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Stomatal conductance and photosynthesis
Under optimal conditions, the most outstanding genotype was ICS-1, both in plant height, number of leaves, and stomatal conductance, this being proof that this genotype develops excellently and stands out if it has the right conditions and water availability. Expand
Theoretical Considerations when Estimating the Mesophyll Conductance to CO(2) Flux by Analysis of the Response of Photosynthesis to CO(2).
It is concluded that both methods can be used to determine mesophyll conductance and each method has particular strengths and will prove useful in the future. Expand
Fitting photosynthetic carbon dioxide response curves for C(3) leaves.
- T. Sharkey, C. Bernacchi, G. Farquhar, E. Singsaas
- Biology, Medicine
- Plant, cell & environment
- 1 September 2007
Fitting this model is a way of exploring leaf level photosynthesis in terms of underlying biochemistry and biophysics is subject to assumptions that hold to a greater or lesser degree. Expand
Diffusive and metabolic limitations to photosynthesis under drought and salinity in C(3) plants.
Reviewing in vitro and in vivo measurements, it is concluded that salt and drought stress predominantly affect diffusion of CO(2) in the leaves through a decrease of stomatal and mesophyll conductances, but not the biochemical capacity to assimilateCO(2), at mild to rather severe stress levels. Expand
Carbon isotope discrimination measured concurrently with gas exchange to investigate CO2 diffusion in leaves of higher plants
Despite uncertainties about various processes affecting carbon isotope composition, the resistance to the transfer of CO2 from the intercellular airspaces to the sites of carboxylation in the mesophyll chloroplasts was estimated and is consistent with, and provides the first direct experimental support for, theoretical equations describing discrimination during photosynthesis. Expand
ISOPRENE EMISSION FROM PLANTS.
Researchers hypothesize that plants benefit from isoprene emission because it helps photosynthesis recover from short high-temperature episodes, and may have been important in allowing plants to survive the rapid temperature changes that can occur in air. Expand
Isoprene emission from plants: why and how.
The capacity for isoprene emission evolved many times in plants, probably as a mechanism for coping with heat flecks, and is an example of isoprenoids enhancing membrane function, although the mechanism is likely to be different from that of sterols. Expand
Estimation of Mesophyll Conductance to CO(2) Flux by Three Different Methods.
- F. Loreto, P. Harley, G. Di Marco, T. Sharkey
- Materials Science, Medicine
- Plant physiology
- 1 April 1992
The resistance to diffusion of CO(2) from the intercellular airspaces within the leaf through the mesophyll to the sites of carboxylation during photosynthesis was measured using three different techniques, indicating that a true physical parameter, independent of biochemical effects, was being measured. Expand
Photosynthesis in intact leaves of C3 plants: Physics, physiology and rate limitations
- T. Sharkey
- The Botanical Review
The physics and biochemistry of photosynthesis in intact C3 leaves, and the interface between physiology and photosynthesis—triose phosphate utilization—are discussed. Expand