Pierce's Disease
Research Updates


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

Propagating the premier US grape collection for protection in a foundation greenhouse (22-0563)

PIs: Maher Al Rwahnih


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Funding Sources:

  • Funded by: CDFA - Pierce's Disease and Glassy-winged Sharpshooter Board
  • Budget: $647,905
  • Start date: July 01, 2022
  • Stop date: June 30, 2025
  • Status: APPROVED