UK Risk Register Details for Clavibacter michiganensis subsp. michiganensis

This record was last updated on 19/05/2020

Common Names

  • Bacterial canker of tomato
  • Bird's eye of tomato fruits
  • Vascular wilt of tomato

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest spreads to maximum extent

Pathway Assessed for Entry to UK

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

Common Pathways

  • show / hide
This section is currently being developed as part of the next phase of the Risk Register.

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 2
Impact [1 - 5] 4
Value at Risk [1 - 5] 4
Likelihood x Impact [1 - 25] 12
UK Relative Risk Rating [1 - 125] 48

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated non quarantine pest



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 2
Impact [1 - 5] 3
Value at Risk [1 - 5] 4
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 24

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country Status Notes
Europe Present
Bulgaria Present
Switzerland Present
Cyprus Present
Czech Republic Present
Germany Present
Spain Present
France Present
United Kingdom Present (Limited)
Greece Present
Hungary Present
Italy Present
Lithuania Present
Latvia Present
Netherlands Present
Poland Present
Portugal Present under eradication
Romania Present
Serbia Present
Russia Present
Slovenia Present
Turkey Present
Ukraine Present
North America Present
Canada Present
Mexico Present
United States Present
South America Present
Argentina Present
Brazil Present
Chile Present
Colombia Present
Ecuador Present
Peru Present
Uruguay Present
Oceania Present
Australia Present
Fiji Present
New Caledonia Present
New Zealand Present
Tonga Present
Egypt Present
Kenya Present
Morocco Present
Madagascar Present
Togo Present
Tunisia Present
Tanzania Present
Uganda Present
South Africa Present
Zambia Present
Zimbabwe Present
Asia Present
Armenia Present
Azerbaijan Present
China Present
Indonesia Present
Israel Present
India Present
Iran Present
Japan Present
South Korea Present
Lebanon Present
Syria Present
Central America
Costa Rica Present
Cuba Present
Dominica Present
Dominican Republic Present
Grenada Present
Guadeloupe Present
Panama Present

Type of Pest

  • Bacterium

Host or Industry at Risk

  • show / hide

Solanum lycopersicum

Major Hosts

  • Lycopersicon Mill.
  • Solanum lycopersicum L.
  • Solanum nigrum L.
  • Solanum triflorum Nuttall

Threats to Protected Cultivation

  • Only protected crops

Forest Tree Pests and Pathogens

  • N/A

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

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Regulated non quarantine pest, EPPO A2

Actions Indicated

  • show / hide


Statutory action on sites of propagation and on seeds.

General Comments

Regulated non-quarantine seed-borne bacterial disease of tomatoes with occasional UK outbreaks. Pathogen appears to be well controlled by regulation and industry practice.

Further Information


  • show / hide

Key uncertainty for pest

UK distribution of this pathogen


Current distribution






UK distribution