news and research about Pierce's Disease

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.

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Jun 2010 news archives

  • Plan slashes Sonoma County budget by 7 percent
    Santa Rosa Press Democrat on June 1, 2010

    Reduced farm inspections for invasive pests such as the European grapevine moth, glassy-winged sharpshooter and light-brown apple moth,...

  • Search for Tulare County deputy ag commissioner difficult
    Visalia Times-Delta on June 4, 2010

    ... noxious-weed control, roadway-weed control, ground squirrel control, gathering crop statistics and the glassy-winged sharpshooter control program. ... and more...

  • A school rooted in citrus history
    Press-Enterprise on June 6, 2010

    The school's scientists also had a big hand in helping Temecula grape growers battle the glassy-winged sharpshooter . You can also thank the school's ... and more...

  • Wine Buzz: Spanish-English wine dictionary helps vintners, growers speak the ...
    Sacramento Bee on June 9, 2010

    In other words, how do you say " glassy winged sharpshooter " or "sulfur dioxide" in Spanish? Better consult the English/Spanish Dictionary...

  • California politics, and what we don't know
    Los Angeles Times on June 8, 2010

    ... in various districts debate everything from hunger to cargo theft to the invasion of the glassy-winged sharpshooter and its impact on viticulture...

  • US: Ag official worries about citrus heading to Tulare County
    FreshPlaza on June 15, 2010

    “They found out with glassy winged sharpshooter infestations that if they rinsed or brushed the fruit they drastically reduced the number of insects would...

  • Ag official worries about citrus loads heading to Tulare County
    Porterville Recorder on June 14, 2010

    “They found out with glassy winged sharpshooter infestations that if they rinsed or brushed the fruit they drastically reduced the number of insects would...

  • Grapes for more than just wine
    Victoria Advocate on June 23, 2010

    These include Pierce disease in South and East Texas and black rot during wet-rainy periods (select tolerant varieties to avoid this); cotton root rot on...

  • UC Davis wine courses announced
    Western Farm Press on June 30, 2010

    This year's topics include: breeding grapevines for Pierce's Disease resistance; controlling grape fungal disease such as powdery mildew and Botrytis bunch...

  • No Blow Movement Grows
    Dissident Voice on June 30, 2010

    That group managed to prevent the powerful wine industry from spraying homes and land against the glassy-winged sharpshooter pest without owner's ... and more...