SCHEDULE 3Specified diseases or pests, damage and defects and tolerances

PART 1Pre-basic seed potatoes of F4GB grade PBTC produced in England

Annotations:

Column 1

Column 2

Specified diseases or pests, damage and defects

Individual tolerances

Group 1

Wart Disease (Synchytrium endobioticum (Schlib) Perc)

Nil

Potato Tuber Eelworm (Ditylenchus destructor Thorne)

Nil

Potato Cyst Nematode (Globodera species infesting potatoes)

Nil

Ring Rot (Clavibacter michiganensis (Smith) Davis et al spp sepedonicus (Spieck & Kotth) Davis et al)

Nil

Brown Rot (Ralstonia solanacearum (Smith) Yabuuchi et al)

Nil

Potato Spindle Tuber Viroid

Nil

Colorado Beetle (Lepinotarsa decemlineata (Say))

Nil

F3Candidatus Liberibacter solanacearum Liefting et al

Nil

Candidatus Phytoplasma solani Quaglino et al

Nil

Group II

Blight (Phytophthora infestans) (Mont) de Bary)

Nil

F1Blackleg (Dickeya Samson et al. spp. or Pectobacterium Waldee emend. Hauben et al. spp. or both

Nil

Soft Rots including: Watery Wound Rot (Pythium ultimum Trow)

Nil

Pink Rot (Phytophthora erythroseptica Pethybridge) and Pit Rot

Nil

Dry Rot (Fusarium species)

Nil

Gangrene (Phoma species)

Nil

Frost damaged tubers

Nil

Group III

Skin spot (Polyscytalum pustulans (Owen & Wakefield) M B Ellis

Nil

Group IV

F2Black scurf as caused by Thanatephorus cucumeris (A.B. Frank) Donk

Nil

Common Scab (Streptomyces species)

Nil

Group V

Powdery scab (Spongospora subterranea (Wallr) Legerh)

Nil

Group VI

External blemishes, including damaged tubers or tubers other than diseased tubers whose shape is atypical for the variety

Nil

Superficial necrosis caused by potato virus Y

Nil

Shrivelled tubers due to excessive dehydration or dehydration caused by silver scurf (Helminthosporium solani)

Nil

Group VII

Dirt or other extraneous matter

1.0%