<紀要論文>
EVALUATION OF LEAF BOUNDARY LAYER CONDUCTANCE OF A WHOLE PLANT BY APPLICATION OF ABSCISIC ACID INHIBITING TRANSPIRATION

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概要 A method for evaluating leaf boundary layer conductance of an intact whole plant was newly proposed and applied to cucumber and letttuce plants in a growth cabinet. The method was based on difference ...between heat balance equations in the respective steady states before and after abscisic acid (ABA) was applied to the root media. After ABA treatment, remarkable decrease in transpiration and rise in leaf temperature were caused by stomatal depression, and leaf boundary layer conductance averaged over a whole plant was evaluated from the theoretical equation by measuring transpiration rate per plant, leaf temperature and air temperature before and after ABA treatment. The proposed method was suggested to be applicable to analysis of heat and mass transfer between a whole plant and the ambient air.続きを見る

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登録日 2009.04.22
更新日 2017.06.13