UK Risk Register Details for Phytophthora kernoviae

This record was last updated on 04/01/2022

Scenario and Pathways

Scenario for Risk Register

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  • Pest spreads to maximum extent

Pathway Assessed for Entry to UK

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Common Pathways

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  • Plants for planting (except seeds bulbs and tubers)
  • Soil/growing medium

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 4
Spread [1 - 5] 4
Impact [1 - 5] 5
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 20
UK Relative Risk Rating [1 - 125] 100

Current Mitigations

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Key mitigation for pest

Provisional quarantine pest (Great Britain) and suppression programme

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 4
Impact [1 - 5] 4
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 8
UK Relative Risk Rating [1 - 125] 40

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)
Ireland Present
South America
Chile Present (Unknown Distribution)
Oceania Present
New Zealand Present

Type of Pest

  • Oomycete

Host or Industry at Risk

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Rhododendron, Quercus, Vaccinium, Fagus

Major Hosts

  • Aesculus hippocastanum L.
  • Annona cherimola Mill.
  • Castanea sativa Mill.
  • Drimys winteri J.R. & G.Forst.
  • Gevuina avellana Molina
  • Hedera helix ssp. helix L.
  • Ilex aquifolium L.
  • Leucothoe fontanesiana (Steud.) Sleumer
  • Liriodendron tulipifera L.
  • Magnolia L.
  • Magnolia brooklynensis (M. x brooklynensis) G.Kalmbacher
  • Magnolia kobus Dc.
  • Magnolia liliiflora Desr.
  • Magnolia sargentiana Rehd. & Wils.
  • Magnolia sprengeri Pamp.
  • Magnolia wilsonii (Finet & Gagnep.) Rehd.
  • Magnolia x soulangiana Soulange-Bodin
  • Pieris formosa (Wall.) D.Don
  • Pieris japonica (Thunb.) D.Don Ex G.Don
  • Podocarpus salignus D.Don
  • Quercus ilex L.
  • Quercus robur L.
  • Rhododendron L.
  • Rhododendron macrophyllum D.Don Ex G.Don
  • Rhododendron occidentale (Torr. & A.Gray) A.Gray
  • Rhododendron ponticum L.
  • Sequoiadendron giganteum (Lindl.) J. Buchholz
  • Umbellularia californica (Hook. & Arn.) Nutt.
  • Vaccinium myrtillus L.
  • Fagus sylvatica L.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

UK (2008), EPPO (2009)

Regulation and EPPO listing

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Provisional quarantine pest (Great Britain). EPPO A2

Actions Indicated

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Action

Statutory action against findings.

General Comments

Pathogen of certain tree and shrub species, subject to a containment strategy in the UK.

Risk Records for this Pest