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UK Risk Register Details for Cucurbit yellow stunting disorder virus

This record was last updated on 03/10/2023

Common Names

  • Cucurbit yellow stunting disorder

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] 4
Spread [1 - 5] 3
Impact [1 - 5] 3
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 12
UK Relative Risk Rating [1 - 125] 36

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated quarantine pest (Great Britain).



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 3
Impact [1 - 5] 3
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 9
UK Relative Risk Rating [1 - 125] 27

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
United Kingdom Absent
Türkiye Present
Spain Present
Cyprus Present
Greece Present
Portugal Present
Italy Present (Limited) Present, only in some parts of the Member State concerned (Sardinia).
North America
Mexico Present
United States Present
Egypt Present
Morocco Present
Sudan Present
Tunisia Present
Iran Present
Israel Present
Jordan Present
Lebanon Present
Saudi Arabia Present
Syria Present
United Arab Emirates Present
India Present

Type of Pest

  • Virus or Viroid

Host or Industry at Risk

  • show / hide

Cucumis sativus

Major Hosts

  • Amaranthus retroflexus L.
  • Bassia hyssopifolia (Pall.) Kuntze
  • Chenopodium album L.
  • Citrullus lanatus (Thunb.) Matsum. & Nakai
  • Cucumis melo L.
  • Cucumis sativus L.
  • Cucurbita pepo L.
  • Cucurbitaceae
  • Lactuca sativa L.
  • Malva neglecta Wallr.
  • Malva parviflora L./Boiss.
  • Medicago sativa L.
  • Phaseolus vulgaris L.
  • Physalis wrightii Gray
  • Sida hederacea (Dougl.) Torr.
  • Sisymbrium irio L.
  • Solanum elaeagnifolium Cavara
  • Sonchus L.

Threats to Protected Cultivation

  • Only protected crops

Forest Tree Pests and Pathogens

Further Information

PRA Availability

UK (2001), EPPO (2001)

Regulation and EPPO listing

  • show / hide

Regulated quarantine pest (Great Britain). EPPO A2

Actions Indicated

  • show / hide


Statutory action against findings

General Comments

The risk of this polyphagous virus is considered alongside that of the vector Bemisia tabaci (which is also regulated).