Sonoma County Grape Day is an annual program that provides research-based information on issues important to the production of coastal winegrapes. The program is presented by UC Cooperative Extension and sponsored by the Sonoma County Winegrape Commission.
Early start time! Sign in and Breakfast from 7 am to 8 am. Program begins 8 am and ends at noon.
Continuing Education Units have been requested.
7:00 Sign-in and Continental Breakfast
8:00 Rhonda Smith, UCCE Sonoma County
Effects of grapevine red blotch disease on petiole nutrient levels
8:15 Dr. Kaan Kurtural, UC Davis
How grapevine physiology is affected by the virus that causes red blotch disease
8:30 Dr. Frank Zalom, UC Davis
Grapevine red blotch disease; the virus, its spread and an insect vector
9:00 Larry Bettiga, UCCE Montery County
Viticultural characteristics of the GRN rootstocks and their performance in a
9:30 John Roncoroni, UCCE Napa County
Weed Control Update: Fluvellin, Ryegrass and other weeds in North Coast
10:20 Dr. Matthew Fidelibus, UC Davis and UC Kearney Agricultural Research & Extension Center
Factors that affect fruitfulness and budbreak in cane pruned vines
11:15 Dr. Kaan Kurtural, UC Davis
Assessing vineyard variability in Sonoma vineyards through a selective harvest
Noon End of Program
Cost: $40 if payment received by noon on Tuesday, February 7
$45 at the door (cash/check only)
Register online and pay with your credit card
Register by mail and pay with a check