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Potato brown rot

Potato brown rot is a serious bacterial disease of potatoes which is not established in the UK.

The Plant Health Directive includes requirements on the movement of material within the Community, and on imported material, to prevent the spread of this disease. Additional measures may also be introduced in response to particular risks.

Fera Plant Health and Seeds Inspectors carry out annual monitoring of potatoes and watercourses for the organism (Ralstonia solanacearum) which causes the disease. Restrictions are imposed in the event of positive findings, which for watercourses means that irrigation and spraying of potato and tomato crops is only possible using an approved method, such as winter abstraction and storage, or water treatment. The PHSI must be consulted by growers or companies interested in developing or using an approved technique.

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Survey Results Illustrated Information Leaflet
Watercourses designated as contaminated:  
Specifications for the treatment of contaminated river water