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 leakage of electrolytes within a few hours.