Part II SPECIFIED DISEASES OR PESTS, DAMAGE AND DEFECTS AND TOLERANCES—VTSC CLASS PRODUCED IN GREAT BRITAIN
Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below:
| Column 1 | Column 2 | Column 3 | Column 4 |
|---|
| Specified diseases or pests, demage 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 Nematode (Globodera species infesting potatoes) | NIL | — | — |
| Ring Rot (Clavibacter michiganensis (Smith) David et al. ssp. sepedonicus (Spieck. & Kotth.) Davis et al.) | NIL | — | — |
| Brown Rot (Pseudomonas solanacearum (E. F. Smith) Jensen) | NIL | — | — |
| Potato Tuber Moth (Phthorimaea operculella (Zwll.) | NIL | — | — |
| Potato Spincle Tuber Viroid | NIL | — | — |
| Colorado Beetle (Leptinotarsa decemlineata (Say)) | NIL | — | — |
| GROUP II |
| Blight (Phylophthora infestans (Mont.) de Barry) | 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% |
| Gangrene (Phoma species) | 0.5% | 1.0% | 4.0% |
| Frost damaged tubers | 0.5% | 1.0% | 4.0% |
| GROUP III |
| Skin Spot (Polyscytalum pustulans (Owen & Wakefield) M. B. Ellis) | 0.5% | 3.0% | 4.0% |
| GROUP IV |
| Black Scurf (Rhizoctonia solani Kuhn) | 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% | — |