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

Comparison of Pierce's disease in resistant, tolerant, and susceptible grape varieties: Correlation of xylem structure and Xylella fastidiosa infection.

PIs: B. Greg Cobb


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Funding Sources:

  • Funded by: USDA - Texas Fund
  • Budget: $21,000
  • Start date: July 01, 2006
  • Stop date: July 01, 2007
  • Status: APPROVED