Pierce's Disease Symptoms in Merlot Leaf

Pierce's Disease

Xylella fastidiosa Website UC Berkeley
Insecta Inspecta World - Glassy-winged Sharpshooter
Pierce's Disease of Grapes
Wines & Vines Pierce's disease cure(injection of antibiotics into living grapevines)
Xylella fastidiosa Genome Project

Pierce's Disease

Powdery Mildew
Control of Powdery Mildew Using the UC Davis Powdery Mildew Risk Index
Grape -- Powdery Mildew

The Grapeleaf
Epidemiology and Management of Grape Powdery Mildew
Powdery Mildew

Grape Eutypa Dieback
Sonoma County Viticulture Newsletter

Botrytis cinerea of Grapevines
Botrytis Bunch Rot

Measles and Young Vine Decline
Measles (Black Measles and Spanish Measles)
Young Vine Decline

Vine Mealybug
Vine Mealybug

Webspinning Spider Mites

Grape Phylloxera

Fanleaf Virus

Nematodes (Vector of Fanleaf Virus)

Leafroll Virus
Leafroll Virus
Leaf Roll Virus Causing Headaches In South Africa's Vineyards

Other Diseases and Pests
UC IPM Pest Management Guidelines
Wine Grapes in California- Crop Pest Profile (pdf)