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Tuber shape

• CIP advanced clones : tuber shape and depth of eyes. See also the catalogue of CIP potato varieties .

• the European Cultivar Potato Database: data on tuber shape (>3800 observations), uniformity (>2300 observations) and size (>2000 observations).
• the British Potato Varieties Database, select Shape of tuber
• varieties in the Netherlands NIVAP (shape as well as size)
• French catalogue , criteria, select: Forme du tubercule, Grosseur des tubercules or Régularité géometrique de la forme.
• Neiker: >120 observations on tuber shape and 30 on size in downloadable data set (varieties).
• 104 clones at NordGen (also available uniformity of shape)