Bacterial Blight (Bacterial Necrosis) of Grapes

Symptoms

Water-soaked leaf spots, shoot necrosis and dieback, and cankers on canes.

Favorable conditions

• •Warm, wet weather
• •Wounds from pruning or wind damage

Management

1. 1Apply copper sprays
2. 2Sanitize and prune out infected wood
3. 3Plant resistant varieties where available