This pest of worldwide significance poses a threat to agricultural Oct. 1, 2020. At least 50 trees infected with the deadly plant pathogen have been discovered in a Xylella fastidiosa buffer zone, … XF-ACTORS is the first research project in Europe entirely devoted to research on the bacterium Xylella fastidiosa. Xylella Outbreak in Apulian Buffer Zone Puts Millenary Trees at Risk . Xylella fastidiosa is one of the most dangerous plant-pathogenic bacteria worldwide. A multidisciplinary research program implemented by an international consortium of 29 partners. At the request of the European Commission, EFSA prepared specific guidelines for the survey of Xylella fastidiosa to guide the survey or through the design of statistically sound and risk‐based surveys, … Most X. fastidiosa … Xylella fastidiosa has a very wide host range: as of 2020, its known host range was 595 plant species, with 343 species confirmed via two different detection methods, in 85 botanical families. Funded by the European Commission as part of the Horizon 2020 …