Pons, T L; Flexas, J; von Caemmerer, Susanne; Evans, John; Genty, Bernard; Ribas-Carbo, Miguel; Brugnoli, Enrico
The three most commonly used methods for estimating mesophyll conductance (gm) are described. They are based on gas exchange measurements either (i) by themselves; (ii) in combination with chlorophyll fluorescence quenching analysis; or (iii) in combination with discrimination against 13CO2. To obtain reliable estimates of gm, the highest possible accuracy of gas exchange is required, particularly when using small leaf chambers. While there may be problems in achieving a high accuracy with leaf...[Show more]
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