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Pagina 55
Allowance for the effect of wind on the length of the external diffusion path must
be made in any attempt to estimate transpiration rates (see p. 60). 3.2 Details of
the diffusion path between leaves and the atmosphere Wherever a difference in ...
Allowance for the effect of wind on the length of the external diffusion path must
be made in any attempt to estimate transpiration rates (see p. 60). 3.2 Details of
the diffusion path between leaves and the atmosphere Wherever a difference in ...
Pagina 56
Diffusion in the liquid phase is slower than in the gas phase by a factor of about
10,000, so that for carbon dioxide intake these diffusion paths in the liquid phase
must be taken into account (see p. 64). However, it is possible that in the ...
Diffusion in the liquid phase is slower than in the gas phase by a factor of about
10,000, so that for carbon dioxide intake these diffusion paths in the liquid phase
must be taken into account (see p. 64). However, it is possible that in the ...
Pagina 59
As the area of the leaf has to be calculated from its diameter, it is convenient once
more to substitute nD2/4 for A in the term for the external diffusion path, thus
obtaining: J- [ DA L ttD = (' + ")] (8) common term transforming effective lengths
into ...
As the area of the leaf has to be calculated from its diameter, it is convenient once
more to substitute nD2/4 for A in the term for the external diffusion path, thus
obtaining: J- [ DA L ttD = (' + ")] (8) common term transforming effective lengths
into ...
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Inhoudsopgave
Chapter Morphology and Physiology of Stomatal Cells | 1 |
The Measurement of Stomatal Aperture | 26 |
The Theory of Diffusion Through Stomata | 49 |
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Veelvoorkomende woorden en zinsdelen
acid air space system blue light C02 concentration C02-compensation point C02-free air carbon dioxide cent changes in stomatal chlorophyll chloroplasts clamp cobalt chloride paper darkness density diameter diffusion path diffusive flow effective length elliptical energy epidermal cells epidermal strips evidence glycollate graminaceous guard cells guard-cell Heath hydrogen hydrolysis illumination leaf leaf discs leaves light intensity mannitol manometer measured Meidner mesophyll metabolic night opening normal number of stomata observations occur onion opening and closing oxygen permeability photophosphorylation photosynthesis plants plasmolysed porometer porometer cup pressure rate of diffusion rate of photosynthesis reaction reduced resistance to diffusion solution starch starch content stoma mother cell stomatal aperture stomatal apparatus stomatal behaviour stomatal control stomatal mechanism stomatal movements stomatal opening stomatal pores stomatal resistance stomatal tube subsidiary cells tissue turgor uptake ventral walls Vicia faba viscous flow porometer washers water deficit water vapour Wheatstone bridge Xanthium pennsylvanicum