Department for Environment, Food & Rural Affairs

Department
for Environment
Food & Rural Affairs

UK Risk Register Details for Xanthomonas axonopodis pv. citri

This record was last updated on 10/11/2022

Common Names

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Asiatic canker (A strains)
Bacterial canker of citrus
Cancrosis A (A strains)
Cancrosis B (B strains)
Canker of citrus
Citrus bacteriosis (D strains)
Citrus canker
False canker (B strains)
Mexican lime cancrosis (C strains)
South American canker (B strains)

Scenario and Pathways

Scenario for Risk Register

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Pest is introduced

Pathway Assessed for Entry to UK

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Common Pathways

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Plants for planting (except seeds bulbs and tubers)
Fruits or vegetables

Risk Ratings and Current Mitigations

Unmitigated Risks

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Likelihood For "Pest is Introduced" the lowest value of Entry or Establishment, as both are required for a successful introduction. For "Pest Spreads to Maximum Extent" this is an expert judgement on the likelihood of this occurrence. See Guidance Document for more Information Likelihood [1 - 5]
Entry The Likelihood of movement of the pest into the UK on a pathway and transfer of that pest to a suitable host. See Guidance Document for more Information Entry [1 - 5]
Establishment The likelihood of the pest surviving and perpetuating in the UK for the foreseeable future after it has entered. See Guidance Document for more Information Establishment [1 - 5]
Spread The rate at which a pest can expand, by natural dispersal only, within an area. See Guidance Document for more Information Spread [1 - 5]
Impact The highest value from economic, environmental or social impacts. See Guidance Document for more Information Impact [1 - 5]
Impact - Economic The predicted economic impacts of the pest in the UK. This includes direct effects on yield, quality and possible indirect effects such as trade implications. See Guidance Document for more Information Impact - Economic [1 - 5]
Impact - Environmental The proportion of the environmental value of the plant which is likely to be lost through the introduction of the pest. See Guidance Document for more Information Impact - Environmental [1 - 5]
Impact - Social The predicted social impacts of a pest in the UK, including effects on tourism, amenities and animal and human health. See Guidance Document for more Information Impact - Social [1 - 5]
Value at Risk The value of the hosts or industries at risk from this pest in the UK. See Guidance Document for more Information Value at Risk [1 - 5]
Likelihood x Impact The likelihood multiplied by the impact, which shows the risk to the sector. See Guidance Document for more Information Likelihood x Impact [1 - 25]
UK Relative Risk Rating Likelihood x Impact x Value at Risk. See Guidance Document for more Information UK Relative Risk Rating [1 - 125]	1

Current Mitigations

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Key mitigation for pest

Regulated quarantine pest (Northern Ireland).

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

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Likelihood For "Pest is Introduced" the lowest value of Entry or Establishment, as both are required for a successful introduction. For "Pest Spreads to Maximum Extent" this is an expert judgement on the likelihood of this occurrence. See Guidance Document for more Information Likelihood [1 - 5]
Entry The Likelihood of movement of the pest into the UK on a pathway and transfer of that pest to a suitable host. See Guidance Document for more Information Entry [1 - 5]
Establishment The likelihood of the pest surviving and perpetuating in the UK for the foreseeable future after it has entered. See Guidance Document for more Information Establishment [1 - 5]
Spread The rate at which a pest can expand, by natural dispersal only, within an area. See Guidance Document for more Information Spread [1 - 5]
Impact The highest value from economic, environmental or social impacts. See Guidance Document for more Information Impact [1 - 5]
Impact - Economic The predicted economic impacts of the pest in the UK. This includes direct effects on yield, quality and possible indirect effects such as trade implications. See Guidance Document for more Information Impact - Economic [1 - 5]
Impact - Environmental The proportion of the environmental value of the plant which is likely to be lost through the introduction of the pest. See Guidance Document for more Information Impact - Environmental [1 - 5]
Impact - Social The predicted social impacts of a pest in the UK, including effects on tourism, amenities and animal and human health. See Guidance Document for more Information Impact - Social [1 - 5]
Value at Risk The value of the hosts or industries at risk from this pest in the UK. See Guidance Document for more Information Value at Risk [1 - 5]
Likelihood x Impact The likelihood multiplied by the impact, which shows the risk to the sector. See Guidance Document for more Information Likelihood x Impact [1 - 25]
UK Relative Risk Rating Likelihood x Impact x Value at Risk. See Guidance Document for more Information UK Relative Risk Rating [1 - 125]	1

Proposed Actions

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Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Distribution and Pest Details

Distribution

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Country / Territory		Status	Notes
Europe
	United Kingdom	Absent
North America		Present
	Mexico	Present
	United States	Present
South America		Present
	Argentina	Present
	Bolivia	Present
	Brazil	Present
	Uruguay	Present
	Paraguay	Present
Oceania		Present
	Fiji	Present
	Marshall Islands	Present
	Micronesia	Present
	Palau	Present
	Papua New Guinea	Present
	Solomon Islands	Present
Africa		Present
	Burkina Faso	Present
	Comoros	Present
	Congo (Democratic Rep.)	Present
	Cote d'Ivoire	Present
	Ethiopia	Present
	Gabon	Present
	Madagascar	Present
	Mali	Present
	Mauritius	Present
	Mayotte	Present
	Reunion	Present
	Senegal	Present
	Seychelles	Present
	Somalia	Present
	Sudan	Present
	Tanzania	Present
Asia		Present
	Afghanistan	Present
	Bangladesh	Present
	Cambodia	Present
	China	Present
	India	Present
	Indonesia	Present
	Iran	Present
	Japan	Present
	North Korea	Present
	South Korea	Present
	Laos	Present
	Malaysia	Present
	Maldives	Present
	Myanmar	Present
	Nepal	Present
	Oman	Present
	Pakistan	Present
	Philippines	Present
	Saudi Arabia	Present
	Sri Lanka	Present
	Singapore	Present
	Taiwan	Present
	Thailand	Present
	United Arab Emirates	Present
	Vietnam	Present
	Yemen	Present
	Iraq	Present
	Timor-Leste	Present
Central America
	Martinique	Present	Under eradication
	British Virgin Islands	Present

Type of Pest

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Bacterium

Host or Industry at Risk

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Major Hosts

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Citrofortunella microcarpa (Bunge) Wijnands
Citrus aurantifolia (Christmann & Panzer) Swingle
Citrus aurantium subsp. aurantium Linnaeus
Citrus junos Sieber & Zuccarini Ex Tanaka
Citrus latifolia Tanaka
Citrus limon (Linnaeus) N.L.Burman
Citrus macrophylla Wester
Citrus maxima (Burman) Merrill
Citrus medica Linnaeus
Citrus paradisi Macfadyen
Citrus reticulata Blanco (S. S.)
Citrus sinensis (Linnaeus) Osbeck
Citrus unshiu Marcovitch
Fortunella Swing.
Fortunella japonica (Thunberg) Swingle
Poncirus Rafin.
Poncirus trifoliata (Linnaeus) Rafinesque
Citrus
Citroncirus

Threats to Protected Cultivation

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Forest Tree Pests and Pathogens

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Further Information

PRA

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PRA Availability

France (2008)

Regulation and EPPO listing

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Regulated quarantine pest (Northern Ireland) (as Xanthomonas citri pv. citri, Xanthomonas citri pv. aurantifolii). EPPO A1

Actions Indicated

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Action

No statutory action in Great Britain. Statutory action in line with regulations for Northern Ireland.

General Comments

Bacterial pest. Hosts not widely grown in the UK, considered to be of little or no phytosanitary risk.

Risk Records for this Pest

Xanthomonas axonopodis pv. citri [SELECTED]

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Department for Environment, Food & Rural Affairs

Departmentfor EnvironmentFood & Rural Affairs

UK Risk Register Details for Xanthomonas axonopodis pv. citri

Common Names

Scenario and Pathways

Scenario for Risk Register

Pathway Assessed for Entry to UK

Common Pathways

Risk Ratings and Current Mitigations

Unmitigated Risks

Current Mitigations

Key mitigation for pest

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Proposed Actions

Proposed Actions

Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Distribution and Pest Details

Distribution

Type of Pest

Host or Industry at Risk

Major Hosts

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

Further Information

PRA

PRA Availability

Regulation and EPPO listing

Actions Indicated

Action

General Comments

Risk Records for this Pest

Department
for Environment
Food & Rural Affairs