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.

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