Rapid response of leaf photosynthesis in two fern species Pteridium aquilinum and Thelypteris dentata to changes in CO measured by tunable diode laser absorption spectroscopy
Journal of Plant Research, ISSN: 0918-9440, Vol: 128, Issue: 5, Page: 777-789
2015
- 11Citations
- 35Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations11
- Citation Indexes11
- 11
- CrossRef3
- Captures35
- Readers35
- 35
Article Description
We investigated stomatal conductance (g) and mesophyll conductance (g) in response to atmospheric CO concentration [CO] in two primitive land plants, the fern species Pteridium aquilinum and Thelypteris dentata, using the concurrent measurement of leaf gas exchange and carbon isotope discrimination. [CO] was initially decreased from 400 to 200 μmol mol, and then increased from 200 to 700 μmol mol, and finally decreased from 700 to 400 μmol mol. Analysis by tunable diode laser absorption spectroscopy (TDLAS) revealed a rapid and continuous response in g within a few minutes. In most cases, both ferns showed rapid and significant responses of g to changes in [CO]. The largest changes (quote % decrease) were obtained when [CO] was decreased from 400 to 200 μmol mol. This is in contrast to angiosperms where an increase in g is commonly observed at low [CO]. Similarly, fern species observed little or no response of g to changes in [CO] whereas, a concomitant decline of g and g with [CO] is often reported in angiosperms. Together, these results suggest that regulation of g to [CO] may differ between angiosperms and ferns.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84940578272&origin=inward; http://dx.doi.org/10.1007/s10265-015-0736-5; http://www.ncbi.nlm.nih.gov/pubmed/26038271; http://link.springer.com/10.1007/s10265-015-0736-5; https://dx.doi.org/10.1007/s10265-015-0736-5; https://link.springer.com/article/10.1007/s10265-015-0736-5
Springer Nature
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