UK Risk Register Details for 'Candidatus Phytoplasma ulmi'

This record was last updated on 08/01/2021

Common Names

  • Phloem necrosis of elm
  • Yellows of elm

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

Regulated quarantine pest (Great Britain, Northern Ireland may differ)

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
Italy Present
Belgium Present
Serbia Present
Slovenia Present
Croatia Present
United Kingdom Absent
France Present
Germany Present
North America Present
Canada Present (Limited)
United States Present

Type of Pest

  • Phytoplasma

Host or Industry at Risk

  • show / hide

Ulmus

Major Hosts

  • Ulmus L.
  • Ulmus alata Michx.
  • Ulmus americana L.
  • Ulmus crassifolia Nutt.
  • Ulmus rubra Muehlenb.
  • Ulmus serotina Sarg.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

Uk (2014)

Regulation and EPPO listing

  • show / hide

Regulated quarantine pest (Great Britain, Northern Ireland may differ), EPPO A1

Actions Indicated

  • show / hide

Action

Statutory action will be taken against findings. Awareness raising with industry. Research into dectection, spread and control.

General Comments

Regulated phytoplasma pest of elm, present in some European countries, as well as North America.

Risk Records for this Pest