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Varieties with a similar appearance
Sulki
| Characters compared | Value |
| Maturity: | Intermediate to late |
| Growth habit: | Spreading |
| Foliage cover: | Moderate to good |
| Flower colour: | White |
| Flower frequency: | Frequent |
| Pollen fertility: | Moderate |
| Tuber skin colour: | White to yellow |
| Primary tuber flesh colour: | Light yellow |
| Tuber shape: | Oval |
| Tuber eye depth: | Shallow to medium |
| Variety | Characters matched | Sources |
| Sulki | 9/10 | 3 |
| Anosta | 8/10 | 3 |
| Fresco | 8/10 | 3 |
| Wilja | 8/10 | 3 |
| Escort | 7/10 | 7 |
| Jaerla | 7/10 | 6 |
| Russet Burbank | 7/10 | 5 |
| Erntestolz | 7/10 | 4 |
| Remarka | 7/10 | 4 |
| Colina | 7/10 | 3 |
| Zenith | 7/10 | 3 |
| Kvetuse | 7/10 | 3 |
| Green Mountain | 7/10 | 3 |
| Isola | 7/10 | 3 |
| Elsa | 7/10 | 2 |
| Kalina (1966) | 7/10 | 2 |
| Orlik (1963) | 7/10 | 2 |
| Draga (1944) | 7/10 | 2 |
| Sasanka | 7/10 | 2 |
| Rita (1962) | 7/10 | 2 |
| Sagitta | 7/10 | 2 |
| Jiskra | 7/10 | 2 |
| Renata | 7/10 | 2 |
| Dalat Weiss | 7/10 | 1 |
| Capella | 7/10 | 1 |
| Druma | 7/10 | 1 |
| Fortuna (1950) | 7/10 | 1 |
| Solanum andig 29x146 60 | 7/10 | 1 |
| Waalstar | 7/10 | 1 |
| Bintje | 6/10 | 9 |
| Monalisa | 6/10 | 8 |
| Cara | 6/10 | 6 |
| Draga (1970) | 6/10 | 6 |
| Hermes | 6/10 | 6 |
| Premiere | 6/10 | 5 |
| Ackersegen | 6/10 | 5 |
| Sirtema | 6/10 | 5 |
| Ostara | 6/10 | 5 |
| Estima | 6/10 | 4 |
| Aquila | 6/10 | 4 |
| Minerva | 6/10 | 4 |
| Lisa | 6/10 | 4 |
| Great Scot | 6/10 | 4 |
| Adretta | 6/10 | 4 |
| Thynia | 6/10 | 4 |
| Corine | 6/10 | 4 |
| Saskia | 6/10 | 4 |
| Katahdin | 6/10 | 4 |
| Herald | 6/10 | 3 |
| Atleet | 6/10 | 3 |
| Bzura | 6/10 | 3 |
| Simson | 6/10 | 3 |
| Blanik | 6/10 | 3 |
| Bornia | 6/10 | 3 |
| Accent | 6/10 | 3 |
| Falke | 6/10 | 3 |
| Aspotet | 6/10 | 3 |
| Arkula | 6/10 | 3 |
| Laura | 6/10 | 3 |
| Marfona | 6/10 | 3 |
| Tasso | 6/10 | 3 |
| Bryza | 6/10 | 3 |
| Industrie | 6/10 | 3 |
| Welsa | 6/10 | 3 |
| Eba | 6/10 | 3 |
| Tertus | 6/10 | 3 |
| Rika | 6/10 | 3 |
| Danva | 6/10 | 3 |
| Hankkijan Tanu | 6/10 | 3 |
| Arran Peak | 6/10 | 3 |
| Agata | 6/10 | 3 |
| Otava | 6/10 | 3 |
| Aranyalma | 6/10 | 3 |
| Donald | 6/10 | 3 |
| Advira | 6/10 | 3 |
| Renova | 6/10 | 3 |
| Stobrawa | 6/10 | 3 |
| Eleisa | 6/10 | 2 |
| Bona | 6/10 | 2 |
| Regina (1972) | 6/10 | 2 |
| Gabi (1965) | 6/10 | 2 |
| Amva | 6/10 | 2 |
| Atol | 6/10 | 2 |
| Rajka | 6/10 | 2 |
| Fabricia | 6/10 | 2 |
| Eclipse | 6/10 | 2 |
| Secunda | 6/10 | 2 |
| Rental | 6/10 | 2 |
| Topaz | 6/10 | 2 |
| Bolko | 6/10 | 2 |
| Norma (1980) | 6/10 | 2 |
| Granit | 6/10 | 2 |
| Lekkerlander | 6/10 | 2 |
| Gloria (1937) | 6/10 | 2 |
| Atlanta (1950) | 6/10 | 2 |
| Liwia | 6/10 | 2 |
| Kora (1975) | 6/10 | 2 |
| Pollux | 6/10 | 2 |
| Alma (1978) | 6/10 | 2 |
| Lerche | 6/10 | 2 |
| Fruhbote | 6/10 | 2 |
| Vesta | 6/10 | 2 |
| Tatranka | 6/10 | 2 |
| Janka | 6/10 | 2 |
| Reflecta | 6/10 | 2 |
| Carina | 6/10 | 2 |
| Kiva | 6/10 | 2 |
| Lori | 6/10 | 2 |
| Barima | 6/10 | 2 |
| Triumf | 6/10 | 2 |
| Atlas (1990) | 6/10 | 2 |
| Flora (1939) | 6/10 | 2 |
| Antigo | 6/10 | 2 |
| Thyra | 6/10 | 2 |
| Schwalbe | 6/10 | 2 |
| Karmen | 6/10 | 2 |
| Cisa | 6/10 | 2 |
| Glenesk | 6/10 | 2 |
| Sora | 6/10 | 1 |
| MPI 44 335 130 | 6/10 | 1 |
| Ma 65 38 1 | 6/10 | 1 |
| Virginia | 6/10 | 1 |
| Vltava | 6/10 | 1 |
| Activa | 6/10 | 1 |
| Merrimack | 6/10 | 1 |
| Salma | 6/10 | 1 |
| Orion (1955) | 6/10 | 1 |
| Tiger | 6/10 | 1 |
| Immertreu | 6/10 | 1 |
| Namenlose | 6/10 | 1 |
| Hanne | 6/10 | 1 |
| Wanda | 6/10 | 1 |
| Herkol | 6/10 | 1 |
| Tanja | 6/10 | 1 |
| Jarabina | 6/10 | 1 |
| Ma 62 48 441 N | 6/10 | 1 |
| Ane | 6/10 | 1 |
| Reneta | 6/10 | 1 |
| Eniwa | 6/10 | 1 |
| Vichola | 6/10 | 1 |
| Gemma | 6/10 | 1 |
| Filli | 6/10 | 1 |
| MPI 66 1168 24 | 6/10 | 1 |
| Bertita | 6/10 | 1 |
| Gluckskind | 6/10 | 1 |
| Apollo (1956) | 6/10 | 1 |
| Plana | 6/10 | 1 |
| Arensa | 6/10 | 1 |
| Ronda (1947) | 6/10 | 1 |
