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  Differences in Storage Quality Between Eleven Russet Burbank Clones

Warren K. Coleman1, David Wattie2, Xiu Q. Li1, Esther Tremblay-Deveau1 and Shirlyn E. Coleman2

Abstract: Abstract: A two year study was undertaken to evaluate storage quality of eleven 'Russet Burbank' clones grown at Fredericton, New Brunswick. Clonal differences were detected for both sucrose and glucose levels in tubers during storage at 4 and 10 degrees Celsius after three months in storage. Although absolute glucose levels after 10 degrees Celsius storage varied from year to year, there were similar trends among the clones. Best processing clones (low glucose) after three month's storage over the two year period were, in decreasing order of importance, Heany, Graham's Road, Idaho D, PEI2 and Colorado. The British Columbia, Idaho E and NB2 clones were the worst in terms of internal tuber glucose levels. Preliminary data suggests that the year to year variability may be a reflection of the chemical maturity of the tubers at harvest.

1Potato Research Centre, Agriculture and Agri-Food Canada, P.O. Box 20280, Fredericton, NB E3B 4Z7
2Potato and Horticultural Branch, NBDARD, Fredericton, NB E3B 5H1

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