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UK Risk Register Details for Xanthomonas arboricola pv. pruni

This record was last updated on 03/04/2023

Common Names

  • Bacterial canker of stone fruits
  • Bacterial leaf spot of prunus
  • Bacterial leaf spot of stone fruits
  • Bacterial shot-hole of stone fruits
  • Black spot of plum
  • Shot hole

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] 5
Spread [1 - 5] 2
Impact [1 - 5] 3
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 15
UK Relative Risk Rating [1 - 125] 45

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated quarantine pest (Great Britain) Northern Ireland regulated protected zone quarantine pest.



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 4
Spread [1 - 5] 2
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



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
Serbia Present
United Kingdom Absent
Spain Present
Hungary Present
Belgium Present
Moldova Present
Norway Present
France Present
Germany Present
Italy Present
Netherlands Present
Romania Present
Slovenia Present
Russia Present
Ukraine Present
Switzerland Present
Montenegro Present
Greece Present (Limited) Not widely distributed.
North America
Canada Present
Mexico Present
United States Present
South America
Brazil Present
Argentina Present
Uruguay Present
Oceania Present
Australia Present
New Zealand Present
Africa Present
Zimbabwe Present
South Africa Present
Jordan Present
Russia Present
China Present
India Present
Japan Present
South Korea Present
North Korea Present
Lebanon Present
Pakistan Present
Saudi Arabia Present
Tajikistan Present
Taiwan Present
Central America
Bermuda Present

Type of Pest

  • Bacterium

Host or Industry at Risk

  • show / hide


Major Hosts

  • Prunus L.
  • Prunus armeniaca L.
  • Prunus avium ssp./var. avium L.
  • Prunus cerasus L.
  • Prunus domestica ssp. domestica L.
  • Prunus dulcis (Mill.) D.A.Webb
  • Prunus dulcis var. dulcis (Mill.) D.A.Webb
  • Prunus laurocerasus L.
  • Prunus persica Batsch
  • Prunus persica var. nucipersica Batsch
  • Prunus salicina Lindl.

Threats to Protected Cultivation

  • N/A

Forest Tree Pests and Pathogens

  • N/A

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

  • show / hide

Regulated quarantine pest (Great Britain). Regulated protected zone quarantine pest (Northern Ireland until April 30th 2023). EPPO A2

Actions Indicated

  • show / hide


Statutory action against findings.

General Comments

Bacterial pathogen of Prunus. Intercepted on imported plants at nurseries. Awareness raising can help to reduce the likelihood of introduction and impacts.