Please complete the form to request a diagnosis of specific symptoms, or information on vineyard establishment and/or management. A member of our UC Integrated Grape Team of Napa County will contact you once you have submitted the form.
City & Zip Code
Indicate licenses held:
Address (if different than above)
Block size (acres) or total # of planted vines
Frequency of irrigation
Gallons per minute
List any chemicals or fertilizers you have applied in the last 9 months.
List chemical/fertilizer product names, dosage and dates applied in the last 9 months.
What do you use to control Powdery Mildew?
Indicate your interest by checking the box and then describe your situation in the space below:
Describe your specific situation.
Approximate number of affected vines
or % of block
What parts of the vine are affected by symptoms?
Have you noticed these symptoms in previous years?
If yes, how many years?
Where did you get your plant material?
Can you bring pictures of the affected area to the UCCE office?
For verification that you are human, please enter the following code in the box below:
(if the code is not entered correctly, the survey will not be submitted)