Pierce's Disease
Research Updates

piercesdisease.cdfa.ca.gov

What is Pierce's Disease?

Pierce's Disease is a bacterial infection, which is spread by bugs that feed on grapevines, particularly the "glassy winged sharpshooter." Grapevines that become infected with PD can quickly become sick and die.

glassy-winged sharpshooter

February 2012 news archives

  • Grape vineyard a nifty addition to neighborhood
    Your Houston News February 29, 2012

    Grape vineyard a nifty addition to neighborhood Your Houston News Texas grape vines have been plagued with Pierces Disease which is an insect-transmitted disease which will cause serious blockages in the vines xylem (equivalent to blood vessels in humans). Researchers from Los Alamos National Labor ...


  • Supervisors to consider extending agreement to fight crop pest
    Porterville Recorder February 27, 2012

    Supervisors to consider extending agreement to fight crop pest Porterville Recorder The Tulare County Board of Supervisors on Tuesday will consider extending an agreement with the US Department of Agriculture that would provide $570000 in funding for an area-wide glassy-winged sharpshooter manageme ...


  • Vintners adapt to changes
    Northern Virginia Daily February 25, 2012

    Vintners adapt to changes Northern Virginia Daily Warmer temperatures are bringing some "disfavored" effects, like Pierces disease , he said. "Its a bacterial disease of grapes, and its lethal to the vines," Wolf said. "Historically, its been in the southeastern part of the state, and weve seen a . ...


  • In the garden: Make gardening fun
    San Antonio Express February 24, 2012

    In the garden: Make gardening fun San Antonio Express These varieties have resistance to Pierces disease , which eliminates most other grapes in the first three years. If you prefer to use a natural organic granulated fertilizer formulation, this would be the ideal time to apply on your lawn at an ...


  • Genetic one-two punch may fight Pierce's disease in grapes
    TheGrower February 22, 2012

    A genetic one-two punch may keep Pierces disease , a deadly threat to the California winegrape industry, down for the count. University of California, Davis, plant sciences professor Abhaya Dandekar led the study into using two immune system defenses ... and more ...


  • California wines get major boost against Pierce's disease
    Western Farm Press February 21, 2012

    California wines get major boost against Pierces disease Western Farm Press Researchers have found a way to protect wine, despite the potential attack of Xylella fastidiosa (Xf), a bacterium that causes Pierces disease and poses a significant threat to the California wine industrys valuable grapevi ...


  • Sharpshooter finds on nursery plants are lowest in a decade
    California Farm Bureau February 21, 2012

    California Farm Bureau Sharpshooter finds on nursery plants are lowest in a decade California Farm Bureau The Pierces Disease /Glassy-winged Sharpshooter board said the pest detections on more than 44000 nursery stock shipments were the lowest number since the start of the inspection program nearly ...


  • A Pierce's Disease breakthrough?
    Central Valley Business Times February 21, 2012

    A Pierces Disease breakthrough? Central Valley Business Times After years of research, science may have had a breakthrough in efforts to combat the deadline grapevine killer known as Pierces Disease . Currently, there is no remedy once a vine is infected. In some parts of Southern California, the i ...


  • No money for flood control in Obama budget
    Napa Valley Register February 15, 2012

    No money for flood control in Obama budget Napa Valley Register Whitmer said he wasnt sure if the budget continued a trend of reducing funding for eradicating the glassy-winged sharpshooter . Last year, federal money for that program was reduced by $2.6 million. The sharpshooter infests some grape ...


  • State drops funds to fight light brown apple moth
    Napa Valley Register February 14, 2012

    State drops funds to fight light brown apple moth Napa Valley Register The real threat to Napa County agriculture, according to Whitmer, remains the glassy-winged sharpshooter that spreads Pierces disease . Thats the pest that keeps Whitmer awake at night. “The level of Pierces disease is at the le ...


  • REGION: Inland areas face spraying for pest
    Press-Enterprise February 09, 2012

    Then the glassy-winged sharpshooter attacked Inland vineyards and oleanders (the blight wiped out the ubiquitous oleanders along California freeways). In 2003, the regions pine forests were attacked by the bark beetle, leaving miles of trees dead and ... and more ...


  • GW's cannabis-based mouth spray gains Austrian OK for MS spasms
    FierceDrugDelivery February 08, 2012

    is your source for breaking news and insider analysis on the bio/pharmaceutical drug delivery industry. Sign up today to receive your FREE "insiders only" weekly email briefing! British drug developer GW Pharmaceutical will debut its ... and more ...