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United States Department of Agriculture

Agricultural Research Service

Title: Storage/processing performance of advanced potato breeding clones

Authors
item Glynn, Martin
item Sowokinos, Joe - UNIV OF MINNESOTA

Submitted to: Meeting Proceedings
Publication Type: Proceedings
Publication Acceptance Date: February 24, 2007
Publication Date: February 26, 2007
Citation: Glynn, M.T., Sowokinos, J. 2007. Storage/processing performance of advanced potato breeding clones. Minnesota Area II Potato Research & Promotion Council & Northern Plains Potato Growers Association 2007 Research Reports. p. 68-73.

Technical Abstract: The accumulation of reducing sugars during cold storage of potato tubers is a serious and costly problem for producers and processors. Most, but not all, currently used potato cultivars are susceptible to "cold sweetening" and are therefore stored at warmer temperatures that can accelerate disease progression and sprouting. A major goal of potato breeding programs is the development of new potato lines that are resistant to cold sweetening. As part of an on-going program to assist potato breeders in identifying promising new cultivars, the effects of storage temperature on processing quality have been determined for a number of advanced lines submitted by both federal and non-federal potato breeding programs. In this report, the effects of storage temperature on internal reducing sugar levels and processing quality of advanced breeding clones submitted by U.S. and Canadian public breeding programs were determined immediately after harvest and after 3 and 7 months of storage at 42 and 45 degrees F are described. Storage performance of individual clones can be used to determine potential future processing potential. These results can also be used by breeders to determine which advanced lines should undergo further development in their programs.

Last Modified: 10/21/2014
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