Seed potatoes (updated 27 July 2021)
Growing crop tolerances
Class tolerances apply, except for:
- Potato Leaf Roll virus: 0%
- Potato virus X, Y, A, M, S and T: 0%
Minimum tolerances for seed export apply, except for:
- Black dot (Colletorichum coccodes): 0%
- Skin spot (Polyscytalum pustulans): 0%
- Tuber blight (Phytophthora infestans): 0%
- Powdery scab (Spongospora subterranea): 0%
- Silver scurf (Helminthosporium solani): up to 5% of tubers by weight may be affected with symptoms
- Rhizoctonia solani (all symptoms including black scurf, elephant hide, cracking, etc.): up to 2% of tubers by weight may be affected with symptoms
- Common scab (Streptomyces scabies): up to 3% of tubers by weight may be affected with symptoms
- Import permit: required
- Treatment: must be treated with fungicide and insecticide. The treatment certificate should detail treatment name and dose and should accompany the phytosanitary certificate.
- On arrival: Consignments are subjected to further examination and may be reshipped to port of origin if import conditions are not satisfied.
Additional declarations to be included on the reverse of the phytosanitary certificate for seed potatoes:
- wart Disease (Synchytrium endobioticum) is not known to have occurred at any time on the land on which the potatoes were grown.
- samples of soil from the land on which these potatoes were grown were drawn and tested prior to planting by the official services and no trace was found of Potato cyst nematodes (Glodobera pallida and G. rostochiensis)
- potato tuber nematode (Ditylenchus destructor), root knot nematodes (Meloidogyne spp.) and Potato Spindle Tuber Viroid have not been recorded in commercial stocks of potatoes grown in Scotland.
- ring rot (Clavibacter michiganensis ssp. Sepedonicus), Brown rot (Ralstonia solanacearum), Zebra chip (Candidatus Liberibacter solanacearum) and Colorado beetle (Leptinotarsa decemlineata) are not known to occur in Scotland.
- tomato Rinspot Virus, Radopholus similis , Pratylenchus brachyurus, Epitrix similaris and Epitrix cucumeris are not known to occur in Scotland.
- the consignment has been inspected and found to be practically free from soil and debris.
- the consignment is intended only for cultivation and it does not contain GMOs.