Division 8.1.3 F1 United Kingdom Original text. Later amendments are not shown. Incubate plates in the dark at 21 to 23 °C. Annotations Textual amendments F1 Substituted by Commission Directive 2006/56/EC of 12 June 2006 amending the Annexes to Council Directive 93/85/EEC on the control of potato ring rot. ← Division Division 8.1.3 Division 8.1.4 →