# Council Directive 2007/33/EC of 11 June 2007 on the control of potato cyst nematodes and repealing Directive 69/465/EEC, Division 13

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

The final population (Pf) on the standard susceptible control variety at the end of the resistance test shall be determined by counting all cysts from all replicates and the eggs and juveniles from at least four replicates.

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Source: https://www.legislation.gov.uk/eudr/2007/33/annex/IV/section/II/division/13 (the official version)
Page: https://openlegislation.uk/eu-directive-2007-33/annex-IV/section-II/division-13
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.