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Pagina 63
<130> 3.4 Stomatal control of photosynthesis The diffusion of carbon dioxide
from the atmosphere into the air space system of the leaf, and then in the
dissolved state through the cell membranes and aqueous medium to the
chloroplasts, ...
<130> 3.4 Stomatal control of photosynthesis The diffusion of carbon dioxide
from the atmosphere into the air space system of the leaf, and then in the
dissolved state through the cell membranes and aqueous medium to the
chloroplasts, ...
Pagina 65
in the equation, we obtain a rate of carbon dioxide intake of 19 mg dm-2 h_1
which compares well with typical rates measured experimentally; for instance,
Gaastra quotes a rate of 20 mg dm-2 h_1 for a sugar beet leaf at a light intensity ...
in the equation, we obtain a rate of carbon dioxide intake of 19 mg dm-2 h_1
which compares well with typical rates measured experimentally; for instance,
Gaastra quotes a rate of 20 mg dm-2 h_1 for a sugar beet leaf at a light intensity ...
Pagina 67
piration, the enrichment of the air by an additional carbon dioxide supply would
seem to offer the simplest approach. Thus, Moss et a/.<91> reported a reduction
in transpiration of 23 per cent following an increase in the carbon dioxide ...
piration, the enrichment of the air by an additional carbon dioxide supply would
seem to offer the simplest approach. Thus, Moss et a/.<91> reported a reduction
in transpiration of 23 per cent following an increase in the carbon dioxide ...
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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