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UK Risk Register Details for Ceratocystis platani

This record was last updated on 23/02/2021

Common Names

  • Canker of sycamore
  • Canker stain of plane
  • plane wilt

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)
  • Agricultural machinery

Common Pathways

  • show / hide
  • Plants for planting (except seeds bulbs and tubers)
  • Wood packaging material
  • Soil/growing medium
  • Agricultural machinery
  • Hitchhiking
  • water

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 4
Spread [1 - 5] 4
Impact [1 - 5] 5
Value at Risk [1 - 5] 4
Likelihood x Impact [1 - 25] 20
UK Relative Risk Rating [1 - 125] 80

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated quarantine pest



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 4
Impact [1 - 5] 5
Value at Risk [1 - 5] 4
Likelihood x Impact [1 - 25] 10
UK Relative Risk Rating [1 - 125] 40

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
France Present
Greece Present
Italy Present
Albania Present
Türkiye Present
Switzerland Present
United Kingdom Absent
North America Present
United States Present
Armenia Present

Type of Pest

  • Fungus

Host or Industry at Risk

  • show / hide


Major Hosts

  • Platanus L.
  • Platanus occidentalis L.
  • Platanus orientalis L.
  • Platanus x acerifolia (Aiton) Willdenow

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

UK (2013)

Regulation and EPPO listing

  • show / hide

Regulated quarantine pest. EPPO A2

Actions Indicated

  • show / hide


Statutory action on interceptions and outbreaks. Surveys to be conducted in line with requirements. Good hygiene practice by industry regarding machinery, equipment and tools will complement official activities.

General Comments

Highly destructive quarantine listed disease of plane trees, which appears to be of increasing risk due to spread into northern parts of France. Will work with local authorities on surveillance of urban trees and with industry as regards continuing to encourage good hygiene practice.

Further Information


  • show / hide

Key uncertainty for pest

The suitability of the UK climate for high levels of damage.


Current distribution






UK distribution

Risk Records for this Pest