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

No Pierce's Disease Research Symposium in 2017


A Pierce's Disease Research Symposium will not be held in 2017.

A collection of research progress reports, similar to the annual Proceedings, will be prepared and available in late December 2017.