Two types of carbon fixation in tropical orchids
- 1 January 1975
- journal article
- Published by Springer Nature in Planta
- Vol. 123 (3) , 303-306
- https://doi.org/10.1007/bf00390710
Abstract
The isotopic composition of the carbon (δ13C values) of leaf tissue from 10 species and hybrids of orchids grown in Singapore fell into two groups, one having a mean value of-15.4‰, the other-26.6‰. The least negative of these values was associated with thick-leaved plants (0.2–0.4 mm). This is consistent with the view that some orchids are CAM plants and others possess a C3 type of carbon fixation.Keywords
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