Grape Diseases
Foliar and Fruit Diseases
- Grape Powdery Mildew
- Grapevine Powdery Mildew: Eastern Washington – WSU #EM058e
- Grapevine Powdery Mildew: Western Washington – WSU #EM059e
- Botrytis Bunch Rot
- Botrytis Bunch Rot – WSU #FS046e
- Phomopsis Cane and Leaf Spot
- Phomopsis Cane and Leaf Spot – UC-Davis
- Sour Rots
- Summer Rots (Sour Rot) – UC-Davis
Wood and Root Diseases
- Crown Gall of Grape
- CrownGall – WSU Whitepaper
- Crown Gall Research Update – Cornell University
- Eutypa Dieback
- Eutypa Dieback – UC-Davis
- Esca / Petri Disease / Young Vine Decline
- Esca/Petri Disease – UC-Davis
- Armillaria Root Rot
- Armillaria Root Rot – UC-Davis
- Pierce’s Disease of Grape
- Pierce’s Disease - UC-Davis
Virus Diseases
Please also see our Grapevine Virology webpage.
- Grapevine Leafroll Disease
- Rupestris Stem Pitting – WSU Webpage
- Corky Bark Disorder – WSU Webpage
- Grapevine Red Blotch Disease – NCPN Factsheet
Disease Management and Models
Disease development is closely linked to weather. AgWeatherNet has models for important disease management decisions and AgAlertz will notify you when key events in disease management have occurred.
Fungicide Resistance Action Committee (FRAC)
FRAC is an international working group designed to help mitigate the development of fungicide resistance in many of the critical fungal pathogens in modern plant production.
Quick Links
WSU Grape Pest Management Guide
Guide to control of pests on commercial grapes. Updated annually – WSU #EB0762. Click here to order a hard copy. Click here to order a downloadable PDF.
Current Articles
Check out our Articles page for current discussions on pest and disease management and vintage progression.
Viticulture: Self-Directed Courses
Take individual programs from the Viticulture Certificate Course, and custom-build your knowledge base. Courses on Fungal and Viral Diseases, Pest Management and Biocontrol, Weed Management, and Nematodes are all available.
