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 year

2009, 2009, 2009, 2009, 2009, 2009, 2009, 2009

Mar 2009 news archives

  • Official fights tree disease
    Capital Press on March 5, 2009

    "He has been a leading force in unifying state, federal and local efforts to prevent and abate such pests as the Mediterranean and other fruit flies, glassy-winged sharpshooter and our current proble...


  • A county report urges control of vineyard pests in Temecula Wine ...
    Trading Markets on March 3, 2009

    The report by the Riverside County Agricultural Commissioner's Office doesn't predict a new epidemic, but urges growers to do their part to control the glassy-winged sharpshooter. If the population i...


  • Earmarks worthwhile, Farr says
    Monterey County Herald on March 10, 2009

    Those include about $1.1 million for pest detection work; $704000 for fresh produce food-safety programs, $1.5 million to combat Pierce's disease in vineyards, $1.4 million for a viticulture consorti...


  • Research into vineyard disease bearing fruit
    San Diego Union Tribune on March 20, 2009

    Among other things, the money pays for spraying insecticides in the Central Valley to keep the glassy-winged sharpshooter – the insect that spreads the disease – from moving farther north and wreakin...


  • Research into devastating vineyard disease producing results
    Santa Rosa Press Democrat on March 20, 2009

    Among other things, the money pays for spraying insecticides in the Central Valley to keep the glassy-winged sharpshooter - the insect that spreads the disease - from moving farther north and wreakin...


  • Grape Vine Researchers Works Magic with Vaccines
    Grape Vine Researchers Works Magic with Vaccines
    NBC Los Angeles on March 20, 2009

    Among other things, the money pays for spraying insecticides in the Central Valley to keep the glassy-winged sharpshooter -- the insect that spreads the disease -- from moving farther north and wreak...


  • Research into vineyard disease bearing fruit
    Capital Press on March 21, 2009

    Among other things, the money pays for spraying insecticides in the Central Valley to keep the glassy-winged sharpshooter - the insect that spreads the disease - from moving farther north and wreakin...


  • Vineyard vaccine (The Monterey County Herald)
    Vineyard vaccine on March 21, 2009

    RIVERSIDE — Researcher Caroline Roper turned a potted grape vine onto its side and treated the stem with a clear liquid intended to protect it from the ravages of Pierce's disease....


  • The Dirt: Weeding out botanical rogues
    San Francisco Chronicle on March 21, 2009

    Some - the Mediterranean fruit fly, the glassy-winged sharpshooter, the light brown apple moth - pose threats to agriculture. The exotic yellow star thistle is toxic to horses. Other exotic plants fo...


  • FYI Datebook: Events calendar for North County
    San Diego Union Tribune on March 29, 2009

    Features seminar on the wine industry and an update on the Pierce's Disease control program. (800) 801-WINE. Palomar Chamber Singers and Palomar Women's Chorus, 12:30 pm Thursday, Palomar College, 11...


  • Research into vineyard disease bearing fruit
    IdahoStatesman.com on March 25, 2009

    Among other things, the money pays for spraying insecticides in the Central Valley to keep the glassy-winged sharpshooter - the insect that spreads the disease - from moving farther north and wreakin...


  • Vineyard disease bearing
    WWLP 22News on March 25, 2009

    Among other things, the money pays for spraying insecticides in the Central Valley to keep the glassy-winged sharpshooter, the insect that spreads the disease, from moving farther north and wreaking ...


  • Sixth Texas Pierce’s disease symposium set April 16 in Driftwood
    Southwest Farm Press on March 30, 2009

    Texas AgriLife Research and the Texas AgriLife Extension Service will host the sixth-annual Texas Pierce's Disease Symposium on April 16. The symposium will take place from 8:30 am to 5:30 pm at Thur...


  • Sixth Texas Pierce's disease symposium set April 16 in Driftwood
    Southwest Farm Press on March 30, 2009

    Texas AgriLife Research and the Texas AgriLife Extension Service will host the sixth-annual Texas Pierce's Disease Symposium on April 16. The symposium will take place from 8:30 am to 5:30 pm at Thur...


  • FYI Datebook: Events calendar for North County
    San Diego Union Tribune on March 29, 2009

    Features seminar on the wine industry and an update on the Pierce's Disease control program. (800) 801-WINE. Palomar Chamber Singers and Palomar Women's Chorus, 12:30 pm Thursday, Palomar College, 11...


  • Research into vineyard disease bearing fruit (Kitchener
    Waterloo Record) on March 25, 2009

    RIVERSIDE, Calif. - Researcher Caroline Roper turned a potted grape vine onto its side and treated the stem with a clear liquid intended to protect it from the ravages of Pierce's disease....