Division 5 FISH TESTF1 United Kingdom Original text. Later amendments are not shown. Principle 5.1Potato extract fixation 5.2Pre-hybridisation and hybridisation 5.3Reading the FISH test 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 4.4.5 Division 5 Division →