{
  "url": "https://openlegislation.uk/seed-potatoes-regulations-1991/schedule-5/part-II",
  "json_url": "https://openlegislation.uk/seed-potatoes-regulations-1991/schedule-5/part-II.json",
  "legislation": "uksi/1991/2206",
  "legislation_title": "The Seed Potatoes Regulations 1991",
  "legislation_url": "https://openlegislation.uk/seed-potatoes-regulations-1991",
  "path": "schedule/5/part/II",
  "kind": "part",
  "number": "II",
  "heading": "SPECIFIED DISEASES OR PESTS, DAMAGE AND DEFECTS AND TOLERANCES—VTSC CLASS PRODUCED IN GREAT BRITAIN",
  "text": "Column 1\nColumn 2\nColumn 3\nColumn 4\nSpecified diseases or pests, demage and defects\nIndividual tolerances\nGroup tolerances\nCollective group tolerances\nGROUP I\nWart disease (Synchytrium endobioticum (Schilb.) Perc.)\nNIL\n—\n—\nPotato Tuber Eelworm (Ditylenchus destructor Thorne)\nNIL\n—\n—\nPotato Cyst Nematode (Globodera species infesting potatoes)\nNIL\n—\n—\nRing Rot (Clavibacter michiganensis (Smith) David et al. ssp. sepedonicus (Spieck. & Kotth.) Davis et al.)\nNIL\n—\n—\nBrown Rot (Pseudomonas solanacearum (E. F. Smith) Jensen)\nNIL\n—\n—\nPotato Tuber Moth (Phthorimaea operculella (Zwll.)\nNIL\n—\n—\nPotato Spincle Tuber Viroid\nNIL\n—\n—\nColorado Beetle (Leptinotarsa decemlineata (Say))\nNIL\n—\n—\nGROUP II\nBlight (Phylophthora infestans (Mont.) de Barry)\n0.5%\n1.0%\n4.0%\nBlackleg (Erwinia carotovora (Jones) Bergey et al. ssp atroseptica (Hellmers & Dowson) Dye)\nNIL\n1.0%\n4.0%\nSoft Rots including: Watery Wound rot (Pythium ultimum Trow)\n0.5%\n1.0%\n4.0%\nPink Rot (Phytophthora erythroseptica Pethybridge) and Pit Rot\n0.5%\n1.0%\n4.0%\nDry Rot (Fusarium species\n0.5%\n1.0%\n4.0%\nGangrene (Phoma species)\n0.5%\n1.0%\n4.0%\nFrost damaged tubers\n0.5%\n1.0%\n4.0%\nGROUP III\nSkin Spot (Polyscytalum pustulans (Owen & Wakefield) M. B. Ellis)\n0.5%\n3.0%\n4.0%\nGROUP IV\nBlack Scurf (Rhizoctonia solani Kuhn)\n1.5%\n3.0%\n4.0%\nCommon Scab (Streptomyces species\n3.0%\n3.0%\n4.0%\nGROUP V\nPowdery Scab (Spongospora subterranea (Wallr.) Lageth.)\n1.5%\n3.0%\n4.0%\nGROUP VI\nExternal blemishes or tubers other than diseased tubers whose shape is atypical for the variety\n2.0%\n2.0%\n4.0%\nGROUP VII\nDirt or other extraneous matter\n1.0%\n1.0%\n—",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "am (W)",
      "affecting": "wsi/2001/3666",
      "affecting_title": "The Seed Potatoes (Amendment) (Wales) Regulations 2001"
    },
    {
      "type": "am (W)",
      "affecting": "wsi/2001/3666",
      "affecting_title": "The Seed Potatoes (Amendment) (Wales) Regulations 2001"
    },
    {
      "type": "am (W)",
      "affecting": "wsi/2001/3666",
      "affecting_title": "The Seed Potatoes (Amendment) (Wales) Regulations 2001"
    },
    {
      "type": "amended",
      "affecting": "uksi/2000/1788",
      "affecting_title": "The Seed Potatoes (Amendment) (England) Regulations 2000"
    },
    {
      "type": "amended",
      "affecting": "uksi/1994/2592",
      "affecting_title": "The Seed Potatoes (Amendment) Regulations 1994"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1991/2206/schedule/5/part/II",
    "retrieved_at": "2026-10-29T14:37:17.856849+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."
}