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UK Risk Register Details for Verticillium dahliae

This record was last updated on 01/10/2020

Common Names

  • Verticillium wilt
  • Verticillium wilt of cotton

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)

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 4
Spread [1 - 5] 2
Impact [1 - 5] 3
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 12
UK Relative Risk Rating [1 - 125] 60

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] 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
United Kingdom Present (Widespread)
Austria Present
Belgium Present
Bulgaria Present
Cyprus Present
Czech Republic Present
Denmark Present
France Present
Germany Present
Greece Present
Hungary Present
Italy Present
Malta Present
Netherlands Present
Portugal Present
Slovakia Present
Spain Present
North America
Canada Present
United States Present
South America
Argentina Present
Brazil Present
Chile Present
Peru Present
Australia Present
New Zealand Present
Congo (Democratic Rep.) Present
Egypt Present
Kenya Present
Madagascar Present
Malawi Present
Mozambique Present
Rwanda Present
South Africa Present
Tanzania Present
Tunisia Present
Uganda Present
Zambia Present
Zimbabwe Present
China Present
India Present
Iran Present
Iraq Present
Israel Present
Japan Present
Jordan Present
Kazakhstan Present
Kyrgyzstan Present
Lebanon Present
Pakistan Present
Russia Present
South Korea Present
Syria Present
Tajikistan Present
Turkmenistan Present
Uzbekistan Present
Central America
Cuba Present
Trinidad and Tobago Present

Type of Pest

  • Fungus

Host or Industry at Risk

  • show / hide

Fragaria, Humulus lupulus, orchard fruit and nut trees

Major Hosts

  • Acer L.
  • Albizia julibrissin Durazz.
  • Brassica L.
  • Capsicum annuum L.
  • Carya illinoinensis K.Koch
  • Corylus avellana Linnaeus
  • Cydonia oblonga Mill.
  • Cynara cardunculus L.
  • Fragaria L.
  • Gossypium L.
  • Humulus L.
  • Humulus lupulus L.
  • Malus Mill.
  • Mentha L.
  • Olea europaea Linnaeus
  • Pistacia vera L.
  • Prunus L.
  • Prunus armeniaca L.
  • Prunus domestica ssp. domestica L.
  • Prunus dulcis (Mill.) D.A.Webb
  • Prunus persica Batsch
  • Prunus salicina Lindl.
  • Pyrus L.
  • Solanum L.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved

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 in line with legislation

General Comments

Fungal disease affecting many plant species, especially fruit crops and hops. This pathogen was regulated in the 1980s and 1990s on hops, but is now regulated on a wider range of hosts.

Risk Records for this Pest