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

June 2010 news archives

  • No Blow Movement Grows
    Dissident Voice 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 ...


  • UC Davis wine courses announced
    Western Farm Press 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 ...


  • Grapes for more than just wine
    Victoria Advocate 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 ...


  • US: Ag official worries about citrus heading to Tulare County
    FreshPlaza 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 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 ...


  • Wine Buzz: Spanish-English wine dictionary helps vintners, growers speak the ...
    Sacramento Bee June 09, 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 June 08, 2010

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


  • A school rooted in citrus history
    Press-Enterprise June 06, 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 ...


  • Search for Tulare County deputy ag commissioner difficult
    Visalia Times-Delta June 04, 2010

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


  • Plan slashes Sonoma County budget by 7 percent
    Santa Rosa Press Democrat June 01, 2010

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