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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
  • Plants for planting (except seeds bulbs and tubers)
  • Seeds

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

  • show / hide

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