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Educational Materials: Detailed Descriptions

Pierce's Disease

Published 2001 · Publication 21600 · 20 pages

Photo of cover of publication, Pierce's Disease.

UC plant pathologists believe that the bacterium that causes Pierce's disease in grapes, Xylella fastidiosa, is probably in every county in the state of California where grapes are grown. Find out what you can do to combat this major threat to the grape industry.

This new publication covers the symptoms of Pierce's disease and offers strategies for management. Included is a description of Pierce's disease incidence in the various grape growing regions of California; descriptions of the four major insect vectors that spread the disease causing bacterium Xylella fastidiosa; and the role that alternative host plants play as a reservoir of the bacteria. Also included is information on the pattern of spread in vineyards by the different vectors; how to monitor the vectors; and a description of management strategies you can use in your vineyard.


How to order

This publication is available from the UC ANR Communication Services catalog. It is also available by mail, by telephone, or through the ANR sales offices and many UC County Cooperative Extension offices. For locations and more information, see "How to Order Publications."


Well-Illustrated

Pierce's Disease is illustrated with four tables and 21 color photographs.

List of Contents

Introduction
Symptoms of Pierce's Disease
  • Late Summer and Fall Symptoms during the First Year of Infection ·  Symptoms of Chronically Infected Vines · Grapevine Susceptibility
Xylella fastidiosa
  • Host Plants of Xylella fastidiosa ·  Diagnostic Tests for Xylella fastidiosa
Insect Vectors of Xylella fastidiosa
  • Vector Descriptions and Life Cycles ·  Vector Habitat ·  Disease Incidence and Spread in Vineyards ·  Spread by the Blue-Green Sharpshooter ·  Spread by the Glassy-Winged Sharpshooter ·  Spread by the Green and Red-Headed Sharpshooters ·  Spread by Other Sources
Vector Monitoring
  • Yellow Sticky Traps and Tape ·  Beating Tray Samples ·  Visual Inspection ·  Sweep Net
Management
  • Biological Control ·  Vine Removal and Cutting Back Permanent Wood ·  Riparian Vegetation Management ·  Weed Management ·  Insecticides
More Information

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Statewide IPM Program, Agriculture and Natural Resources, University of California
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