UK Risk Register Details for Rhizoctonia fragariae

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

This record was last updated on 14/09/2021

Common Names

  • Black root rot of strawberry

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

Pathway Assessed for Entry to UK

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

Common Pathways

  • show / hide
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] 3
Spread [1 - 5] 2
Impact [1 - 5] 3
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 9
UK Relative Risk Rating [1 - 125] 45

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated non quarantine pest; prohibitions on key pathway

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] 5
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 30

Proposed Actions

Proposed Actions

Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Distribution and Pest Details

Distribution

Country / Territory Status Notes
Europe
United Kingdom Unknown Cannot be determined
Italy Present
Montenegro Unknown
Serbia Unknown
Spain Present
Turkey Present
North America
Mexico Present
United States Present
Oceania
Australia Present
Africa
Egypt Unknown
South Africa Present
Asia
Iraq Present
Central America
Cuba Present

Type of Pest

  • Fungus

Host or Industry at Risk

  • show / hide

Fragaria

Major Hosts

  • Fragaria L.
  • Fragaria ananassa (F. x ananassa) Duch.
  • Musa L.
  • Rosmarinus officinalis L.

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 non quarantine pest

Actions Indicated

  • show / hide

Action

Statutory action

General Comments

Fungal pest mainly affecting strawberry roots. It has a rather scattered known distribution which includes parts of mainland Europe and elsewhere. There may be value in adding this pest to certification schemes.

Further Information

Uncertainty

  • show / hide

Key uncertainty for pest

Impacts from this pathogen specifically, rather than as part of the “black root rot” complex of disease causing pathogens

Climate

Current distribution

Hosts

Impact

Pathways

Regulation

Taxonomy

UK distribution

Risk Records for this Pest