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Theses/Dissertations

Master's Theses and Project Reports

Agronomy and Crop Sciences

2010

Pierce’s Disease

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Environmental Variables Influencing The Severity Of Pierce’S Disease In California Grapevines, Christopher James Boisseranc Jun 2010

Environmental Variables Influencing The Severity Of Pierce’S Disease In California Grapevines, Christopher James Boisseranc

Master's Theses and Project Reports

This project was designed to correlate environmental variables with the development of Pierce’s Disease (PD), an infection caused by the gram negative bacterium Xylella fastidiosa (Xf), in grapes (Hopkins et al. 2002). PD is one of the most difficult crop pathogens to manage because it is vectored by insects and its continued presence in the vine is usually fatal. PD is influenced by the interaction of host, disease and vector, and probably many other environmental variables. The general objective was to study and identify the most important variables involved in the expression of Pierce’s Disease.

Over a two ...