Department for Environment, Food & Rural Affairs

Department
for Environment
Food & Rural Affairs

UK Risk Register Details for 'Candidatus Phytoplasma solani'

This record was last updated on 08/12/2022

Common Names

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Black wood of grapevine
Female sterility of tobacco
Fruit woodiness of tomato
Maize Redness
Mal azul of tomato
Metabolbur
Metastolbur
Parastolbur
Purple top of potato
Stolbur of potato
Stolbur of tobacco
Stolbur of tomato

PRA Document

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PRA: (2014)

Scenario and Pathways

Scenario for Risk Register

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Pest is introduced

Pathway Assessed for Entry to UK

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Plants for planting (except seeds bulbs and tubers)

Common Pathways

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Plants for planting (except seeds bulbs and tubers)
Natural spread

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]			3
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]			3
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]			3
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]		2
Impact The highest value from economic, environmental or social impacts. See Guidance Document for more Information Impact [1 - 5]				4
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]				4
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]	1
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]	1
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]					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]	12
UK Relative Risk Rating Likelihood x Impact x Value at Risk. See Guidance Document for more Information UK Relative Risk Rating [1 - 125]	60

Current Mitigations

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Key mitigation for pest

Regulated quarantine pest (Great Britain); regulated non 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]			3
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]			3
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]			3
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]		2
Impact The highest value from economic, environmental or social impacts. See Guidance Document for more Information Impact [1 - 5]				4
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]				4
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]	1
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]	1
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]					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]	12
UK Relative Risk Rating Likelihood x Impact x Value at Risk. See Guidance Document for more Information UK Relative Risk Rating [1 - 125]	60

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
Europe
	Austria	Present
	Bulgaria	Present
	Croatia	Present
	Czech Republic	Present
	France	Present
	United Kingdom	Absent
	Germany	Present
	Greece	Present
	Hungary	Present
	Italy	Present
	Poland	Present
	Slovakia	Present
	Slovenia	Present
	Spain	Present
	Belgium	Present
	Albania	Present
	Bosnia-Herzegovina	Present
	Republic of North Macedonia	Present
	Moldova	Present
	Russia	Present
	Serbia	Present
	Switzerland	Present
	Türkiye	Present
	Ukraine	Present
	Montenegro	Present
South America		Present
	Chile	Present
Africa		Present
	Niger	Present
Asia
	Jordan	Present
	Japan	Present
	India	Present
	Armenia	Present
	Azerbaijan	Present
	China	Present
	Iran	Present
	Israel	Present
	Kyrgyzstan	Present
	Lebanon	Present
	Saudi Arabia	Present
	Tajikistan	Present
	Uzbekistan	Present

Type of Pest

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Phytoplasma

Host or Industry at Risk

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Solanum tuberosum, Solanum lycopersicum

Major Hosts

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Anethum graveolens L.
Apium graveolens L.
Capsicum annuum L.
Cichorium intybus L.
Convolvulus arvensis Linnaeus
Fragaria L.
Fragaria ananassa (F. x ananassa) Duch.
Lavandula L.
Lavandula angustifolia Mill.
Solanum lycopersicum L.
Monarda fistulosa L.
Paeonia suffruticosa Andr.
Paeonia tenuifolia L.
Pastinaca sativa L.
Phaseolus vulgaris L.
Pistacia vera L.
Prunus avium ssp./var. avium L.
Prunus cerasus L.
Prunus domestica ssp. domestica L.
Rubus nessensis W.Hall
Salvia L.
Solanum L.
Solanum malacoxylon Sendtn. In Mart.
Solanum melongena L.
Solanum nigrum L.
Solanum tuberosum L.
Trifolium L.
Tussilago farfara L.
Vaccinium L.
Valeriana officinalis L.
Vitis L.
Vitis vinifera L.
Zea mays L.
Solanaceae (family)
Asteraceae (family)

Threats to Protected Cultivation

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Both protected crops and outdoor production

Forest Tree Pests and Pathogens

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Further Information

PRA

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PRA Availability

UK (2014)

Regulation and EPPO listing

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Regulated quarantine pest (Great Britain); regulated non quarantine pest (Northern Ireland). EPPO A2

Actions Indicated

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Action

Statutory action against findings in Great Britain. Statutory action on specified hosts in Northern Ireland.

General Comments

Phytoplasma which potentially affects a wide host range, determined by the feeding behaviour of vectors. First UK outbreak in 2014, on strawberry.

Risk Records for this Pest

'Candidatus Phytoplasma solani' [SELECTED]

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Department for Environment, Food & Rural Affairs

Departmentfor EnvironmentFood & Rural Affairs

UK Risk Register Details for 'Candidatus Phytoplasma solani'

Common Names

PRA Document

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