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

November 2012 news archives

  • Extra-curriculars enhance students' high school experience
    InsideHalton.com November 15, 2012

    GWSS has many teams in which student can be involved, including basketball, football, volleyball, field hockey and cross country to name a few. Sports teams are important to help students become physically active and help promote a healthy lifestyle ...