Regulation 2(3)
Column 1 Specified diseases or pests, damage and defects | Column 2 Individual tolerances |
---|---|
Group 1 | |
Wart Disease (Synchytrium endobioticum (Schilb) 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 |
Group II | |
Blight (Phytophthora infestans) (Mont) de Bary) | Nil |
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) | 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 | |
Black Scurf (Rhizoctonia solani Kuhn) | 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% |
Column 1 Specified diseases or pests, damage and defects | Column 2 Individual tolerances | Column 3 Group tolerances | Column 4 Collective group tolerances |
---|---|---|---|
Group I | |||
Wart Disease (Synchytrium endobioticum (Schilb) Perc) | Nil | – | – |
Potato Tuber Eelworm (Ditylenchus destructor Thorne) | Nil | – | – |
Potato Cyst Nematode (Globodera species infest-ing 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 | – | – |
Group II | |||
Blight (Phytophthora infestans (Mont) de Bary) | 0.2% | ) | ) |
Blackleg (Erwinia carotovora (Jones) Bergey et al spp) atroseptica (Hellmers & Dowson) Dye or Erwinia chrysanthemi Burkholder et al or both | 0.2% | ) | ) |
Soft Rots including: Watery Wound Rot (Pythium ultimumTrow) | 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% | ) | ) |
Group III | |||
Skin spot (Polyscytalum pustulans (Owen & Wakefield)) M B Ellis | 0.2% | ) | ) 6.0% |
Group IV | |||
Black Scurf (Rhizoctonia solani Kuhn) | 1.0% | ) 5.0% | ) |
Provided that seed potatoes which have at least two eyes at the rose end that are wholly unaffected and less than one-tenth of whose surface area has been affected are deemed to be unaffected by the disease | |||
Common Scab (Streptomyces species) | 5.0% | ) | ) |
Provided that seed potatoes which have at least two eyes at the rose end that are wholly unaffected and less than one-third of whose surface area has been affected are 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-tenth of whose surface area has been affected are deemed to be unaffected by the disease | |||
Group VI | |||
External blemishes including damaged tubers or tubers other than diseased tubers whose shape is atypical for the variety | 3.0% | ) | – |
Superficial necrosis caused by potato virus Y | Nil | ) 3.0% | – |
Shrivelled tubers due to excessive dehydration or dehydration caused by silver scurf (Helminthosporium solani) | 0.5% | ) | – |
Group VII | |||
Dirt or other extraneous matter | 1.0% | – | – |
Column 1 Specified diseases or pests, damage and defects | Column 2 Individual tolerances | Column 3 Group tolerances | Column 4 Collective group tolerances | |||
---|---|---|---|---|---|---|
Group I | ||||||
Wart Disease (Synchytrium endobioticum (Schilb) 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 | – | – | |||
Group II | ||||||
Blight (Phytophthora infestans (Mont) de Bary) | 0.5% | ) | ) | |||
Blackleg (Erwinia carotovora (Jones) Bergey et al spp) atroseptica (Hellmers & Dowson) Dye or Erwinia chrysanthemi Burkholder et al or both | 0.5% | ) | ) | |||
Soft Rots including Watery Wound Rot (Pythium ultimumTrow) | 0.5% | ) 0.5% | ) | |||
Pink Rot (Phytophthora erythroseptica Pethybridge) and Pit Rot | 0.5% | ) | ) | |||
Dry Rot (Fusarium species) | 0.5% | ) | ) | |||
Gangrene (Phoma species) | 0.5% | ) | ) | |||
Frost damaged tubers | 0.5% | ) | ) | |||
Any of these Group II defects that present as a wet rot symptom | 0.2% | ) | ) | |||
Group III | ||||||
Skin spot (Polyscytalum pustulans (Owen & Wakefield) M B Ellis) | 0.5% except Union grade E, Union grade A and Union grade B grades; 2.0% for Union grade E, Union grade A and Union grade B grades only | ) | ) | |||
Powdery scab (Spongospora subterranea (Wallr) Legerh) Provided that seed potatoes which have at least two eyes at the rose end that are wholly unaffected and less than one-tenth of whose surface area has been affected are deemed to be unaffected by the disease (except where powdery scab takes its cankerous form) | 3.0% | ) 5.0% | 6.0% for basic seed potatoes and 8.0% for certified seed potatoes | |||
Group IV | ||||||
Black Scurf (Rhizoctonia solani Kuhn) | 5.0% | ) | ) | |||
Provided that seed potatoes which have at least two eyes at the rose end that are wholly unaffected and less than one-tenth of whose surface area has been affected are deemed to be unaffected by the disease | ||||||
Common Scab (Streptomyces species) | 5.0% | ) | ) | |||
Provided that seed potatoes which have at least two eyes at the rose end that are wholly unaffected and less than one-third of whose surface area has been affected are deemed to be unaffected by the disease | ||||||
Group V | ||||||
External blemishes including damaged tubers or tubers other than diseased tubers whose shape is atypical for the variety | 3.0% | ) | – | |||
Shrivelled tubers due to excessive dehydration or dehydration caused by silver scurf (Helminthosporium solani) | 1.0% | ) 3.0% | – | |||
Superficial necrosis caused by strains of potato virus Y | 0.1% | ) | – | |||
Group VI | ||||||
Dirt or other extraneous matter | 1.0% | – | – |
Column 1 Specified diseases or pests, damage and defects | Column 2 Individual tolerances | Column 3 Collective tolerances |
---|---|---|
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 | – |
Wart Disease (Synchytrium endobioticum (Schilb) Perc) | 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 | – |
Earth or other extraneous matter | 2.0% | – |
Dry and wet rot, except if caused by Synchytrium endobioticum, Clavibacter michiganensis (Smith) Davis et al ssp Sepedonicus (Spieck & Kotth) Davis et al) or Ralstonia solanacearum (Smith) Yabuuchi et al) | 1.0% | ) |
External blemishes including damaged tubers or tubers other than diseased tubers whose shape is atypical for the variety | 3.0% | ) 6.0% |
Common Scab: tubers affected over more than one-third of their surface | 5.0% | ) |
(1) The diseases, pests, damages and defects that are to be aggregated for a relevant group tolerance; collective group tolerance or collective tolerance are indicated by “)”.
(2) The diseases, pests, damages and defects that should not be aggregated for a relevant group tolerance; collective group tolerance or collective tolerance are indicated by “–”.
(3) Horizontal lines within a column indicate the extent of a relevant group tolerance; collective group tolerance or collective tolerance.