# Council Directive 93/85/EEC of 4 October 1993 on the control of potato ring rot, Division 4.3.2

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

Incubate the slides on moist paper under a cover for 30 minutes at ambient temperature (18 to 25 °C).

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Source: https://www.legislation.gov.uk/eudr/1993/85/annex/I/division/4/division/4.3/division/4.3.2 (the official version)
Page: https://openlegislation.uk/eu-directive-1993-85/annex-I/division-4/division-4.3/division-4.3.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.