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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

PD/GWSS Board Now Accepting Research and Outreach Proposals


The PD/GWSS Board is now accepting proposals for projects on Pierce’s disease; its vectors including the glassy-winged sharpshooter; grapevine red blotch, leaf roll, and fanleaf viral diseases; mealybugs; brown-marmorated stink bug; spotted lanternfly.

Applications are due January 31, 2025.

Review the RFP and apply online here.

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