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Chilling Injury in Cucumber Leaves in Relation to Temperature

ANN MINCHIN and E. W. SIMON
Journal of Experimental Botany
Vol. 24, No. 83 (December 1973), pp. 1231-1235
Published by: Oxford University Press
Stable URL: http://www.jstor.org/stable/23688759
Page Count: 5
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Chilling Injury in Cucumber Leaves in Relation to Temperature
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Abstract

An Arrhenius plot of the respiration rate of cucumber leaves shows a break at 12 °C; below this temperature Q10 is 5.7. Leaves can survive exposure to 10 °C for a week, but if chilled at 8 °C for 3 d they show some loss of fresh weight and leak electrolytes when immersed in water. At 5 °C there is a marked loss of water and leakage of electrolytes within a few hours.

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