UC Integrated Grape Team of Napa County

Name ✻

Company

Street address ✻

City & Zip Code ✻

Phone ✻

Email ✻

Preferred method ✻

Indicate licenses held:

Address (if different than above)

Variety/Rootstock

Age

Block size (acres) or total # of planted vines

Trellis system

Irrigation type

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

Describe symptoms

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?

Symptoms

Drainage

Soil

Exposure