downy mildew (Plasmopara viticola ) on wine grape (Vitis vinifera ) - 5356769

downy mildew
Plasmopara viticola (Berk. & M.A. Curtis) Berl & De Toni in Sacc.

Host: wine grape (Vitis vinifera L.)
Descriptor: Damage
Description: Grapevines showing defoliation from downy mildew (Plasmopara viticola) and straw placed over the stems to protect them from sunburn.
Image type: Field
Image location: United States

Specimen Information

Specimen in collection: No
Specimen Condition:
Identification Method:

Photographer Information

Name: William M. Brown Jr.
Country: United States

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Image Number: 5356769

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Node Affiliation: Colorado State University

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Image uploaded on Thursday, January 17, 2008
Image Information last updated on Wednesday, March 19, 2008