Rapid Pest Risk Analysis for Gymnosporangium asiaticum
This rapid assessment shows:
Risk of entry: Current legislation adequately mitigates the entry risks associated with G. asiaticum and all pathways were scored as very unlikely.
Risk of establishment: The risk of establishment is scored as moderately likely outdoors and likely under protection.
Economic impact: Where G. asiaticum has been introduced in the USA the economic impact has been low due to minimal effects of native rosaceous (apart from P. pyrifolia). The restricted population of J. chinensis, which is planted as a garden ornamental in the UK, also limits the potential UK economic impacts from the pathogen, which are scored as low.
Endangered area: It is likely that G. asiaticum would be able to establish in the UK wherever J. chinensis is grown as a garden ornamental.
Risk management: Current legislation is adequate to prevent entry of G. asiaticum. When the pathogen has entered the UK in imported bonsai trees, post entry quarantine requirements and official inspections identified the infection and destroyed the plants before they were released.
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- United Kingdom