Effects of CO2 on growth and photosynthesis of Pyrrosia piloselloides (L.) Price gametophytes |
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| Authors: | Bee-Lian Ong C.K-K. Koh Yeow-Chin Wee |
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| Affiliation: | (1) Department of Botany, National University of Singapore, Lower Kent Ridge Road, Singapore, 0511, Republic of Singapore |
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| Abstract: | The effects of CO2 concentration on spore germination, growth, and net photosynthetic rate (PN) of gametophytes of a tropical epiphytic fern, Pyrrosia piloselloides, were investigated over a 100-d period. Increasing CO2 concentration stimulated spore germination and enhanced gametophytic growth. The appearance of sexual organs and formation of sporophytes were accelerated with higher CO2 during growth. Radiant energy saturated PN and dark respiration rate also increased with increasing CO2 concentrations during growth. |
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| Keywords: | chlorophyll dry mass fern respiration spore germination sporophyte |
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