UK Risk Register Details for Phytophthora siskiyouensis

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

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest spreads to maximum extent

Pathway Assessed for Entry to UK

  • show / hide

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] 3
Impact [1 - 5] 4
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

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 3
Impact [1 - 5] 4
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
United Kingdom Present (Unknown Distribution)
North America
United States Present (Limited)
Oceania
Australia Present

Type of Pest

  • Oomycete

Host or Industry at Risk

  • show / hide

Alnus

Major Hosts

  • Alnus Mill.
  • Lithocarpus densiflorus (Hook. & Arn.) Rehd.
  • Umbellularia californica (Hook. & Arn.) Nutt.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

PRA not available

EU and EPPO Listing

Not currently listed

Actions Indicated

  • show / hide

Action

Containment of current outbreak. Statutory action against interceptions.

General Comments

Pathogen causing disease of Alder and other tree species in the USA and Australia, now detected in the UK. Could possibly be mistaken for P. alni. A PRA will help to better assess the risk to the UK.

Further Information

Uncertainty

  • show / hide

Key uncertainty for pest

The current distribution in the UK

Climate - Cause

Current distribution - Cause

Hosts - Cause

Impact - Cause

Pathways - Cause

Regulation - Cause

Taxonomy - Cause

UK distribution - Cause

Risk Records for this Pest