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

Epidemiology of Pierce's disease in southern California: Identifying inoculum sources and transmission pathways.

PIs: Donald Cooksey; Heather Costa


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Funding Sources:

  • Funded by: CDFA - Assembly Bill 1232
  • Budget: $255,000
  • Start date: May 01, 2000
  • Stop date: July 31, 2003
  • Status: APPROVED