American Potato Journal

, Volume 48, Issue 9, pp 339–343 | Cite as

Evaluation of frost resistant tuber-bearing solanum hybrids

  • Daryl G. Richardson
  • Nelson Estrada Ramos


Frost resistance of interspecific and varietal potato crosses was evaluated at Bogotá, Colombia using intact plants in a programmed low temperature growth cabinet. Plants were exposed to a 2 hour frost during the dark period and the minimum test temperature was successively lowered 1 C on subsequent nights. The foliage was visually scored for damage 10–12 hours after each frost. While most commercial varieties were killed at—2 to—3 C (28 to 26 F), 101 of 121 clones which have been bred specifically for frost resistance survived to at least—5 C (23 F) and some crosses resisted—9 C (16 F) without observable foliar damage. This suggests the possibility of obtaining cultivated varieties from varietal parents of cultivated species such as G. Andigena, G. Phureja, G. Stenotomum,S. ajanhuiri, and others, which are reasonably frost resistant.


Frost Resistance Growth Cabinet Hardy Frost Foliar Damage Potato Collection 
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Copyright information

© Springer 1971

Authors and Affiliations

  • Daryl G. Richardson
    • 1
  • Nelson Estrada Ramos
    • 2
  1. 1.Department of Horticultural ScienceUniversity of MinnesotaSt. Paul
  2. 2.Tuberous Crops ProgramICABogotáColombia

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