# Council Directive 93/85/EEC of 4 October 1993 on the control of potato ring rot, Division: Note:

Extent: E+W+S+N.I.

Diagnosis is only completed if C. m. subsp. sepedonicus is isolated, subsequently identified (see section 9). and confirmed by a pathogenicity test (section 10). Although C. m. subsp. sepedonicus is a fastidious organism, it can be isolated from symptomatic tissue.

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Source: https://www.legislation.gov.uk/eudr/1993/85/annex/I/division/8/annotation/1 (the official version)
Page: https://openlegislation.uk/eu-directive-1993-85/annex-I/division-8/annotation/1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.