwood.org

Node Affiliation: University of Georgia

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Image uploaded on Monday, November 05, 2007
Image Information last updated on Tuesday, November 20, 2007