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Varieties with a similar appearance
Norchip
| Characters compared | Value |
| Maturity: | Intermediate |
| Growth habit: | Erect |
| Foliage cover: | Moderate to good |
| Flower colour: | White |
| Flower frequency: | Frequent |
| Berries: | Frequent |
| Pollen fertility: | High |
| Tuber skin colour: | White to yellow |
| Tuber eye colour: | Yellow |
| Primary tuber flesh colour: | White |
| Tuber shape: | Oval to round |
| Tuber eye depth: | Shallow to medium |
| Tuber skin texture: | Smooth |
| Variety | Characters matched | Sources |
| Norchip | 11/13 | 3 |
| Escort | 10/13 | 7 |
| Alka | 10/13 | 3 |
| Pentland Ivory | 10/13 | 3 |
| Berezka | 10/13 | 2 |
| Vulkano | 10/13 | 2 |
| Alamo | 10/13 | 2 |
| Istrinsky | 10/13 | 2 |
| Monalisa | 9/13 | 7 |
| Kennebec | 9/13 | 6 |
| Saturna | 9/13 | 6 |
| Atlantic | 9/13 | 5 |
| Record | 9/13 | 4 |
| Amsel | 9/13 | 3 |
| Gatcinsky | 9/13 | 2 |
| Laimdota | 9/13 | 2 |
| Carpatin | 9/13 | 2 |
| Sieglinde | 8/13 | 6 |
| Draga (1970) | 8/13 | 6 |
| Cara | 8/13 | 5 |
| Russet Burbank | 8/13 | 5 |
| Sante | 8/13 | 4 |
| Katahdin | 8/13 | 4 |
| Minerva | 8/13 | 4 |
| Kardal | 8/13 | 3 |
| Arran Peak | 8/13 | 3 |
| Ulster Dale | 8/13 | 3 |
| Manuela | 8/13 | 3 |
| Pentland Dell | 8/13 | 3 |
| Mentor | 8/13 | 3 |
| Mila | 8/13 | 3 |
| Belorussky Ranny | 8/13 | 3 |
| Karnico | 8/13 | 2 |
| Colina | 8/13 | 2 |
| Unikat | 8/13 | 2 |
| Kandidat | 8/13 | 2 |
| Akkord | 8/13 | 2 |
| Bolko | 8/13 | 2 |
| Sinaeda | 8/13 | 2 |
| Reserv | 8/13 | 2 |
| Pompadour (1976) | 8/13 | 1 |
