Table 1.
Summary of potato accessions number registered in the study with respect to country of origin and date of release.
| Country | No. of Accessions | 50-Year Temporal Group | |||||
|---|---|---|---|---|---|---|---|
| Heirloom | Old | Modern | |||||
| <1800 | 1801–1850 | 1851–1900 | 1901–1950 | 1951–2000 | 2001–2021 | ||
| Netherlands | 382 | / | / | 3 | 25 | 171 | 183 |
| France | 262 | / | 5 | 9 | 9 | 123 | 116 |
| Germany | 201 | / | / | 4 | 40 | 83 | 73 |
| UK | 142 | 1 | 5 | 26 | 49 | 39 | 22 |
| USA | 68 | 3 | / | 14 | 12 | 36 | 3 |
| Austria | 35 | / | / | 1 | / | 14 | 20 |
| China | 25 | / | / | / | / | 2 | 23 |
| Denmark | 23 | / | / | / | / | 9 | 14 |
| Belgium | 12 | / | / | / | / | 11 | 1 |
| Czechia | 10 | / | / | / | 5 | 5 | / |
| Andes | 9 | 9 | / | / | / | / | / |
| Poland | 8 | / | / | / | 1 | 7 | / |
| RD Congo | 8 | / | / | / | 1 | 7 | / |
| Chiloe Island | 3 | 3 | / | / | / | / | / |
| Hungary | 5 | / | / | / | 1 | 1 | 3 |
| Ireland | 4 | / | 1 | 1 | / | 1 | 1 |
| Russia | 4 | / | / | / | 2 | 2 | / |
| Canada | 2 | / | / | / | / | 2 | / |
| Japan | 2 | / | / | / | / | 2 | / |
| Sweden | 2 | / | / | / | 1 | 1 | / |
| Ukraine | 2 | / | / | / | / | 2 | / |
| Others * | 10 | 3 | / | 1 | / | 3 | 3 |
| Total | 1219 | 19 | 11 | 59 | 146 | 522 | 462 |
* “Others” brings together 10 countries (i.e., Australia, Canary Islands, Finland, Island, Italy, Luxemburg, Norway, New Zealand, Spain, and Ukraine) counting 1 potato accession.