UK Risk Register Details for 'Candidatus Phytoplasma pyri' on perry pears

This record was last updated on 27/03/2020

Common Names

  • Decline of pear
  • Leaf curl of pear
  • Moria disease of pear
  • Parry's disease of pear
  • PD
  • Pear leaf curl

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] 2
Spread [1 - 5] 2
Impact [1 - 5] 5
Value at Risk [1 - 5] 2
Likelihood x Impact [1 - 25] 10
UK Relative Risk Rating [1 - 125] 20

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated non quarantine pest

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 2
Impact [1 - 5] 5
Value at Risk [1 - 5] 2
Likelihood x Impact [1 - 25] 10
UK Relative Risk Rating [1 - 125] 20

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 Present (Limited)
Austria Present
Belgium Present
Bulgaria Present
Croatia Present
Czech Republic Present
France Present
Germany Present
Greece Present
Hungary Present
Poland Present
Portugal Present
Slovakia Present
Slovenia Present
Spain Present
Albania Present
Bosnia-Herzegovina Present
Moldova Present
Serbia Present
Turkey Present
Switzerland Present
Italy Present
Netherlands Present
Norway Present
North America
Canada See Notes Present in Ontario
United States See Notes Present in California, Connecticut, Oregon, Utah and Washington
South America
Chile Present
Argentina Present
Africa
Libya Present
Tunisia Present
Asia
Iran Present
Lebanon Present
Azerbaijan Present

Type of Pest

  • Phytoplasma

Host or Industry at Risk

  • show / hide

Pyrus communis

Major Hosts

  • Cydonia oblonga Mill.
  • Prunus persica Batsch
  • Pyrus L.
  • Pyrus betulifolia Bunge
  • Pyrus calleryana Decne.
  • Pyrus communis L.
  • Pyrus pyraster Burgsd.
  • Pyrus pyrifolia var. culta (Burm.F.) Nakai
  • Pyrus ussuriensis Maxim.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

  • show / hide

Regulated non quarantine pest, EPPO A2

Actions Indicated

  • show / hide

Action

Statutory action in line with legislation

General Comments

Phytoplasma pest of pears, already present in the UK with its vector. Industry may want to review their management practices.