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

National Academy of Sciences Grapevine Virus Research Review


The National Academy of Sciences conducted a comprehensive review of leafroll and red blotch virus research at the request of the PD/GWSS Board. Read the full report, the report highlights, review project details and view webinar recordings from meetings with researchers on the project website.