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UK Risk Register Details for Pseudomonas syringae pv. ulmi

Please note: there are high levels of uncertainty associated with the risk scores for this pest.

This record was last updated on 22/06/2022

Common Names

  • Leaf spot, bacterial : elm
  • Shoot blight, bacterial : elm

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

Pathway Assessed for Entry to UK

  • show / hide
  • Plants for planting (except seeds bulbs and tubers)

Common Pathways

  • show / hide
  • Plants for planting (except seeds bulbs and tubers)
  • Cut flowers or branches

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 2
Impact [1 - 5] 3
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 9
UK Relative Risk Rating [1 - 125] 27

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] 2
Impact [1 - 5] 3
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 9
UK Relative Risk Rating [1 - 125] 27

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 Unknown One finding on imported trees.
Bosnia-Herzegovina Unknown Present in former Yugoslavia, but specific location unknown
Croatia Unknown Present in former Yugoslavia, but specific location unknown
Kosovo Unknown Present in former Yugoslavia, but specific location unknown
Republic of North Macedonia Unknown Present in former Yugoslavia, but specific location unknown
Slovenia Unknown Present in former Yugoslavia, but specific location unknown
Montenegro Unknown Present in former Yugoslavia, but specific location unknown
Serbia Unknown Present in former Yugoslavia, but specific location unknown
North America
United States Unknown

Type of Pest

  • Bacterium

Host or Industry at Risk

  • show / hide

Ulmus

Major Hosts

  • Ulmus L.
  • Ulmus procera Salisb.
  • Ulmus pumila L.

Threats to Protected Cultivation

  • N/A

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

Statutory action against interceptions

General Comments

Bacterial disease of elm, with limited availalbe information on distribution and impacts. Statutory action against interceptions will be taken on a precautionary basis to protect elm populations in the UK.

Further Information

Uncertainty

  • show / hide

Key uncertainty for pest

Distribution and impacts

Climate

Current distribution

Hosts

Impact

Pathways

Regulation

Taxonomy

UK distribution

Risk Records for this Pest