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

Mechanisms of Pierce's disease transmission in grapevines: The xylem pathways and movement of Xylella fastidiosa.

PIs: Thomas Rost; Mark Matthews


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Funding Sources:

  • Funded by: CDFA - Pierce's Disease and Glassy-winged Sharpshooter Board
  • Budget: $462,341
  • Start date: May 01, 2002
  • Stop date: June 30, 2008
  • Status: APPROVED