UK Risk Register Details for Thekopsora minima

This record was last updated on 18/03/2021

Common Names

  • leaf rust of blueberry

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] 4
Spread [1 - 5] 3
Impact [1 - 5] 3
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 12
UK Relative Risk Rating [1 - 125] 36

Current Mitigations

  • show / hide

Key mitigation for pest

Provisional quarantine pest (Great Britain)

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 4
Spread [1 - 5] 3
Impact [1 - 5] 3
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 12
UK Relative Risk Rating [1 - 125] 36

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
Spain Present (Limited)
Netherlands Present (Limited)
United Kingdom Absent
Portugal See Notes under eradication
Germany Present (Limited)
Belgium Absent Eradicated.
North America
Canada Present
Mexico Present
United States Present (Limited)
South America
Brazil Present
Colombia Present
Oceania
New Zealand Present
Australia Present (Limited)
Africa
South Africa Present
Asia
Japan Present
China Present

Type of Pest

  • Fungus

Host or Industry at Risk

  • show / hide

Vaccinium

Major Hosts

  • Gaylussacia baccata (Wangenh.) K.Koch
  • Gaylussacia frondosa (L.) Torr. & Gray
  • Leucothoe D.Don
  • Lyonia ovalifolia (Wall.) Drude
  • Menziesia pilosa (Michx.) Juss.
  • Rhododendron canadense (L.) Torr.
  • Rhododendron canescens (Michx.) Sweet
  • Rhododendron lutescens Franch.
  • Rhododendron ponticum L.
  • Rhododendron prunifolium (Small) Millais
  • Rhododendron viscosum (L.) Torr.
  • Tsuga canadensis (L.) Carr.
  • Tsuga diversifolia (Maxim.) Mast.
  • Tsuga sieboldii Carr.
  • Vaccinium L.
  • Vaccinium angustifolium Ait.
  • Vaccinium ashei Reade
  • Vaccinium corymbosum L.
  • Vaccinium erythrocarpum Michx.

Threats to Protected Cultivation

  • Both protected crops and outdoor production

Forest Tree Pests and Pathogens

  • Coniferous

Further Information

PRA Availability

EPPO (2017)

Regulation and EPPO listing

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Provisional quarantine pest (Great Britain). EPPO A2

Actions Indicated

  • show / hide

Action

Statutory action against findings

General Comments

Rust fungus affecting blueberry and hemlock. This fungus has been detected in parts of Europe. There is some uncertainty about the suitability of UK native host species. But the case for regulation should be considered based on the EPPO PRA.

Further Information

Uncertainty

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Key uncertainty for pest

Full host range including suitability of UK native plants.

Climate

Current distribution

Hosts

Impact

Pathways

Regulation

Taxonomy

UK distribution

Risk Records for this Pest