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.

Latest Announcements



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  • Meeting of the PD/GWSS Board Meeting & Pierce's Disease Advisory Task Force

    Date: Monday, June 22, 2009
    Time: 10:00 am - 3:15 pm
    Location: Auditorium, California Department of Food & Agriculture, 1220 N Street, Sacramento, CA 95814
    Contact: Janet LeMasters (916) 651-0253


    Date Published: June 15, 2009
  • 2008 Pierce's Disease Symposium Presentations
    Areawide Suppression
of the Glassy-winged Sharpshooter - Beth Stone Smith Pierce's Disease Conference 2008 Every year, the CDFA/GWSS Board organizes a research symposium in San Diego focused on Pierce’s Disease and its vectors. At this gathering, growers and researchers meet to solve the threat posed by Pierce’s Disease and discuss the latest research aimed at stopping it’s spread.

    Date Published: May 11, 2009
  • Upcoming Events within the Pierce's Disease Community
    Spring time brings with it a flurry of events and good opportunities for researchers and regulatory agencies to share their experiences in halting the spread of Pierce's Disease. Click below to get a list of upcoming meetings within our community.


    Date Published: April 15, 2009
  • 2008 Pierces Research Disease Symposium
    when: December 15-17 2008
    where: Westin Gaslamp Hotel , 910 Broadway Circle, San Diego, California 92101
    Date Published: February 20, 2009
  • Request for Pierce's Disease Research Proposal 2009
    Deadline: January 16, 2009

    Date Published: February 20, 2009