Vineyard Disease

Vineyard Disease Photos

A few examples of grapevine diseases are displayed below. All photos and information contained below was obtained with
permission from the Michigan State University Extension office. To see the entire list, photos, and detailed disease information
please visit the MSUE web site at: grapes.msu.edu/id.htm.

Black Rot Lesions - on berries

Black Rot Lesions - on leaves & stem

Black Rot Lesions - on vine stem

Advanced Powdery Mildew - on berries & leaves

Powdery Mildew - on non-dormant & dormant canes

Advanced Downy Mildew - on berries & cane

Downy Mildew - on top & bottom of leaves

Vineyard
Disease

"Wine is constant
proof that God loves
us and loves to see us
happy!" -
Benjamin Franklin

"Beer is made by men,
wine by God!" -
Martin Luther

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