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 2010 news archives

  • Ag officials target grape-eating pest
    Modesto Bee February 27, 2010

    That insect has the potential to carry Pierce's disease , which wiped out 1000 acres of Temecula Valley vines. European grapevine moths feed on grapes, ...


  • Moth discovery threatens Calif. winemakers
    AZ Central.com February 25, 2010

    That bug has the potential to carry the vine-killing Pierce's disease , which wiped out about 1000 acres of vines in California's Temecula Valley. ... and more ...


  • Traps set statewide for destructive grapevine moth
    Fresno Bee February 25, 2010

    The European grapevine moth could become the most serious threat since the glassy-winged sharpshooter arrived half a decade ago. That bug has the potential ... and more ...


  • USDA Developing New Grape Cultivars
    PerishableNews February 24, 2010

    (press release) ... natural drying on the vine without cane-cutting; resistance to powdery mildew; resistance to Pierce's disease ; and high anthocyanins content ...


  • USDA's improved raisin cultivars
    Western Farm Press February 22, 2010

    In work on resistance to Pierce's disease , Ramming is collaborating with the University of California, Davis Viticulture Department, mainly with resistance ...


  • San Mateo County's agricultural commissioner retires
    San Jose Mercury News February 19, 2010

    ... the county's crops and natural resources from invasive pests such as the light brown apple moth, the glassy-winged sharpshooter and Sudden Oak Death. ... and more ...


  • San Mateo County's agricultural commissioner retires
    Contra Costa Times February 19, 2010

    ... the county's crops and natural resources from invasive pests such as the light brown apple moth, the glassy-winged sharpshooter and Sudden Oak Death. ... and more ...


  • Vintners, grape growers gathering
    KRQE February 19, 2010

    ... pesticides registered for grapes in the Southwest, soil analysis, irrigation water analysis, Pierce's disease and nematode research ...


  • San Mateo County's agricultural commissioner retires
    Santa Cruz Sentinel February 19, 2010

    ... the county's crops and natural resources from invasive pests such as the light brown apple moth, the glassy-winged sharpshooter and Sudden Oak Death. ... and more ...


  • Fort Worth winery and wine bar gets taste of success
    Fort Worth Star Telegram February 19, 2010

    That was sometimes hampered by fickle weather -- drought, freezes, hail -- and destructive Pierce's disease , which afflicts grapevines ...


  • Fort Worth winery and wine bar gets taste of success [Fort Worth Star-Telegram ...
    TMCnet February 18, 2010

    That was sometimes hampered by fickle weather -- drought, freezes, hail -- and destructive Pierce's disease , which afflicts grapevines. ... and more ...


  • Smooth Sailing
    Foothills Sun Gazette February 10, 2010

    The biggest threat to Tulare County ag came in the form a miniscule pest known as the glassy-winged sharpshooter . The half-inch-long brown insect feeds on ...


  • AGRICULTURE: State officials to set traps for European Grape Vine Moth
    North County Times February 09, 2010

    Should the European grape vine moth, Medfly, glassy-winged sharpshooter or any of hundreds of other pests establish themselves in California, ...


  • An Interview with one of Mexico's Premier Winemakers
    Mexidata.info February 08, 2010

    It's one of the more resistant vines to Pierce's Disease , and can withstand (more than Merlot) salinity in the water and the soil ...