1939
DOI: 10.1104/pp.14.1.93
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The Relation of Cabbage Hardiness to Bound Water, Unfrozen Water, and Cell Contraction When Frozen

Abstract: Several investigators have attempted to correlate bound water with hardiness in cabbage. ROSA (18) was the first to discuss the point. He measured total ice in hardened and unhardened plants by means of the dilatometer. Greater quantities of water remained unfrozen in the former, even though total moisture content was less. He further found that hardened tissue dried more slowly at 600 C. than did tender tissue. BOSWELL (1) confirmed this. But ROSA's results, however suggestive, tell nothing about colloidally … Show more

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Cited by 20 publications
(6 citation statements)
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“…After 35 days of hardening the LT5o for Kharkov is -19 C and the LT5o for Yorkstar is -13 C; the difference in Av2 for these two cultivars is only 0.7 Hz. During hardening of Manitou, Av½ increased 5 Hz and the LT50 increased 2 C. If the hardy cultivar Ulianovka was exposed to similar conditions AvY2 increased 8 Hz and the LT50 increased by 16 C. Although Av½2 is easier and faster to measure than LT50, it is still not preferable.…”
Section: Pulsed Nmr Of Wheat and Rye Crownsmentioning
confidence: 99%
See 1 more Smart Citation
“…After 35 days of hardening the LT5o for Kharkov is -19 C and the LT5o for Yorkstar is -13 C; the difference in Av2 for these two cultivars is only 0.7 Hz. During hardening of Manitou, Av½ increased 5 Hz and the LT50 increased 2 C. If the hardy cultivar Ulianovka was exposed to similar conditions AvY2 increased 8 Hz and the LT50 increased by 16 C. Although Av½2 is easier and faster to measure than LT50, it is still not preferable.…”
Section: Pulsed Nmr Of Wheat and Rye Crownsmentioning
confidence: 99%
“…The physical state of water in plant cells has long been a subject of interest in relation to cold hardiness (16,17,22). NMR3 provides one method of studying water and water interactions in intact biological systems (1,2,6,11,18,19 Samples for analysis were stripped to two leaves and 3-cm sections were cut from just above the base.…”
Section: Continuous Wave Nmr Measurementsmentioning
confidence: 99%
“…Alternatively, decreasing the osmotic potential of the cell, by osmotic adjustment, prior to freezing will reduce the extent of cellular dehydration at a given high subzero temperature (17,18). The reduction of cellular dehydration will be directly proportional to the decrease in osmotic potential.…”
mentioning
confidence: 99%
“…Levitt (9) in MATERIALS AND METHODS Seeds of three cultivars of wheat (Triticum aestivum L.), namely Manitou spring wheat, Cappelle-Desprez and Kharkov winter wheat, and Frontier fall rye (Secale cereale L.) were germinated at 15 C in a soil-sand-peat mixture (2:1:1). At the three leaf stage, plants were cold acclimated by the following temperature (light-period temperature/dark-period temperature) and photoperiod regimes: 10/8 C, 16 hr for the first 7 days, 8/5 C, 16 hr for the next 7 days, 5/3 C, 14 hr for the next 7 days, and 5/1 to 0 C, 12 hr for the following 21 days.…”
mentioning
confidence: 99%