# Council Directive 93/85/EEC of 4 October 1993 on the control of potato ring rot, Division 4.3.4

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

Arrange the slides on moist paper. Cover the test windows with the dilution of FITC conjugate used to determine the titre. The volume of conjugate applied on the windows must be identical to the volume of antibody applied.

---
Source: https://www.legislation.gov.uk/eudr/1993/85/annex/I/division/4/division/4.3/division/4.3.4 (the official version)
Page: https://openlegislation.uk/eu-directive-1993-85/annex-I/division-4/division-4.3/division-4.3.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.