Physiology of StomataMcGraw-Hill, 1968 - 178 pagina's |
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Pagina 12
... occur , but they are difficult to measure and we have , therefore , not quoted any figures for such changes . During ... occur when the guard - cell volume changes without appreciable changes in the length and width . The spicules shown ...
... occur , but they are difficult to measure and we have , therefore , not quoted any figures for such changes . During ... occur when the guard - cell volume changes without appreciable changes in the length and width . The spicules shown ...
Pagina 19
... occur changes in the pH value of the vacuolar sap ( see Table 1.4 ) ; all the available evidence shows a rise in pH from about 5.0 to 6.5 as the stomata open . In addition to phosphorylase , adenosinetriphosphatase and peroxidase occur ...
... occur changes in the pH value of the vacuolar sap ( see Table 1.4 ) ; all the available evidence shows a rise in pH from about 5.0 to 6.5 as the stomata open . In addition to phosphorylase , adenosinetriphosphatase and peroxidase occur ...
Pagina 125
... occurred in darkness in anaerobic conditions , although their general finding was that lack of oxygen accelerated closure . Their ' exceptional ' result , however , confirmed that the phenomenon could occur in the manner described by ...
... occurred in darkness in anaerobic conditions , although their general finding was that lack of oxygen accelerated closure . Their ' exceptional ' result , however , confirmed that the phenomenon could occur in the manner described by ...
Inhoudsopgave
MORPHOLOGY AND PHYSIOLOGY OF STOMAtal Cells | 1 |
THE MEASUREMENT OF STOMATAL APERTURE | 26 |
THE THEORY OF DIFFUSION THROUGH STOMATA | 49 |
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active aperture appears blue light brought carbon dioxide carried cause cent changes chapter chloroplasts CO2 concentration considerable darkness deficits density dependent determine diameter diffusion effect energy epidermal cells epidermal strips evidence example experiments external factors greater guard cells Heath higher illumination important increase indicates known lead leaf leaves length less light intensity lower measured mechanism mesophyll MICHIGAN minutes movements nature night normal observations obtained occur path period phase photosynthesis placed plants pore porometer possible present pressure probably produced reaction reduced relations remains resistance response rhythm shown shows solution space starch stomatal aperture stomatal behaviour stomatal closure stomatal movements stomatal opening studies subsidiary cells suggested supply surface Table temperature transpiration tube turgor unit usually viscous flow walls water vapour wide