SCHEDULE 3E+WSPECIFIED DISEASES OR PESTS, DAMAGE AND DEFECTS AND TOLERANCES

PART II E+WPre-basic seed potatoes of pre-basic 1, pre-basic 2, pre-basic 3 or pre-basic 4 class produced in Wales

Column 1Column 2Column 3Column 4
Specified diseases or pests, damage and defectsIndividual tolerancesGroup tolerancesCollective group tolerances
GROUP I
Wart Disease (Synchytrium endobioticum (Schlib.) Perc.)Nil
Potato Tuber Eelworm (Ditylenchusdestructor 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 ViroidNil
Colorado Beetle (Lepinotarsa decemlineata (Say))Nil
GROUP II
Blight (Phytophthora infestans (Mont.) de Bary)0.2%[F1)][F1)]
Blackleg (Erwinia carotovora (Jones) Bergey et al. spp. atroseptica (Hellmers & Dowson) Dye or Erwinia chrysanthemi Burkholder et al. or both)Nil))
Soft Rots including: Watery Wound Rot (Pythium ultimum Trow)0.2%))
Pink Rot (Phytophthora erythroseptica Pethybridge) and Pit Rot0.2%) 0.2%)
Dry Rot (Fusarium species)0.2%))
Gangrene (Phoma species)0.2%))
Frost damaged tubers0.2%))
GROUP III
Skin spot (Polyscytalum pustulans (Owen & Wakefield) M. B. Ellis)0.2%)) [F25.0%]
GROUP IV
Black Scurf (Rhizoctonia solani Kuhn)1.0%) [F35.0%])
Provided that seed potatoes which have at least two eyes at the rose end that are wholly unaffected and less than one-eighth of whose surface area has been affected are to be deemed to be unaffected by the disease.   
Common Scab (Streptomyces species) [F45.0%]))
Provided that seed potatoes which have at least two eyes at the rose end that are wholly unaffected and less than [F5one-third] of whose surface area has been affected are to be deemed to be unaffected by the disease.   
GROUP V
Powdery scab (Spongospora subterranea (Wallr.) Legerh.)1.0%))
Provided that seed potatoes which have at least two eyes at the rose end that are wholly unaffected and less than one-eighth of whose surface area has been affected are to be deemed to be unaffected by the disease.   
GROUP VI
External blemishes or tubers other than diseased tubers whose shape is atypical for the variety1.0%
Superficial necrosis caused by potato virus YNil  
GROUP VII
Dirt or other extraneous matter1.0%

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