UK Risk Register Details for Magnaporthe oryzae Triticum pathotype

Common Names

  • Blast of rice
  • Johnson spot
  • Johnson spot: banana
  • Oval leaf spot
  • Oval leaf spot of Gramineae
  • Pitting disease
  • Pitting disease: banana
  • Rice blast disease
  • Rice rotten neck
  • Rice seedling blight
  • Rotten neck of rice
  • Seedling blight of rice

Scenario and Pathways

Scenario for Risk Register

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  • Pest is introduced

Pathway Assessed for Entry to UK

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  • Seeds

Common Pathways

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This section is currently being developed as part of the next phase of the Risk Register.

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 3
Impact [1 - 5] 3
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 30

Current Mitigations

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Key mitigation for pest

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 3
Impact [1 - 5] 3
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 30

Proposed Actions

Proposed Actions

Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Distribution and Pest Details

Distribution

Country Status Notes
Europe
United Kingdom Absent
South America
Argentina Present
Bolivia Present
Brazil Present
Paraguay Present
Asia
Bangladesh Present
India Present

Type of Pest

  • Fungus

Host or Industry at Risk

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Triticum

Major Hosts

  • Triticum L.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

Further Information

PRA Availability

UK (2003)

EU and EPPO Listing

Not currently listed

Actions Indicated

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Action

No statutory action against findings

General Comments

Fungal pathotype causing ‘wheat blast’ in South America and Asia, unlikely to pose a significant plant health threat to the UK, as climatic conditions unlikely to be suitable. Monitoring for new races of cereal yellow rust in the UK is carried out by the UK Cereal Pathogen Virulence Survey that provides and early warning facility to industry and growers of disease emerging on crops. It also enables breeders and variety testing authorities to screen out potential new varieties and breeding lines that might be susceptible to new races of disease found to be emerging in the UK.

Further Information

Uncertainty

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Key uncertainty for pest

The suitability of the UK climate for outbreaks.

Climate - Cause

Current distribution - Cause

Hosts - Cause

Impact - Cause

Pathways - Cause

Regulation - Cause

Taxonomy - Cause

UK distribution - Cause