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UK Risk Register Details for Ophiostoma novo-ulmi

Pest has been archived

This pest has been assessed for the Risk Register and is considered to pose a low risk to the UK. The information on this pest was correct as of 03/07/2020, but is no longer actively maintained. It will only be updated if new information is received which indicates the potential for a significant increase in risk to the UK.

This record was last updated on 08/06/2022

Common Names

  • Dutch elm disease (aggressive form)

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest spreads to maximum extent

Pathway Assessed for Entry to UK

  • show / hide

Common Pathways

  • show / hide
  • Plants for planting (except seeds bulbs and tubers)
  • Non-squared wood
  • Bark
  • Natural spread

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 4
Spread [1 - 5] 3
Impact [1 - 5] 4
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 16
UK Relative Risk Rating [1 - 125] 48

Current Mitigations

  • show / hide

Key mitigation for pest

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 3
Impact [1 - 5] 4
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 12
UK Relative Risk Rating [1 - 125] 36

Proposed Actions

Proposed Actions

Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Distribution and Pest Details

Distribution

Country / Territory Status Notes
Europe
United Kingdom Present (Widespread)
Austria Present
Belgium Present
Bulgaria Present
Croatia Present
Czech Republic Present
Denmark Present
France Present
Germany Present
Greece Present
Hungary Present
Ireland Present
Italy Present
Netherlands Present
Poland Present
Portugal Present
Romania Present
Slovakia Present
Slovenia Present
Spain Present
Sweden Present
Türkiye Present
North America
United States Present
Canada Present
Asia
Armenia Present
Azerbaijan Present
Georgia Present
Iran Present
Kazakhstan Present
Uzbekistan Present
Japan Present

Type of Pest

  • Fungus

Host or Industry at Risk

  • show / hide

Ulmus

Major Hosts

  • Ulmus L.
  • Ulmus glabra Huds. em. Moss
  • Ulmus minor Mill. em. Richens
  • Ulmus procera Salisb.
  • Zelkova Spach

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

  • show / hide

Not currently listed

Actions Indicated

  • show / hide

Action

No statutory action

General Comments

Dutch elm disease. Local authorities with significant healthy elm populations need to consider the potential benefits of retaining or enhancing controls.