# Council Directive 93/85/EEC of 4 October 1993 on the control of potato ring rot, Division 6.1.(b): Other methods

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

Other DNA extraction methods (e.g. Qiagen DNeasy Plant Kit) could be applied providing that they are proven to be equally as effective in purifying DNA from control samples containing 10 3 to 10 4 pathogen cells per ml.

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Source: https://www.legislation.gov.uk/eudr/1993/85/annex/I/division/6/division/6.1/division/3 (the official version)
Page: https://openlegislation.uk/eu-directive-1993-85/annex-I/division-6/division-6.1/division-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.