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.

The contribution of the pectin-degrading enzyme polygalacturonase (PG) in transmission of Xylella fastidiosa to grape, and use of PG-inhibitor proteins for transgenic resistance to Pierce's disease.

PIs: John Labavitch; Elaine Backus; David Morgan

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Funding Sources:

  • Funded by: CDFA - Pierce's Disease and Glassy-winged Sharpshooter Board
  • Budget: $151,276
  • Start date: July 01, 2004
  • Stop date: June 30, 2007
  • Status: APPROVED