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 Viroid

Nil

Colorado Beetle (Lepinotarsa decemlineata (Say))

Nil

Blight (Phytophthora infestans (Mont.) de Bary)

0.2%

F3)

F3)

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 Rot

0.2%

) 0.2%

)

Dry Rot (Fusarium species)

0.2%

)

)

Gangrene (Phoma species)

0.2%

)

)

Frost damaged tubers

0.2%

)

)

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

0.2%

)

) F55.0%

Black Scurf (Rhizoctonia solani Kuhn)

1.0%

) F45.0%

)

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)

F25.0%

)

)

Provided that seed potatoes which have at least two eyes at the rose end that are wholly unaffected and less than F1one-third of whose surface area has been affected are to be deemed to be unaffected by the disease.

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.

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

1.0%

Superficial necrosis caused by potato virus Y

Nil

Dirt or other extraneous matter

1.0%