Carbon dioxide exchange in leaves of Spartina anglica Hubbard
P G Mallott1, A J Davy1, R L Jefferies1
1School of Biological Sciences, University of East Anglia, Norwich.
Abstract:
The gas-exchange method has been used to measure net carbon dioxide assimilation at different temperatures and irradiances in leaves of salt-treated and untreated plants of Spartina anglica. The results together with those of the CO2 compensation point and leaf anatomical data clearly indicate that Spartina anglica is a high photosynthetic capacity plant. At high temperatures and irradiances leaves of the salt-treated plants were able to maintain net photosynthesis, in contrast to the behaviour of leaves of untreated plants.The ecological significance of these results is discussed.
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