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 Paratrichodorus minor

This record was last updated on 08/06/2022

Common Names

  • Nematode, Stubby root
  • Stubby root nematode

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

Pathway Assessed for Entry to UK

  • show / hide
  • Plants for planting (with soil)

Common Pathways

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

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 4
Spread [1 - 5] 1
Impact [1 - 5] 2
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 8
UK Relative Risk Rating [1 - 125] 40

Current Mitigations

  • show / hide

Key mitigation for pest

Action against findings under general powers



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 1
Impact [1 - 5] 2
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 30

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
Greece Present
Italy Present
Portugal Present
Russia Present
Spain Present
Sweden Present
Switzerland Present
North America
Canada Present
United States Present
South America
Argentina Present
Brazil Present
Chile Present
Ecuador Present
French Guiana Present
Venezuela Present
Australia Present
Fiji Present
New Zealand Present
Papua New Guinea Present
Burkina Faso Present
Cabo Verde Present
Cote d'Ivoire Present
Egypt Present
Kenya Present
Malawi Present
Mauritania Present
Mauritius Present
Morocco Present
Nigeria Present
Senegal Present
South Africa Present
Zambia Present
Zimbabwe Present
Afghanistan Present
China Present
Hong Kong Present
India Present
Indonesia Present
Iran Present
Israel Present
Japan Present
Pakistan Present
Philippines Present
Saudi Arabia Present
South Korea Present
Taiwan Present
Vietnam Present
Central America
Cuba Present
Martinique Present
Nicaragua Present
Puerto Rico Present
Trinidad and Tobago Present

Type of Pest

  • Nematode (Triplonchida)

Host or Industry at Risk

  • show / hide

Total field vegetables

Major Hosts

  • Abelmoschus esculentus (L.) Moench
  • Allium L.
  • Allium cepa L.
  • Apium graveolens L.
  • Arachis hypogaea L.
  • Beta vulgaris L.
  • Brassica juncea (L.) Czern.
  • Brassica nigra (L.) W.D.J. Koch
  • Brassica oleracea L.
  • Capsicum L.
  • Cichorium endivia Linnaeus
  • Cucumis melo L.
  • Daucus carota L.
  • Dioscorea polystachya Turchaninov
  • Diospyros L.
  • Glycine max (L.) Merr.
  • Gossypium L.
  • Hordeum vulgare L. em. Lam.
  • Juglans
  • Lactuca sativa L.
  • Solanum lycopersicum L.
  • Medicago sativa L.
  • Persea americana Mill.
  • Phaseolus lunatus L.
  • Prunus persica Batsch
  • Raphanus sativus Linnaeus
  • Ricinus communis L.
  • Saccharum L.
  • Sechium edule (Jacq.) Sw.
  • Sinapis alba L.
  • Solanum melongena L.
  • Solanum tuberosum L.
  • Sorghum vulgare Pers.
  • Trifolium pratense L.
  • Triticum L.
  • Vaccinium L.
  • Vigna unguiculata (Linnaeus) Walpers
  • Zea mays L.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • N/A

Further Information

PRA Availability

UK (2008)

Regulation and EPPO listing

  • show / hide

Not currently listed

Actions Indicated

  • show / hide


No statutory action

General Comments

Polyphagous nematode pest, present in Europe and beyond. It has been intercepted in UK. The UK PRA concluded overall this pest is considered of low risk to the UK..

Risk Records for this Pest