Alex McDonald - Seed potato specialists - New Zealand
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Alex Mcdonald
Alex McDonald

Ultra

Thursday, August 20, 2009

Consumer Quality

Firm to fairly firm in cooking. Slight disclouration of after cooking blackening. Suitable for fresh consumption. Good to medium dry matter. Very high yield. Good to mediu dry matter content. Good resistance to internal bruising.

Tuber Description

  • Skin colour - pale yellow
  • Flesh colour - pale yellow
  • Shape - long oval; unfiform
  • Size - large
  • Skin surface - smooth
  • Eye depth - shallow

Disease and Pest Resistance

  • Virus Yn - moderately good resistance
  • Virus X - moderate resistance
  • Virus A - good resistance
  • Common Scab - moderately resistant
  • Leaf roll - moderate resistance
  • Tuber Blight - good resistance
  • Leaf Blight - moderately susceptible
  • Potato Cyst Nematode - resistant to Ro1

General

Moderately early to moderately later maturity. Long to very long dormancy.