{
  "url": "https://openlegislation.uk/eu-directive-2014-21/article-2",
  "json_url": "https://openlegislation.uk/eu-directive-2014-21/article-2.json",
  "legislation": "eudr/2014/21",
  "legislation_title": "Commission Implementing Directive 2014/21/EU of 6 February 2014 determining minimum conditions and Union grades for pre-basic seed potatoes (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-directive-2014-21",
  "path": "article/2",
  "kind": "article",
  "number": "2",
  "heading": "Minimum conditions for pre-basic seed potatoes",
  "text": "1. Member States shall ensure that pre-basic seed potatoes satisfy the following minimum conditions:\n(a) they derive from mother plants which are free from the following pests: Pectobacterium spp., Dickeya spp., Candidatus Liberibacter solanacearum , Candidatus Phytoplasma solani , Potato spindle tuber viroid, Potato leaf roll virus, Potato virus A, Potato virus M, Potato virus S, Potato virus X, and Potato virus Y;\n(b) the number of growing plants not breeding true to the variety and the number of plants of a different variety together, shall not exceed 0,01 %;\n(c) the maximum number of field generations shall be four;\n(d) RNQPs, or symptoms caused by the respective RNQPs, shall not be present above the thresholds on the pre-basic seed potatoes as set out in the following table:\nRNQPs or symptoms caused by RNQPs\nThreshold for the presence of RNQPs on the growing plants for pre-basic seed potatoes\nBlackleg ( Dickeya Samson et al . spp. [1DICKG]; Pectobacterium Waldee emend. Hauben et al . spp. [1PECBG])\n0 %\nCandidatus Liberibacter solanacearum Liefting et al . [LIBEPS]\n0 %\nCandidatus Phytoplasma solani Quaglino et al . [PHYPSO]\n0 %\nMosaic symptoms caused by viruses\nand\nsymptoms caused by Potato leaf roll virus [PLRV00]\n0,1 %\nPotato spindle tuber viroid [PSTVD0]\n0 %\nRNQPs or symptoms caused by RNQPs\nThreshold for the presence of RNQPs on the direct progeny of pre-basic seed potatoes\nSymptoms of virus infection\n0,5 %\n2. Member States shall provide that pre-basic seed potatoes may be marketed as ‘ Union grades PBTC ’ and ‘ Union grade PB ’ , in accordance with the conditions set out in the Annex.\n3. Compliance with the requirements of points (b) and (d) of paragraph 1 shall be established through official field inspections. In case of doubt, those inspections shall be supplemented by official tests on leaves.\nWhere methods of micro-propagation are used, compliance with point (a) of paragraph 1 shall be established by official testing, or testing under official supervision, of the mother plant.\nWhere methods of clonal selection are used, compliance with point (a) of paragraph 1 shall be established by official testing, or testing under official supervision, of the clonal stock.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Substituted by Commission Implementing Directive (EU) 2020/177 of 11 February 2020 amending Council Directives 66/401/EEC, 66/402/EEC, 68/193/EEC, 2002/55/EC, 2002/56/EC and 2002/57/EC, Commission Directives 93/49/EEC and 93/61/EEC and Implementing Directives 2014/21/EU and 2014/98/EU as regards pests of plants on seeds and other plant reproductive material (Text with EEA relevance)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudr/2014/21/article/2",
    "retrieved_at": "2026-11-01T15:21:49.743215+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}