title: Sentinel trees as a tool to forecast invasions of alien plant pathogens.
abstract: Recent disease outbreaks caused by alien invasive pathogens into European forests posed a serious threat to forest sustainability with relevant environmental and economic effects. Many of the alien tree pathogens recently introduced into Europe were not previously included on any quarantine lists, thus they were not subject to phytosanitary inspections. The identification and description of alien fungi potentially pathogenic to native European flora before their introduction in Europe, is a paramount need in order to limit the risk of invasion and the impact to forest ecosystems. To determine the potential invasive fungi, a sentinel trees plot was established in Fuyang, China, using healthy seedlings of European tree species including Quercus petreae, Q. suber, and Q. ilex. The fungal assemblage associated with symptomatic specimens was studied using the tag-encoded 454 pyrosequencing of the nuclear ribosomal internal transcribed spacer-1 (ITS 1). Taxa with probable Asiatic origin were identified and included plant pathogenic genera. These results indicate that sentinel plants may be a strategic tool to improve the prevention of bioinvasions.
authors.affiliation: DIBAF, University of Tuscia, Viterbo, Italy.
authors.forename: AnnaMaria
authors.initials: A
authors.lastname: Vettraino
authors.affiliation: INRA-UR633, Zoologie Forestière, Centre de recherche d'Orléans, Orléans, France.
authors.forename: Alain
authors.initials: A
authors.lastname: Roques
authors.affiliation: INRA-UR633, Zoologie Forestière, Centre de recherche d'Orléans, Orléans, France.
authors.forename: Annie
authors.initials: A
authors.lastname: Yart
authors.affiliation: School of Forestry and Bio-technology, Zhejiang A & F University, Lin'an, China.
authors.forename: Jian-ting
authors.initials: JT
authors.lastname: Fan
authors.affiliation: State key laboratory of Integrated Management of pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.
authors.forename: Jiang-hua
authors.initials: JH
authors.lastname: Sun
authors.affiliation: DIBAF, University of Tuscia, Viterbo, Italy.
authors.forename: Andrea
authors.initials: A
authors.lastname: Vannini
mesh_terms: D005544:Forecasting; D005658:Fungi / Q000472:pathogenicity*; D058865:Introduced Species; D010935:Plant Diseases / Q000382:microbiology*; D014197:Trees / Q000382:microbiology*
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