Photosynthesis in Eurasian Watermilfoil (Myriophyllum spicatum L.) |
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| Authors: | Stanley R A Naylor A W |
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| Institution: | Department of Botany, Duke University, Durham, North Carolina 27706. |
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| Abstract: | Gas exchange of Eurasian watermilfoil (Myriophyllum spicatum L.) indicated a near-zero CO2 compensation point and a high temperature optimum for photosynthesis. These properties are characteristic of plants fixing CO2 by a β-carboxylation mechanism. Operation of the Calvin cycle was shown and no evidence for β-carboxylation was obtained. These results indicate that near-zero CO2 compensation points are not dependent on a β-carboxylation mechanism. |
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