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

August 2009 news archives

  • Wine classes offer history, good taste
    Herald Zeitung August 30, 2009

    After the vineyard suffered through Pierce's disease , a grape-destroyer that is endemic to this area, Houser replanted. He came across the Black Spanish ... and more ...


  • New grape variety is disease resistan...
    University of Florida August 24, 2009

    Muscadines are typically resistant to Pierce's disease , which plagues many grape varieties grown in Florida, but they can be susceptible to bitter rot or ...


  • Mothballing vineyards pose biosecurity risks (Queensland Country Life)
    Mothballing vineyards pose biosecurity risks August 17, 2009

    AUSTRALIA'S wine and table grape industries are facing an escalating biosecurity challenge due to the increasing mothballing, and abandonment, of vineyards ...


  • California Nursery Industry Hosts Cal... - PR-USA.net
    PR-USA.net August 05, 2009

    (press release) Asian Citrus Psyllid, Light Brown Apple Moth, Sudden Oak Death, and Glassy - winged Sharpshooter were among the invasive pests discussed, along with the ... and more ...