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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

BIOLOGICAL, CULTURAL, GENETIC, AND CHEMICAL CONTROL OF PIERCES DISEASE: SIGNIFICANCE OF RIPARIAN PLANTS IN THE EPIDEMIOLOGY OF PIERCES DISEASE

  • Author(s): Baumgartner, Kendra; Purcell, Alexander; Walker, Andrew;
  • Abstract: Past research (Purcell, 1976, 1981) has demonstrated the direct relationship between incidence of Pierce's disease (PD) grapevines and proximity to riparian plants bordering vineyards in the North Coastal grape-growing region of California. Vineyard rows closest to riparian plants experience the heaviest losses, but the concentration of diseased vines decreases with increasing distance away from riparian plants. Riparian habitats adjacent to vineyards contain host plants that serve feeding and breeding hosts for Graphocephala atropunctata (blue-green sharpshooter, BGSS), the most efficient vector
  • Publication Date: Dec 2002
  • Journal: 2002 Pierce's Disease Research Symposium

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