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Environmental Variables Influencing The Severity Of Pierce's Disease In California Grapevines, Christopher James Boisseranc
Environmental Variables Influencing The Severity Of Pierce's Disease In California Grapevines, Christopher James Boisseranc
Master's Theses
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 year period, …