| HIGHER TAXON: | Solanaceae |
| GENUS: | Solanum L. | | Solanum tuberosum L. cv.
Duke of York | | Pedigree: | Early Primrose x King Kidney [5,6,11,13,19,20]
Early Primrose x King Kidney (tbr) [9] | | Breeder: | Nicolas Frh. von Pfetten-Arnbach [9]
Sim.W, Fyvie, Scotland [5,5,11,13,19] | |
| Breeder's rights: | No [13] | |
| Synonyms: | (1) Eersteling [2,5,6,9,11,13,19,20]
(2) Erstling [9,23,9]
(3) Midlothian Early [13] | | National list: | 1891 [9]
1935 [11]
1966 [13] | |
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| Foliage cover | 3[19] 5[9,13] |
| Flower colour | 1[9,13,19] |
| Flower frequency | 2[9] 3[13,19] |
| Berries | 1[9,13,19] |
| Light sprout colour | 1[2,13,19] |
| Tuber skin colour | 1[9,11,13,19] |
| Tuber eye colour | 1[13,19] |
| Primary tuber flesh colour | 3[9,13,19] 4[2,11] |
| Tuber shape | 3[11] 4[2,9,13,19] |
| Tuber eye depth | 7[2,9,11,13] 9[19] |
| Tuber skin texture | 4[13] 6[2,19] |
| Yield potential | 4[9] 7[19,23] |
| Early harvest yield potential | 5[9] 9[11] |
| Tubers per plant | 6[9] |
| Tuber size | 4[9,11] 6[2] 7[19] |
| Tuber shape uniformity | 6[2] 7[9,13] 9[19] |
| Secondary growth | 7[9] |
| Hollow heart tendency | 7[9] |
| Internal rust spot | 4[9] 6[11] |
| Resistance to external damage | 7[9] |
| Resistance to internal bruising | 5[19] 6[9] |
| Dormancy period | 5[9] |
| Storage ability | 2[11] |
| Cooking type / 411 Cooked texture | 2[9,11,19] 5[2] |
| After cooking blackening | 3[2] 7[9,19] 8[13] |
| Enzymic browning | 7[9] |
| Taste | 6[2] 7[9] |
| Dry matter content | 4[11] 6[19] 7[13,23] |
| Starch content | 3[9] 5[23] |
| Presence of late blight R gene | 3[13] |
| Resistance to common scab (Streptomyces scabies) | 2[13] 4[11,19] 5[9] |
| Wart (Synchytrium endobioticum) | 1[9,11,13,19] |
| Resistance to gangrene (Phoma foveata) | 2[13] 3[9] |
| Resistance to dry rot (Fusarium spp.) | 5[9,13] |
| Resistance to potato virus A | 3[9] 9[11,19] |
| Resistance to potato virus M | 6[9] |
| Resistance to potato virus X | 3[9,13] 6[19] |
| Resistance to potato virus Y (strain not specified) | 3[11,13] 4[9] 5[19] |
| Resistance to potato leaf roll virus | 3[13] 4[11] 5[9,19] |
| Resistance to tobacco rattle virus | 6[9] |
| Resistance to Globodera rostochiensis race 1 | 3[9,19] |
| Drought resistance | 5[9] |
| Resistance to late blight on tubers | 2[9,11] 3[13,19] |
| Resistance to late blight on foliage | 2[11,19] 3[13,25] 4[9] |
