Pest categorisation of Venturia nashicola

Michael Jeger, Claude Bragard, David Caffier, Thierry Candresse, Elisavet Chatzivassiliou, Katharina Dehnen‐schmutz, Gianni Gilioli, Jean‐claude Gregoire, Josep Anton Jaques Miret, Alan Macleod, Maria Navajas Navarro, Björn Niere, Stephen Parnell, Roel Potting, Trond Rafoss, Gregor Urek, Ariena Van Bruggen, Wopke Van der Werf, Jonathan West, Stephan WinterElisa Gonzalez Dominguez, Antonio Vicent, Irene Vloutoglou, Bernard Bottex, Vittorio Rossi

Risultato della ricerca: Contributo in rivistaArticolo in rivista


The Panelon Plant Health performed a pest categorisation of Venturianashicola, the causal agent of Asian pear scab, for the European Union (EU). The pathogen is a well-defined, distinguishable fungal species affecting Pyruspyrifolia var. culta, P.ussuriensis and P.bretschneideri in Asian countries. P.communis (European pear) is not a host of V.nashicola, but the host status of other Pyrus species is unclear. V.nashicola is not known to occur in the EU. It is listed in Annex IIAI of Directive 2000/29/EC. The pathogen could potentially enter the EU on host plants for planting and fruit originated in infested countries. There are no climatic factors limiting the potential establishment and spread of the pathogen in the EU, as its epidemiology is similar to those of Venturiainaequalis (apple scab) and Venturiapyrina (European pear scab), which are well-established in the EU. The hosts are present in the EU, but no data were found on their abundance and distribution. In the infested areas, V.nashicola causes premature leaf and fruit drop and fruit distortion resulting in considerable yield/quality losses. The introduction of the pathogen into the EU could cause yield/quality losses and environmental consequences because of the additional fungicide sprays for disease control. Cultural practices and chemical measures applied in the infested areas reduce the inoculum sources but they cannot eliminate the pathogen. Phytosanitary measures are available to mitigate the risk of introduction and spread of the pathogen in the EU. All criteria assessed by EFSA for consideration as a potential Union quarantine pest are met. As V.nashicola is not known to occur in the EU, this criterion assessed by EFSA to consider it as a Union regulated non-quarantine pest is not met. (C) 2017 European Food Safety Authority. EFSA Journal published by John Wiley and Sons Ltd on behalf of European Food Safety Authority.
Lingua originaleEnglish
pagine (da-a)1-22
Numero di pagine22
RivistaEFSA Journal
Stato di pubblicazionePubblicato - 2017


  • Asian pear scab
  • European Union
  • Pyrus spp.
  • host distribution
  • plant health
  • quarantine


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