Diseases

Michgan State Universities Integrated Vineyard Management Websiteand provide excellent information and photographs for identification of diseases. If further diagnostic work is needed, samples may be sent to the UMass Diagnostic and Insect Identification Lab.

Key Diseases: (alphabetically)

• Anthracnose
• Armillaria root rot
• Bitter rot
• Black rot
• Botrytis bunch rot
• Downy mildew
• Eutypa dieback
• Grapevine decline or Esca
• Phomopsis cane and leaf spot
• Powdery mildew
• Ripe rot
• Sour bunch rot

For management recommendations, see the New York and Pennsylvania Pest Management Guidelines for Grapes: 2005.

To check pesticide labels, go to Crop Data Management Systams (CDMS)