Update of the Xylella spp. host plant database – Systematic literature search up to 30 June 2024
2025
European Food Safety Authority (EFSA) | Vincenzo Cavalieri | Elisa Fasanelli | Giandomenico Furnari | Davide Gibin | Alicia Gutierrez Linares | Pierfederico La Notte | Luca Pasinato | Giuseppe Stancanelli | Alice Delbianco
Abstract This scientific report provides an update of the Xylella spp. host plant database, aiming to provide information and scientific support to risk assessors, risk managers and researchers dealing with Xylella spp. Upon a mandate of the European Commission, EFSA created and regularly updates a database of host plant species of Xylella spp. The current mandate covers the period 2021–2026. This report is related to the 11th version of the database published in Zenodo in the EFSA Knowledge Junction community, covering literature published from 1 January 2024 up to 30 June 2024, and recent Europhyt outbreak notifications. Informative data have been extracted from 27 selected publications. One new host plant (Quercus orocantabrica) was identified and added to the database. It was naturally infected by X. fastidiosa subsp. fastidiosa in Portugal. No additional data were retrieved for X. taiwanensis, and no additional multilocus sequence tipes (STs) were identified worldwide. New information on the tolerant/resistant response of plant species to X. fastidiosa infection were added to the database. The Xylella spp. host plant species were listed in different categories based on the number and type of detection methods applied for each finding. The overall number of Xylella spp. host plants determined with at least two different detection methods or positive with one method (between sequencing and pure culture isolation (category A), reaches now 452 plant species, 204 genera and 70 families. Such numbers rise to 713 plant species, 312 genera and 89 families if considered regardless of the detection methods applied (category E).
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