Differential effects of severe water stress on linear and cyclic electron fluxes through Photosystem I in spinach leaf discs in Co2-enriched air
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Jia, Husen; Oguchi, Riichi; Hope, Alexander B; Barber, James; Chow, Wah S (Fred)
Description
Linear and cyclic electron fluxes through Photosystem I in 1% CO 2 were quantified in spinach leaf tissue under severe water stress. Using actinic light with a peak at 697 nm for preferential light absorption by Photosystem I while also stimulating Photosystem II to improve redox poising, the cyclic electron flux after 60 s of illumination was a substantial proportion (33-44%) of the total electron flux through PSI at irradiances up to ~1,070 μmol photons m-2 s-1. At the maximum irradiance, the...[Show more]
Collections | ANU Research Publications |
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Date published: | 2008 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/60106 |
Source: | Planta |
DOI: | 10.1007/s00425-008-0783-4 |
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