Learn about the latest grower-funded research to safeguard your vineyards against pests & diseases, including Pierce’s disease, glassy-winged sharpshooter, brown marmorated stink bug, mealybugs, spotted...
October 15, 2025 — An adult glassy-winged sharpshooter (GWSS) was found during routine trapping in Morgan Hill, Santa Clara County, in September.
The Pierce’s Disease Control Program (PDCP)...
July 17, 2025 — The Pierce’s Disease and Glassy-Winged Sharpshooter (PD/GWSS) Board has set the PD/GWSS Winegrape Assessment rate at $1.25 per $1,000 of crop value for the 2025 harvest—the fourth...
June 27, 2025 (Sacramento, CA) — The California Department of Food and Agriculture (CDFA) has officially certified the results of the Winegrape Grower Continuation Referendum for the Pierce’s Disease...
Winegrape Growers Urged to Vote on Pierce’s Disease and Glassy-Winged Sharpshooter Assessment by May 13: California winegrape growers are now receiving ballots in the mail to vote on extending the Pierce’s...
April 14, 2025 — California winegrape growers are now receiving ballots in the mail to vote on extending the Pierce’s Disease and Glassy-Winged Sharpshooter (PD/GWSS) Assessment for another five...
New Study Shows Pierce’s Disease Investment Saves Winegrape Growers $56 Million Annually: According to a study released today, the California Department of Food and Agriculture’s Pierce’s disease (PD)...
March 31, 2025 — According to a study released today, the California Department of Food and Agriculture’s Pierce’s disease (PD) and glassy-winged sharpshooter (GWSS) prevention, control and research...
Wine Industry Network Recognizes 5 Companies with 2024 WINnovation Awards: The winners of Wine Industry Network’s 12th annual WINnovation Awards for excellence in wine industry innovation are...
Learn about the latest grower-funded research to safeguard your vineyards against pests & diseases, including Pierce’s disease, glassy-winged sharpshooter, brown marmorated stink bug, mealybugs, spotted...
