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TITLE Assessing the risk posed by Phytophthora ramorum, a key quarantine organism   rapra_en.pdf (4.07 MB)
Document ID LIB137
Document type EC RTD Programmes projects / results
Issue date 08/03/2005
Document reference RAPRA
Original language of the document English
Document produced by EC-Research and Innovation DG organisation visiting card
Document requested by EC-Research and Innovation DG organisation visiting card
Scientific domains
Policy domains
  • Agriculture


Short description  RAPRA aims to develop a European Pest Risk Analysis (PRA) for P. ramorum.
The project will:
· Document geographic range, host range, and all aspects of the pathogen’s epidemiology
· Assess the potential for sexual reproduction between US and European populations
· Establish the susceptibility of tree and non-tree species to different mating types
· Evaluate the likely environmental and socio-economic impacts of pest outbreaks
· Evaluate existing chemical control measures and test new active ingredients against P. ramorum
· Develop contingency plans and harmonised risk management strategies for P. ramorum in Europe
Abstract (focusing on the key recommendations)  The pathogen Phytophthora ramorum causes Sudden Oak Death, which has resulted in extensive oak mortality in parts of the USA. It also affects a range of other woodland trees and herbaceous plants. P. ramorum has been found on ornamentals in Europe. However, populations of P. ramorum from Europe and the USA differ genetically, with different mating types predominating. There is an urgent nee ...

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