《植物生理学报》 2013, 49(3): 241-246

气孔导度对空气湿度的反应的数学概括及其可能的机理

陈骎, 梁宗锁*

中国科学院水利部水土保持研究所, 陕西杨凌712100

通信作者：梁宗锁；E-mail: liangzs@ms.iswc.ac.cn；Tel: 029-87092373

摘　要：

气孔导度对空气湿度的反应本质上是气孔导度对蒸腾速率的反应, 普遍地可以描述为两个数学方程。本文介绍了能够模拟这两个方程所述气孔导度与空气湿度关系的两个气孔导度机理模型和一个最优气孔控制理论型, 并对前两个模型的模拟进行了比较分析。

关键词：气孔反应; 空气湿度; 导度模型; 最优气孔控制

收稿：2012-12-17   修定：2013-02-22

资助：中国科学院重要方向项目(KZCX2-YW-443)。

Rules and Possible Mechanisms of Stomatal Response to Air Humidity

CHEN Qin, LIANG Zong-Suo*

Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China

Corresponding author: LIANG Zong-Suo; E-mail: liangzs@ms.iswc.ac.cn; Tel: 029-87092373

Abstract:

Stomata respond to transpiration rate rather than air humidity per se. Generally, this response can be described by two equations. This paper introduces three models of stomatal conductance: two mechanistic models and an optimization theory model. They can simulate the stomatal response contained in the two equations. The simulation of the two mechanistic models is compared and appraised.

Key words: stomatal response; air humidity; model of stomatal conductance; optimization theory