棉花中的二氧化碳交换：一些异常波动
Carbon dioxide exchange in cotton: some anomalous fluctuations.
作者信息
Troughton J H, Cowan I R
出版信息
Science. 1968 Jul 19;161(3838):281-3. doi: 10.1126/science.161.3838.281.
PMID:5657334
Abstract
Anomalous depressions in carbon dioxide exchange were observed in cotton leaves that were exhibiting oscillations in transpiration under controlled conditions of environment. The depressions occurred only when leaf temperature exceeded 37.5 degrees C and when the leaf diffusive resistance was minimum. Stomatal control of the supply of carbon dioxide to the leaf does not seem to be implicated in the effect.
摘要
在可控环境条件下，对蒸腾作用呈现振荡现象的棉花叶片进行观察时，发现其二氧化碳交换存在异常降低的情况。这种降低仅在叶片温度超过37.5摄氏度且叶片扩散阻力最小时出现。气孔对叶片二氧化碳供应的控制似乎与该效应无关。
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