Seasonal variations in freezing curves of stem sections of Cornus stolonifera MICHX.

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概要

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• Comparisons of freezing curves have been used to determine the viability of plant parts exposed to stress. To gain understanding of the natural seasonal variations in freezing curves, uniform twig sections of red-osier dogwood Cornus stolonifera MICHX.) were collected throughout the year from a single clone and subjected to controlled freezing while the tissue temperature was recorded. The supercooling of samples ranges from -2 to 7°, but the variation was random and unpredictable. There was no apparent relationship between supercooling and the season of the year or the hardiness of the tissue. The freezing point depression, as estimated by the temperature of the first freezing plateau, was always between -0.25 and -1.0°and bore no relationship to hardiness or season. The freezing curves were basically of three types: Summer and winter curves with two distinct freezing points; Early autumn curves with 3 distinct freezing points and spring curves with one prominent first freezing point which tended to mask the second freezing point.

• 日本植物生理学会の論文

著者

• Weiser C.j.

  Department Of Horticultural Science University Of Minnesota

• HALL T.C.

  Department of Botany, University of Nottingham

• MCLEESTER R.C.

  Department of Horticultural Science, University of Minnesota, St. Paul, Minnesota 55101, U. S. A.

• Hall T.c.

  Department Of Horticultural Science University Of Minnesota St. Paul:(present)horticulture Departmen

• Hall T.c.

  Department Of Botany University Of Nottingham:(present)dept. Of Horticultural Science University Of

• Mcleester R.c.

  Department Of Horticultural Science University Of Minnesota St. Paul Minnesota 55101 U. S. A.:(prese

関連論文

• STUDIES ON PROTEIN SYNTHESIS IN TOMATO COTYLEDONS AND LEAVES II. INTERMEDIATE STAGES OF PROTEIN SYNTHESIS
• Seasonal variations in freezing curves of stem sections of Cornus stolonifera MICHX.
• STUDIES ON PROTEIN SYNTHESIS IN TOMATO COTYLEDONS AND LEAVES I. PROTEIN SYNTHESIS AND TURNOVER IN INTACT COTYLEDONS AND LEAVES
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• THE RELATION OF COLD RESISTANCE TO THE STATUS OF PHOSPHORUS AND CERTAIN METABOLITES IN RED-OSIER DOGWOOD (CORNUS STOLONIFERA MICHX.)
• Influence of photoperiod and temperature on potato foliage protein and 4S RNA

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