Physiology of StomataMcGraw-Hill, 1968 - 178 pagina's |
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Pagina 45
... water vapour loss from the leaf can be measured by means of additional gas analysers . The apparatus is a valuable , but complex , research porometer ; the relation of viscous flow to diffusive flow found by the differential ...
... water vapour loss from the leaf can be measured by means of additional gas analysers . The apparatus is a valuable , but complex , research porometer ; the relation of viscous flow to diffusive flow found by the differential ...
Pagina 49
... water vapour loss from a leaf in still air is not very different from the rate of evaporation from an open water surface of the same size as the leaf , although the combined pore area of the open stomata amounts to only 0.5 to 2.0 per ...
... water vapour loss from a leaf in still air is not very different from the rate of evaporation from an open water surface of the same size as the leaf , although the combined pore area of the open stomata amounts to only 0.5 to 2.0 per ...
Pagina 63
... water vapour pressure of the air space system significantly below that at saturation is not known , although some evidence has been obtained to show that a steep gradient of water potential can develop across cell walls so that the water ...
... water vapour pressure of the air space system significantly below that at saturation is not known , although some evidence has been obtained to show that a steep gradient of water potential can develop across cell walls so that the water ...
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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acid air space system antitranspirants blue light carbon dioxide cause stomatal closure cent changes in stomatal chlorophyll chloroplasts cm² CO₂ CO2 concentration CO2-compensation point CO2-free air cobalt chloride paper darkness degree of opening density diameter diffusion path diffusive flow effective length endogenous rhythms energy epidermal cells epidermal strips evidence experiments glucose-1-phosphate glycollate guard cells Heath hydrolysis illumination leaf light intensity liquid phase mannitol manometer Mansfield mbar measured mesophyll metabolic Mouravieff night opening normal observations occur onion opening and closing osmotic oxidative phosphorylation oxygen photophosphorylation photosynthesis plants plasmolysed porometer pressure rate of diffusion rate of photosynthesis reaction reduced resistance to diffusion shown solution Stålfelt's starch content stomatal aperture stomatal behaviour stomatal control stomatal mechanism stomatal movements stomatal opening stomatal pores stomatal resistance stomatal tube subsidiary cells temperature increase tissue turgor uptake Vicia faba water deficit water vapour Xanthium pennsylvanicum Zelitch