# Council Directive 93/85/EEC of 4 October 1993 on the control of potato ring rot, Division 1.1: Detection scheme for the diagnosis of Ring Rot in potato tubers and potato plants with symptoms of ring rot

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

The testing procedure is intended for potato tubers and plants with symptoms typical or suspect of ring rot. It involves a rapid screening test, isolation of the pathogen from infected vascular tissue on diagnostic media and, in case of a positive result, identification of the culture as C. m. subsp. sepedonicus .

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Source: https://www.legislation.gov.uk/eudr/1993/85/annex/I/division/1/division/1.1 (the official version)
Page: https://openlegislation.uk/eu-directive-1993-85/annex-I/division-1/division-1.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.