Quantitative Assessment of Consequences of Quarantine Plant Pathogen Introductions: From Crop Losses to Environmental Impact

Affiliation
Imperial College London, Centre for Environmental Policy, UK
Jeger, Michael;
Affiliation
European Food Safety Authority, Animal and Plant Health Unit, Italy
Stancanelli, Giuseppe;
Affiliation
University of Brescia, Department of Molecular and Translational Medicine, Italy
Gilioli, Gianni;
Affiliation
Agricultural Institute of Slovenia, Plant Protection Department, Slovenia
Urek, Gregor;
Affiliation
University of Florida, Department of Plant Pathology and Emerging Pathogens Institute, USA
van Bruggen, Ariena;
Affiliation
Université libre de Bruxelles, Spatial Epidemiology, Belgium
Grégoire, Jean-Claude;
Affiliation
Università Cattolica del Sacro Cuore, Department of Sustainable Crop Production – DI.PRO.VE.S, Italy
Rossi, Vittorio;
Affiliation
Wageningen University, Centre for Crop Systems Analysis, The Netherlands
van der Werf, Wopke;
Affiliation
Department for environment, food and rural affairs, UK
MacLeod, Alan;
GND
105893614X
Affiliation
Julius Kühn-Institute (JKI), Institute for National and International Plant Health, Germany
Schrader, Gritta;
Affiliation
European Food Safety Authority, Animal and Plant Health Unit, Italy
Vos, Sybren;
Affiliation
European Food Safety Authority, Animal and Plant Health Unit, Italy
Kozelska, Svetla;
Affiliation
European Food Safety Authority, Animal and Plant Health Unit, Italy
Pautasso, Marco;
Affiliation
European Food Safety Authority, Animal and Plant Health Unit, Italy
Gardi, Ciro;
Affiliation
European Food Safety Authority, Assessment and Methodological Support Unit, Italy
Mosbach-Schulz, Olaf

Pest risk assessments are required to take phytosanitary measures to protect plant health. In the European Union, the Scientific Panel on Plant Health (PLH) of the European Food Safety Authority was established in 2006 as the reference body for risk assessment in the plant health area. Risk assessments address four steps: introduction, establishment, spread and consequences. Until recently, the PLH Panel had made risk assessments requested by the European Commission using qualitative approaches which typically gave risk and associated uncertainty ratings based on ordinal scales. The PLH Panel has now developed guidance on a methodology for quantitative assessment of these four stages. In this chapter, we outline key features of this methodology when applied to assessment of consequences, including both crop and environmental impacts, of the introduction and spread of quarantine plant pathogens into new territories. The methodology is then applied to four case studies Diaporthe vaccinii, Cryphonectria parasitica, Ditylenchus destructor, and the Flavescence dorée phytoplasma – plant pathogens representing a range of taxa, host types and cropping systems.

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