Our use of Cookies

This site uses only cookiesstrictly necessaryto ensure the site works correctly.

Please read about how we use cookies.

Hide this message

Strictly necessary and non-essential cookies

Accept all cookies

Accept necessary cookies only

Set Cookie Preferences

By clicking accept all cookies, you agree to our use of cookies and to our cookie policy.

We use third-party cookies on this site.

You have accepted necessary cookies only

You can change your cookie settings at any time

Hide this message

UK Risk Register Details for Ralstonia pseudosolanacearum

This record was last updated on 30/10/2023

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

Pathway Assessed for Entry to UK

  • show / hide
  • Cut flowers or branches

Common Pathways

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

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 2
Impact [1 - 5] 3
Value at Risk [1 - 5] 4
Likelihood x Impact [1 - 25] 9
UK Relative Risk Rating [1 - 125] 36

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated 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
Germany Present (Limited) Present, under eradication, only in some parts of the Member State concerned (one location).
Greece Present (Limited) Under official control
Netherlands Present Not widely distributed, under official control
Switzerland Present (Limited) Present, in specific parts of the country, where host crop(s) are grown, under eradication.
Hungary Present
Slovenia Present Under eradication.
United Kingdom Absent
North America
Canada Present Transient - under eradication
United States Present Transient - under eradication
Mexico Present (Limited) Not widely distributed.
South America
Brazil Present
Papua New Guinea Present
New Caledonia Present
Angola Present
Mauritius Present
Reunion Present
Zimbabwe Present
Kenya Present
Congo (Democratic Rep.) Present
Uganda Present
South Africa Present
Cambodia Present
Sri Lanka Present
Philippines Present
Thailand Present
China Present
Indonesia Present
Laos Present
South Korea Present
Central America
Costa Rica Present

Type of Pest

  • Bacterium

Host or Industry at Risk

  • show / hide


Major Hosts

  • Arachis hypogaea L.
  • Capsicum annuum L.
  • Cicer arietinum L.
  • Eucalyptus L'Herit.
  • Helianthus L.
  • Luffa aegyptiaca Mill.
  • Solanum lycopersicum L.
  • Morus L.
  • Nicotiana tabacum L.
  • Olea europaea Linnaeus
  • Pelargonium capitatum L'Hrit. Ex Ait./Soland./Willd.
  • Rosa L.
  • Sesamum indicum L.
  • Solanum L.
  • Solanum melongena L.
  • Solanum tuberosum L.
  • Symphytum L.
  • Zingiber Boehm.

Threats to Protected Cultivation

  • Both protected crops and outdoor production

Forest Tree Pests and Pathogens

  • N/A

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

  • show / hide

Regulated quarantine pest

Actions Indicated

  • show / hide


Statutory action against interceptions and outbreaks

General Comments

Bacterial pathogen of a wide range of hosts, including tomato, pepper and rose. There have been several reports of significant impacts and it is likely to establish in protected environments

Further Information


  • show / hide

Key uncertainty for pest

Damage to outdoor crops in temperate climates is unclear


Current distribution






UK distribution

Risk Records for this Pest