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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

IMPACT OF SUB-LETHAL DOSES OF NEONICOTINOIDS ON GLASSY-WINGED SHARPSHOOTER FEEDING AND TRANSMISSION OF PIERCES DISEASE

  • Author(s): Blua, Matthew; Redak, Richard;
  • Abstract: The current epidemic of Pierces disease (PD) of grapevines spread by the glassy-winged sharpshooter (GWSS), Homalodisca coagulata, has characteristics that are remarkably different from outbreaks previously known in California since the 1880s (Gardner and Hewitt 1974). At the crux of this difference is the remarkable speed of these epidemics, and the distance of disease spread from the edge of the vineyard (Perring et al, 2001). The most important aspects of the GWSS that account for the rapid epidemic of PD are twofold: (1) the GWSS has a propensity to fly long distances into a vineyard, thus spreading
  • Publication Date: Dec 2001
  • Journal: 2001 Pierce's Disease Research Symposium

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