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.

2018 Pierce's Disease Research Symposium


Date: December 18 and 19, 2018
Location: San Diego, California

The 2018 Pierce's Disease Research Symposium will be held December 18 and 19 in San Diego, California. The Symposium will feature presentations and posters covering recent research progress on Pierce's disease and other important pests and diseases of grapevines. For more information, please click here.