Claim · model-written summary
M. medusae has had low impacts and restricted distribution in parts of the EU.
- Taxon
- M. medusae f. sp. deltoidae
Melampsora medusae f. sp. deltoidise0 - Outcome
- low impactse0
- Setting
- Belgium, south-west France and southern Portugale0
Verbatim
e0“M. medusae f. sp. deltoidae has been reported with a restricted distribution and low impacts from Belgium, south-west France and southern Portugal.”
Title
Pest categorisation of Melampsora medusae
EFSA Panel on Plant Health (PLH); Michael Jeger; Claude Bragard; et al. EFSA Journal 2018. doi:10.2903/j.efsa.2018.5354
Other claims from this paper (7)
- Observation Populus species are primary telial hosts and several conifer genera are secondary aecial hosts of M. medusae.
- Observation Extensive M. medusae damage has been reported in western Canadian conifer and poplar nurseries, plantations and woodlands.
- Observation M. medusae is damaging in Australia and New Zealand.
- Observation Aggressive M. medusae isolates could cause economic and environmental impacts in the EU.
- Recommendation Import prohibition of host plants for planting can reduce further introductions.
- Recommendation Increasing poplar plantation genetic diversity can prevent disease impacts.
- Observation Resistant Populus cultivars are available.