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Relation entre temperature, teneur en glucides et respiration de la plante entiere chez la tomate en phase vegetative

Abstract : Mobilization of stored sugars was induced in tomato seedlings by a 48-h night, and at 4 temperatures (10, 15, 20 and 25 °C). Respiration and carbohydrate content were measured at intervals on shoots and roots and their relationships studied. Sucrose seemed to be the most limiting sugar. Whole-plant respiration was related to the amount of available carbohydrate by a hyperbolic relationship. Sensitivity to chilling was observed around 11 °C with a change in slope of the Arrhenius relationship between maximum respiration and temperature. The response of respiration to carbohydrate content was likely modified by the respiratory energy demand for maintenance, growth and ion uptake.
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Christian Gary. Relation entre temperature, teneur en glucides et respiration de la plante entiere chez la tomate en phase vegetative. Agronomie, EDP Sciences, 1988, 8 (5), pp.419-424. ⟨hal-02717417⟩

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