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

Field evaluation of grape plants expressing PR1 and UT456 transgenic DNA sequences for protection against Pierce's disease.

PIs: David Gilchrist


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Funding Sources:

  • Funded by: CDFA - Pierce's Disease and Glassy-winged Sharpshooter Board
  • Budget: $45,370
  • Start date: July 01, 2009
  • Stop date: June 30, 2013
  • Status: APPROVED