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 2009 news archives

  • North Bay reps secure fed. funding
    abc7news.com February 26, 2009

    The money secured by Woolsey and Thompson includes $427500 for preliminary engineering plans for the Sonoma-Marin Area Rail Transit District; $5.3 million for Sudden Oak Death and $24.5 million to fi ...


  • ‘Sharpshooter’ gains a comeback
    Inland Empire News February 25, 2009

    There’s been a resurgence of the glassy-winged sharpshooter in the Temecula Wine Country. The insect first appeared more than 10-years ago and decimated 40 percent of the vineyards. Most of the vines ...


  • ECOLOGY: California steps up effort to halt invasive species
    North County Times February 16, 2009

    Other threats the council will be studying include: the glassy-winged sharpshooter, which transmits the fatal Pierce's disease to grape vines; the Asian gypsy moth and longhorned beetle, which threat ...


  • Ag commissioner muses on 37 years of service
    Ukiah Daily Journal February 11, 2009

    In addition to certifying and sealing scales, Bengston was responsible for controlling what he calls the "pest du jour" - perhaps a glassy winged sharpshooter, light brown apple moth or yellow star t ...


  • California steps up effort to halt invasive species
    Sierra Sun February 11, 2009

    Other threats the council will be studying include: the Glassy-Winged Sharpshooter, which transmits the fatal Pierce's Disease to grape vines; the Asian gypsy moth and longhorneed beetle, which threa ...


  • A Garden View: Winter chores and dying oleanders
    Contra Costa Times February 07, 2009

    Oleanders are dying from oleander leaf scorch, a disease caused by a bacterium known as Xylella fastidiosa — related to, but not the same as, Pierce's disease in grapevines. The pathogen attacks the ...


  • Oleanders are Dying in San Diego (San Diego Reader)
    Oleanders are Dying in San Diego February 06, 2009

    A bacterium commonly identified with grape vines (Xylella fastidiosa) is the suspected cause of “oleander leaf scorch,” which is resulting in the slow deaths of thousands of oleanders in San Diego Co ...