Viticulture Newsletters

April 2006 Newsletter:

  • Meeting Announcements
  • Mealybug Information
  • Early Season Powdery Mildew Infections
  • Volatile Organic Compounds: What they are and how do they work

April 2005 Newsletter:  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 online

January 2005 Newsletter: 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 Esca

January 2004 Newsletter: Protecting Grapevine pruning wounds from infection

  •  New office location
  •  Sonoma County Grape Day - February 24, 2004
  •  Protecting Grapevine pruning wounds from infections

September 2002 Newsletter: Vine Mealy Bug

  •   Spread by plant material and equipment
  •   Control
  •   Trapping
  •   What you can do and what to look for
  •   What happens if you find Vine Mealybug

December 2001 Newsletter: Young Vine Decline

  •  Sonoma Grape Day - February 07, 2002
  •  Young vine decline update
  •  CDFA Pierces' Disease Control Program
  •  Publications

December 2000 Newsletter: Riparian Vegetation Mangagement for Pierce's Disease

  •   Sonoma County Grape Day is February 16, 2001!
  •   New publication available.
  •   No Surflan?

March 2000 Newsletter: 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 List

July 1999 Newsletter: Mangaging Riparian Vegetation to Control Pierce's Disease

  •   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

December 1998 Newsletter: Phylloxera Planting Survery Results

  •  Leaf-gall Forming Phylloxera
  •  Phylloxera & Planting Survey Results
  •  Table 1. Estimate of Napa and Sonoma County Removals and Conversions of Acreage Planted to AXR#1 Rootstock
  •  Table 2. Total Acres Reported Planted in Napa and Sonoma Counties
  •  1997 Phylloxera Survey Results
  •  Locations of Acres Removed Due to Phylloxera in 1997
  •  1997 Planting Survey Results
  •  Acreage of Rootstocks Planted in 1997
  •  Acreage of Rootstocks Planted in 1997 in Sonoma and Napa Counties
  •  Acreage of Scion Varieties Planted in 1997
  •  Acres of AXR#1 Vineyards Interplanted or Inarch/Approach Grafted in 1997