UK Risk Register Details for Thekopsora minima

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

EU prohibition of key pathway for conifers

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 Status Notes
Europe
Belgium See Notes under eradication
Germany See Notes under eradication
United Kingdom Absent
Netherlands Present (Limited)
Portugal See Notes under eradication
North America
Canada Present
Mexico Present
United States Present (Limited)
South America
Colombia Present
Oceania
Australia Present (Limited)
Africa
South Africa Present
Asia
China Present
Japan Present

Type of Pest

  • Fungus

Host or Industry at Risk

  • show / hide

Vaccinium

Major Hosts

  • Gaylussacia H.B.K.
  • Leucothoe D.Don
  • Lyonia Nutt.
  • Rhododendron L.
  • Tsuga canadensis (L.) Carr.
  • Tsuga diversifolia (Maxim.) Mast.
  • Vaccinium L.
  • Vaccinium corymbosum L.

Threats to Protected Cultivation

  • Both protected crops and outdoor production

Forest Tree Pests and Pathogens

  • Coniferous

Further Information

PRA Availability

EPPO (2017)

EU and EPPO Listing

EPPO Alert

Actions Indicated

  • show / hide

Action

Statutory action against findings

General Comments

Rust fungus affecting blueberry and hemlock. This fungus has been detected in Europe (Germany, Netherlands and Portugal). 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

  • show / hide

Key uncertainty for pest

Full host range including suitability of UK native plants.

Climate - Cause

Current distribution - Cause

Hosts - Cause

Impact - Cause

Pathways - Cause

Regulation - Cause

Taxonomy - Cause

UK distribution - Cause

Risk Records for this Pest