In the 1880s, Pierce’s disease caused a devastating, total collapse of the Southern California grapevine industry. Today, growers have hope for the future thanks to new varieties. Adam Tolmach, owner of Ojai Vineyard, planted four of these new varieties as a field trial on a plot of land where...
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Afternoon Brief: Referendum Passes to Continue the Pierce's Disease Control Program
The California Department of Food and Agriculture has officially certified the results of the Winegrape Grower Continuation Referendum for the Pierce's Disease Control Program, with 76.56% of votes cast in favor, surpassing the minimum threshold required to continue this vital program...
Palo Alto, CA – April 27, 2021– A&P Inphatec, a specialist developer of bacteriophages, announced today the release of important new field trial data on the efficacy of XylPhi-PD™, the biologically based reduction of Pierce’s Disease (PD) in grapevines. XylPhi-PD™ is OMRI-listed and...
Read MoreAfternoon Brief: 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 Pierces Disease and Glassy-Winged Sharpshooter (PD/GWSS) Assessment for another five years through 2031...
Afternoon Brief: 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 Agricultures Pierces disease (PD) and glassy-winged sharpshooter (GWSS) prevention, control and research efforts save California winegrape growers $56 million annually by reducing losses from the fatal grapevine disease...
Back by popular demand, this year's Sustainable Ag Expo online courses* invite you to learn from top researchers and experts at your convenience. Explore topics like: Advances and Challenges of Breeding Powdery Mildew-Resistant Grape Cultivars Using Tremology to Monitor and Manage Insect Pests...
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Afternoon Brief, July 11th
PD/GWSS Winegrape Assessment Set at $1.25 for 2023 Harvest: To continue funding crucial research combating winegrape pests and diseases, the Pierce’s Disease/Glassy-Winged Sharpshooter Board kept the PD/GWSS Winegrape Assessment rate at $1.25 per $1,000 value for the 2023 harvest...