Topics covering winegrape production including Integrated Pest Management
Upcoming Bigelow 589 Training
Nov 1, 2019
UC Cooperative Extension is offering a Water Measurement and Reporting Course in Sonoma and Mendocino Counties on November 12, 2019. This newsletter explains what the course is, who should attend and how to register.
Download (112KB PDF)
October 2019
Oct 11, 2019
- Should you drop unsold fruit or leave it on the vine?
- 2021-2024 UCCE Irrigation Survey: UPDATE
Download (875KB PDF)
April 2018
Apr 23, 2018
- Water Measurement and Reporting Course:
AB 589, Bigelow. Water diversion: monitoring and reporting training - UCCE Sonoma - Updated list of Diagnostic Laboratories
Download (142KB PDF)
April 2014
Apr 25, 2014
- Announcements
- FREE Publications from UC Agriculture & Natural Resources
- Online temperature inversion data for sites in the Russian River
Download (392KB PDF)
September 2013
Sep 19, 2013
- Announcements
- FREE Publications from UC Agriculture & Natural Resources
- Grapevine Red Blotch Disease
- Grapevine Red Blotch Disease (en español)
Download (163KB PDF)
December 2012
Dec 31, 2012
• 2013 Sonoma County Grape Day
• Regulating Water Quality in North Coast Vineyards: One Conditional Waiver is Proposed and a Second is Under Development
Download (243KB PDF)
December 2011
Dec 23, 2011
• 2012 Sonoma County Grape Day
• Botrytis, Powdery Mildew, and Fungicide Resistance
Download (41KB PDF)
January 2011: Beyond Sunburn
Jan 14, 2011
• Sonoma County Grape Day • Beyond Sunburn • Historical Local Temperatures • Gopher Control
Download (52KB PDF)
UC Meetings on European Grapevine Moth
UC Cooperative Extension will hold meetings WITHIN THE NEXT FEW DAYS in Sonoma CountyDownload (PDF)
December 2009: Water rights and Grapevine Leafroll disease
Jan 25, 2012
• Viticulture Newsletter is online only • Exotic insect Pest found in Napa • Water rights in the Russian River watershed • Grapevine leafroll disease is worth avoiding
Download (286KB PDF)
December 2007: Composting Grape Pomace
•Compost grape pomace to remove risk of spreading mealybugsDownload (PDF)
March 2006: Powdery Mildew Control
May 4, 2020
•Meeting Announcements •Mealybug Information •Early Season Powdery Mildew Infections •Volatile Organic Compounds: What they are and how do they work
Download (PDF)
April 2005: Trapping in 2005 for Vine Mealybug in Sonoma County
•VMB trapping program in Sonoma County •Programs in other counties •UCCE will not read traps, but traps will be available! •Which Mealybug is it? •Two training opportunities provided by UC Cooperative Extension •Coordinating your VMB trapping efforts •More Information available onlineDownload (PDF)
May 2004: Vine Mealybug Trapping Season
May 4, 2020
•Vine Mealy Bug 2004 Trapping Season •Water Quality Regulations for Applied and Storm Water Management
Download (PDF)
January 2005: Esca and Young Esca Disease
•Sonoma County Grape Day - February 23, 2005 •Courses in Viticulture and Enology •New Sonoma County Vineyard Cost Studies •Research Update on Esca and Young EscaDownload (PDF)
January 2004: Protecting Grapevine pruning wounds from infection
•New office location •Sonoma County Grape Day - February 24, 2004 •Protecting Grapevine pruning wounds from infectionsDownload (PDF)
September 2002: Vine Mealybug
•Vine Mealy Bug in Sonoma County •Spread by plant material and equipment •Control •Trapping •What you can do and what to look for •What happens if you find Vine MealybugDownload (PDF)
December 2001: Young Vine Decline Update
May 4, 2020
•Sonoma Grape Day - February 07, 2002 •Young vine decline update •CDFA Pierces' Disease Control Program •Publications
Download (PDF)
December 2000 - Manual: Riparian Vegetation Mangagement for PD
May 4, 2020
•Sonoma County Grape Day is February 16, 2001! •New publication available. •No Surflan?
Download (187KB PDF)
March 2000: Glassy-Winged Sharpshooter Increases Threat of Pierce's Disease
•Glassy-Winged Sharpshooters will Increase the Threat of Pierce’s Disease •How GWSS will Change PD in California •Increased Potential for Spread of New Diseases •Early Detection of GWSS by Grape Growers •Preventing the Spread of GWSS •GWSS Host Plant ListDownload (PDF)
July 1999: Managing Riparian Vegetation to Control Pierce's Disease
May 4, 2020
•Announcements •Managing Riparian Vegetation to Control Pierce’s Disease •039-19 and 043-43 Rootstocks Mixed Up for a Period of Time •Powdery Mildew Resistance Management •Categories of Grape Powdery Mildew Fungicides by Activity •Predicting Yield in Winegrapes
Download (PDF)
December 1998 : Phylloxera Planting Survery Results
•Leaf-gall Forming Phylloxera •Phylloxera & Planting Survey ResultsDownload (PDF)