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

October 2012 news archives

  • Fresno County targets grape pest in Easton
    Fresno Bee October 09, 2012

    Fresno Bee Fresno County targets grape pest in Easton Fresno Bee The county has been fighting the glassy-winged sharpshooter for more than a decade and has managed to keep the pest from infesting commercial vineyards. Grape growers fear the pest because it can carry the vine-killing Pierces disease ...


  • Fresno County attacks grape pest in Easton
    Fresno Bee October 09, 2012

    Fresno Bee Fresno County attacks grape pest in Easton Fresno Bee The county has been fighting the glassy-winged sharpshooter for more than a decade and has managed to keep the pest from infesting commercial vineyards. Grape growers fear the pest because it can carry the vine-killing Pierces disease ...