UC ANR is committed to providing an accessible and inclusive web experience for all users. If you encounter an accessibility barrier or need content in an alternative or remediated accessible format, please contact anraccessibility@ucanr.edu.
Pierce's Disease Insect Vectors Glassy Winged Sharpshooter identification. Grape Pest Notes Identification and monitoring information for arthropod grape pests and fungal diseases. Grapevine Red Blotch Disease Grapevine Red Blotch information and identification.
Glassy-winged sharpshooter (GWSS) is a serious new pest in California. Like other sharpshooters, the GWSS spreads Xylella fastidiosa, the bacterium that causes Pierce's disease in grapevines.
European Grapevine Moth Biology European Grapevine Moth: a New Pest of Grapes in California (CAPCA Adviser Magazine July 2010) European Grapevine Moth in Napa Valley Vineyards (Practical Winery & Vineyard, Mar/Apr 2010) European Grapevine Moth Grape Day Handout, February 2010 En Espaol: La Polilla d...
An searchable table of selected labs and services can be found here: Interactive Table For an downloadable list of selected plant and soil labs in northern and central California, please visit our website at: https://ucanr.
We asked an author cited in this article important questions provided by readers. Check out our short interview with Ph.D. Candidate, Lauren Marigliano here: https://cesonoma.ucanr.
The threecornered alfalfa hopper (TCAH) is a vector of Grapevine red blotch virus that causes Grapevine red blotch disease in vineyards. A degree day model was developed to predict the ideal time frame for ground cover management to help reduce TCAH populations in vineyards.