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Pests and diseases

Find out more about the plant pests and diseases which threaten our crops, trees, gardens and countryside.

Reporting a pest/disease

Details of plant health controls and where to find more information about reporting a pest/disease.

Reporting a pest/disease

Contingency planning

Protecting the nation against natural threats (including plant health) and hazards is one of Defra’s top priorities. Under the Plant Biosecurity Strategy for Great Britain strengthening protection against plant pests and diseases inland includes a commitment to develop effective contingency plans and clear governance to help eradicate or minimise the impact when outbreaks occur.

Contingency planning

Pest and disease alerts

Written by plant pest and disease experts, our pest and disease alerts offer detailed information on a range of quarantine (notifiable) and non-quarantine (non-notifiable) pests and diseases.

Pest and disease alerts

High profile pests and diseases

Under plant health legislation, a number of plant pests and diseases are classified as quarantine organisms and are therefore subject to statutory control.

High profile pests and diseases

Pest and disease factsheets

Written by plant pest and disease experts, our pest and disease factsheets offer detailed information on a range of quarantine (notifiable) and non-quarantine (non-notifiable) pests and diseases.

Pest and disease factsheets

Pest risk analyses

Pest risk analysis (PRA) is the process of evaluating biological or other scientific and economic evidence to determine whether an organism is a pest or pathogen, if it should be regulated and to identify control measures to be taken against it.

Pest risk analyses

Legislation

Legislation