# Council Directive of 8 December 1969 on control of Potato Wart Disease (69/464/EEC), Article 5

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

1. The Member States shall provide that in the safety zone potatoes may be grown only if they are of a variety which is resistant to the races of Synchytrium endobioticum found on the contaminated plot.
2. A potato variety shall be regarded as being resistant to a particular race of Synchytrium endobioticum when it reacts to contamination by the pathogenic agent of that race in such a way that there is no danger of secondary infection.

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Source: https://www.legislation.gov.uk/eudr/1969/464/article/5 (the official version)
Page: https://openlegislation.uk/eu-directive-1969-464/article-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.