# The Seed Potatoes (Amendment) Regulations 1988, Schedule


Provisions to be subdstituted for Parts I and II of Schedule 5 to the Seed Potatoes Regulations 1984
“SCHEDULE 5
Regulations 2(1), 12(e), 18)1)(b) and 18(6)
PART I
SPECIFIED DISEASES OR PESTS, DAMAGE AND DEFECTS AND TOLERANCES—POTATOES (OTHER THAN VTSC CLASS) PRODUCED IN GREAT BRITAIN
Column 1
Column 2
Column 3
Column 4
Specified diseases or pests, damage and defects
Individual tolerances
Group tolerances
Collective group tolerances
GROUP I
Wart Disease (Synchytrium endobioticum (Schilb.) Perc.)
NIL
—
—
Potato Tuber Eelworm (Ditylenchus destructor Thorne)
NIL
—
—
Potato Cyst Eelworm (Globodera species infesting potatoes)
NIL
—
—
Ring Rot (Clavibacater michiganensis (Smith) Davis el al. ssp.sepedonicus (Spieck. & Kotth.) Davis et al.)
NIL
—
—
Brown Rot (Pseudomonas solanacearum (E. F. Smith) Jensen)
NIL
—
—
Potato Tuber Moth (Phthorimaea operculella (Zell.)
NIL
—
—
Potato Spindle Tuber Viroid
NIL
—
—
Colorado Beetle (Leptinotarsa decemlineata (Say))
NIL
—
—
GROUP II
Blight (Phytophthora infestans (Mont.) de Bary)
1.0%
1.0%
4.0%
Blackleg (Erwinia carotovora (Jones) Bergey et al. ssp. atroseptica (Hellmers & Dowson) Dye)
1.0%
1.0%
4.0%
Soft Rots including: Watery Wound Rot (Pythium ultimum Trow)
1.0%
1.0%
4.0%
Pink Rot (Phytophthora erythroseptica Pethybridge) and Pit Rot
1.0%
1.0%
4.0%
Dry Rot (Fusarium species)
1.0%
1.0%
4.0%
Gengrene (Phoma species)
1.0%
1.0%
4.0%
Frost damaged tubers
1.0%
1.0%
4.0%
GROUP III
Skin Spot (Polyscytalum (Owen & Wakefield) M. B. Ellis)
2.0%
4.0%
4.0%
Powdery Scab (Spongospora subterranea (Wallr.) Lageth.)
3.0%
4.0%
4.0%
GROUP IV
Black Scurf (Rhizoctonia solant Kühn)
3.0%
4.0%
4.0%
Common Scab (Streptomyces species)
4.0%
4.0%
4.0%
GROUP V
External blemishes or tubers other than diseased tubers whose shape is atypical for the variety
2.0%
2.0%
4.0%
GROUP VI
Dirt or other extraneous matter
1.0%
1.0%
PART II
SPECIFIED DISEASES OR PESTS, DAMAGE AND DEFECTS AND TOLERANCES—VTSC CLASS
Column 1
Column 2
Column 3
Column 4
Specified diseases or pests, damage and defects
Individual tolerances
Group tolerances
Collective group tolerances
GROUP I
Wart Disease (Synchytrium endobioticum (Schilb.) Perc.)
NIL
—
—
Potato Tuber Eelworm (Ditylenchus destructor Thorne)
NIL
—
—
Potato Cyst Eelworm (Globodera species infesting potatoes)
NIL
—
—
Ring Rot (Clavibacater michiganensis (Smith) Davis el al. ssp.sepedonicus (Spieck. & Kotth.) Davis et al.)
NIL
—
—
Brown Rot (Pseudomonas solanacearum (E. F. Smith) Jensen)
NIL
—
—
Potato Tuber Moth (Phthorimaea operculella (Zell.)
NIL
—
—
Potato Spindle Tuber Viroid
NIL
—
—
Colorado Beetle (Leptinotarsa decemlineata (Say))
NIL
—
—
GROUP II
Blight (Phytophthora infestans (Mont.) de Bary)
0.5%
1.0%
4.0%
Blackleg (Erwinia carotovora (Jones) Bergey et al. ssp. atroseptica (Hellmers & Dowson) Dye)
NIL
1.0%
4.0%
Soft Rots including: Watery Wound Rot (Pythium ultimum Trow)
0.5%
1.0%
4.0%
Pink Rot (Phytophthora erythroseptica Pethybridge) and Pit Rot
0.5%
1.0%
4.0%
Dry Rot (Fusarium species)
0.5%
1.0%
4.0%
Gengrene (Phoma species)
0.5%
1.0%
4.0%
Frost damaged tubers
0.5%
1.0%
4.0%
GROUP III
Skin Spot (Polyscytalum (Owen & Wakefield) M. B. Ellis)
0.5%
3.0%
4.0%
GROUP IV
Black Scurf (Rhizoctonia solant Kühn)
1.5%
3.0%
4.0%
Common Scab (Streptomyces species)
3.0%
3.0%
4.0%
GROUP V
Powdery Scab (Spongospora subterranea (Wallr.) Lageth.)
1.5%
3.0%
4.0%
GROUP VI
External blemishes or tubers other than diseased tubers whose shape is atypical for the variety
2.0%
2.0%
4.0%
GROUP VII
Dirt or other extraneous matter
1.0%
1.0%
”

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Source: https://www.legislation.gov.uk/uksi/1988/1759/schedule (the official version)
Page: https://openlegislation.uk/seed-potatoes-amendment-regulations-1988/schedule
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.