Abstract
Leaf cuticular surface absorption of O3 was investigated inBetula pendula Roth leaves which have no stomata on their adaxial surface. A two-component absorption model was assumed to approximate experimental data. The first component, having second order kinetics, decreased exponentially during ozonation, the second or residual component remained constant. The residual ozone conductance of the leaf cuticle was about an order of magnitude higher than the leaf cuticular conductance to water vapour. It is concluded that leaf surface absorption must be taken into consideration during short term experiments and in those with low ozone concentrations.
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Kull, O., Moldau, H. Absorption of ozone onBetula pendula Roth leaf surface. Water Air Soil Pollut 75, 79–86 (1994). https://doi.org/10.1007/BF01100400
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DOI: https://doi.org/10.1007/BF01100400