Pathology in Georgia Viticulture

Grape growers in Georgia face a variety of plant diseases that can impact vine health, fruit quality, and overall vineyard productivity. From fungal infections like powdery mildew and downy mildew to bacterial threats such as Pierce’s disease, understanding vineyard pathology is essential for sustainable grape production. The warm, humid climate of the Southeast creates ideal conditions for many pathogens, making proactive disease management a critical part of viticulture. This section provides insights into common grapevine diseases in Georgia, prevention strategies, and best practices for maintaining healthy vineyards.

Information about diseases:

• Diseases of Wine Grapes – Overview
• Wine Grape Diseases Overview
• Fundamentals of Integrated Disease Management in Vineyards – Jan 2025
• Introduction to Wine Grape Diseases of Georgia – New Grower Symposium
• Muscadine Disease Presentation – 2019
• Spotted Wing Drosophila and Sour Rot
• Ripe Rot – 2019
• Grape Sour Rot
• Pierces Disease Management

Information to help management decisions:

• 2023 Southeast Regional Bunch Grape Integrated Management Guide 
• 2023 Southeast Regional Muscadine Grape Integrated Management Guide
• Fungicide Stewardship! Things to help you not waste money in your pest and disease management – Jan 2025
• Sprayer Calibration Clinic
• Example of Disease Control Spray Program according to phenology
• Powdery and downy mildew and fungicide resistance
• Nita Trunk Disease App (membership needed and based in VA)