# Council Directive 93/85/EEC of 4 October 1993 on the control of potato ring rot, Division 10.1

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

Prepare an inoculum of approximately 10 6 cells per ml from three day cultures of the isolate to be tested and an appropriate positive control strain of C. m. subsp. sepedonicus .

---
Source: https://www.legislation.gov.uk/eudr/1993/85/annex/I/division/10/division/10.1 (the official version)
Page: https://openlegislation.uk/eu-directive-1993-85/annex-I/division-10/division-10.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.