Our use of Cookies

This site uses only cookiesstrictly necessaryto ensure the site works correctly.

Please read about how we use cookies.

Hide this message

Strictly necessary and non-essential cookies

Accept all cookies

Accept necessary cookies only

Set Cookie Preferences

By clicking accept all cookies, you agree to our use of cookies and to our cookie policy.

We use third-party cookies on this site.

You have accepted necessary cookies only

You can change your cookie settings at any time

Hide this message

UK Risk Register Details for Pseudomonas avellanae

This record was last updated on 07/12/2022

Common Names

  • Stem dieback of hazel nut

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
  • Plants for planting (except seeds bulbs and tubers)

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 4
Spread [1 - 5] 3
Impact [1 - 5] 4
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 16
UK Relative Risk Rating [1 - 125] 48

Current Mitigations

  • show / hide

Key mitigation for pest

Provisional quarantine pest (Great Britain); regulated non quarantine pest (Northern Ireland)

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 / Territory Status Notes
Europe
United Kingdom Absent
Greece Present
Italy Present

Type of Pest

  • Bacterium

Host or Industry at Risk

  • show / hide

Corylus

Major Hosts

  • Corylus avellana Linnaeus

Threats to Protected Cultivation

  • N/A

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

  • show / hide

Provisional quarantine pest (Great Britain); Regulated non quarantine pest (Northern Ireland)

Actions Indicated

  • show / hide

Action

Statutory action on findings in Great Britain, statutory action in line with legislation in Northern Ireland.

General Comments

Bacterium affecting hazel trees causing cankers and wilting of its host and causing significant commercial losses where it is present. The disease is only reported from Italy and Greece and is absent from the UK. Following assessment this pest does not meet criteria for an RNQP in GB due to its absence, but is recommended for regulation as a quarantine pest.

Further Information

Uncertainty

  • show / hide

Key uncertainty for pest

Volumes of trade of host and optimum temperature for disease progression.

Climate

Current distribution

Hosts

Impact

Pathways

Regulation

Taxonomy

UK distribution

Risk Records for this Pest