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Pierce's Disease
Research Updates

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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

POTENTIAL ISOLATES OF THE ENTOMOPATHOGENIC FUNGUS BEAUVERIA BASSIANA FOR GLASSY-WINGED SHARPSHOOTER CONTROL

  • Author(s): Dara, Surendra; Kaya, Harry; McGuire, Michael;
  • Abstract: Two California isolates and a Texas isolate of the entomopathogenic fungus, Beauveria bassiana (Balsamo) Vuillemin, demonstrated their potential as effective pathogens of the glassy-winged sharpshooter (GWSS), Homalodisca vitripennis (formerly H. coagulata). Virulence of these isolates evaluated in the laboratory assays at different conidial concentrations and in small caged tests was similar. Adult GWSS feeding on plants sprayed with fungal inoculum were infected and killed by the fungus in the caged tests. When conidia were exposed to sun light and assessed for their viability, the two California isolates appeared to be more tolerant of solar radiation.
  • Publication Date: Nov 2006
  • Journal: 2006 Pierce's Disease Research Symposium

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