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.

Browse by month of 2010

News archives for 2010

  • Decade left its mark on county
    Visalia Times-Delta on January 1, 2010

    ... Commissioner's Office announced it would spend $700000 during the next two years on a detection program to combat the glassy-winged sharpshooter . ... and more...


  • Events that shaped our county, our lives
    Bakersfield Californian on January 2, 2010

    The glassy-winged sharpshooter infested grapevines, Kern's No. 1 crop in 2000. The pests spread Pierce's disease, which choked the plants of nutrients. ... and more...


  • Texas wine-grape growers will cluster for Feb. 12 Gulf Coast field day
    Media Newswire on January 4, 2010

    (press release) Additional presentations will address grape pest management, irrigation management and an update on Pierce's disease research. The program's keynote speaker...


  • Cold Benefits Local Wine Growers
    WXII12.com on January 5, 2010

    Cold Benefits Local Wine Growers WXII12.com ... parts of the grasshopper, and it can hop from plants to the vine and spread disease that's prevalent in North Carolina that's called Pierce's disease...


  • Interest in grapes on the rise
    Victoria Advocate on January 5, 2010

    Additional presentations will address grape pest management, irrigation management and an update on Pierce's disease research. A minimum of three continuing...


  • Water supply update – Wednesday
    Highland Radio on January 20, 2010

    There is also leakage in the Aughnagaddy GWSS and suspected leakage in the Glenmaquin GWSS . Ongoing interruptions to supply in these areas can be expected...


  • Viticulture briefs
    Santa Rosa Press Democrat on January 24, 2010

    From grapevine flowering to Pierce's disease and gopher control, the UC Cooperative Extension Sonoma County event will touch on numerous topics critical to...


  • UF's EPI poised to fight tomorrow's diseases
    Gainesville Sun on January 26, 2010

    Plant diseases include citrus canker, blight and greening, sudden oak death, soybean rust, Pierce's disease of grapes. • Animal diseases that can affect ... and more...


  • An Interview with one of Mexico's Premier Winemakers
    Mexidata.info on February 8, 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...


  • AGRICULTURE: State officials to set traps for European Grape Vine Moth
    North County Times on February 9, 2010

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


  • Smooth Sailing
    Foothills Sun Gazette on 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...


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

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


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

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


  • San Mateo County's agricultural commissioner retires
    Santa Cruz Sentinel on 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 on 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
    Contra Costa Times on 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
    San Jose Mercury News on 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...


  • USDA's improved raisin cultivars
    Western Farm Press on 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...


  • USDA Developing New Grape Cultivars
    PerishableNews on 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...


  • Traps set statewide for destructive grapevine moth
    Fresno Bee on 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...


  • Moth discovery threatens Calif. winemakers
    AZ Central.com on 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...


  • Ag officials target grape-eating pest
    Modesto Bee on 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,...


  • Grow local: A forum on food and local farming
    Napa Valley Register on March 1, 2010

    Heaven help us if a glassy winged sharpshooter /apple moth type bug gains a foothold. The goal of the story comments section at NapaValleyRegister.com is to ... and more...


  • Wine: Offices proposed for old Healdsburg winery
    North Bay Business Journal on March 6, 2010

    There also will be panels on mealybugs, leafroll virus, existing threats such as Pierce's disease and potential threats. Registration costs $85 for members ... and more...


  • Viticulture briefs
    Santa Rosa Press Democrat on March 7, 2010

    ... be eligible to vote on the program, known as the California Department of Food and Agriculture Pierce's Disease and Glassy-Winged Sharpshooter Board...