A climate-driven epidemiological model for Pierce disease of grapevines

The vector-borne bacterium Xylella fastidiosa is responsible for Pierce's disease (PD), a fatal grapevine disease
that originated in the Americas. The international trade in plants is expanding the geographic range of this
pathogen, which represents a new threat to viticulture worldwide, especially in Europe. To assess the potential
incidence of PD, we have built a climate-driven dynamic epidemiological model based on the response of 36 grapevine
varieties to the pathogen in inoculation trials and on the spatial distribution of vectors. The model has been
applied to past, present and future climate projections, allowing to explain the origins of PD in Europe, highlight
current risk areas with great precision and assess future risk.

Presential in seminar room, with parallel Zoom stream at 


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Manuel Matías

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