UK Risk Register Details for Verticillium nonalfalfae

Please note: there are high levels of uncertainty associated with the risk scores for this pest.

This record was last updated on 01/10/2020

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest spreads to maximum extent

Pathway Assessed for Entry to UK

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  • Plants for planting (except seeds bulbs and tubers)

Common Pathways

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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] 4
Spread [1 - 5] 2
Impact [1 - 5] 3
Value at Risk [1 - 5] 2
Likelihood x Impact [1 - 25] 12
UK Relative Risk Rating [1 - 125] 24

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated non quarantine pest

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 2
Impact [1 - 5] 3
Value at Risk [1 - 5] 2
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 12

Proposed Actions

Proposed Actions

Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Distribution and Pest Details

Distribution

Country Status Notes
Europe
United Kingdom Present (Unknown Distribution) Hop strains are present (limited)
Belgium Present
Germany Present
Luxembourg Present
Poland Present
Russia Present
Slovakia Present
Slovenia Present
North America
United States Present
Canada Present
Oceania
New Zealand Present
Asia
Russia Present
China Present

Type of Pest

  • Fungus

Host or Industry at Risk

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Humulus lupulus

Major Hosts

  • Acer pensylvanicum L.
  • Actinidia Lindl.
  • Ailanthus altissima (Mill.) Swingle
  • Aralia spinosa L.
  • Ceanothus integerrimus Hook. & Arn.
  • Humulus lupulus L.
  • Solanum tuberosum L.
  • Spinacia oleracea L.
  • Solanaceae (family)

Threats to Protected Cultivation

  • Both protected crops and outdoor production

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

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Regulated non quarantine pest

Actions Indicated

  • show / hide

Action

Statutory action in line with legislation

General Comments

Fungal pathogen affecting hops and other plants. This species used to be regarded as a strain of Verticillium albo-atrum, which was regulated in the 1980s and 1990s on hops.

Further Information

Uncertainty

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Key uncertainty for pest

Rapid addition via a workshop. Some areas of assessment may require more research

Climate

Current distribution

Hosts

Impact

Pathways

Regulation

Taxonomy

UK distribution

Risk Records for this Pest