Pierce's Disease
Research Updates


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

November 2010 news archives

  • Norton is a potential bunch grape for commercial vineyard or home plantings in ...
    New Bern Sun Journal November 26, 2010

    Muscadines have good disease and insect resistance, and their resistance to Pierce's disease is especially significant. Generally speaking, bunch grape ... and more ...

  • Agriculture briefs
    Santa Rosa Press Democrat November 21, 2010

    The Certified Applicator Workshop will feature updates on such pests as the European grapevine moth and the glassy-winged sharpshooter ...

  • Extension Agent: Victoria Red
    Victoria Advocate November 09, 2010

    Also, many grapes they tried have died due to the prevalent Pierce's disease , but this one seems tolerant. One of the most significant characteristics of ...