Freezing Injury in Onion Bulb Cells: II. Post-thawing Injury or Recovery |
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| Authors: | Palta J P Levitt J Stadelmann E J |
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| Affiliation: | Department of Horticultural Science and Landscape Architecture, University of Minnesota, St. Paul, Minnesota 55108. |
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| Abstract: | Onion (Allium cepa L.) bulbs were subjected for 12 days to either a moderate freeze (−4 C) or a severe freeze (−11 C). They were then thawed slowly over ice. During 7 to 12 days following the thaw, the injury progressed with time in the severely frozen bulbs, but appeared completely repaired in the moderately frozen bulbs. This was shown by the following post-thawing changes. |
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