Effect of oxygen concentration on leaf photosynthesis and resistances to carbon dioxide diffusion
- 1 January 1970
- journal article
- Published by Springer Nature in Planta
- Vol. 91 (4), 285-290
- https://doi.org/10.1007/bf00387501
Abstract
Net photosynthesis of tropical legume leaves increased by 44% and that of tropical grass leaves was unaffected when oxygen concentration was reduced from 21 to 0.2%. Stomatal resistance to carbon dioxide diffusion was unaltered in both cases but mesophyll resistance of legume leaves decreased with oxygen concentration. It is proposed that the decrease in mesophyll resistance is accompanied by decreases in excitation and carboxylation resistances.Keywords
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