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

Characterization of neonicotinoids and their plant metabolites in citrus trees and grapevines, and evaluation of their efficacy against the glassy-winged sharpshooter and the egg parasitoid Gonatocerus ashmeadi.

PIs: Nick Toscano; Frank Byrne


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Funding Sources:

  • Funded by: UC - PD Fund
  • Budget: $93,318
  • Start date: January 01, 2005
  • Stop date: January 01, 2007
  • Status: APPROVED