Physiology of StomataMcGraw-Hill, 1968 - 178 pagina's |
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Pagina 50
... diffusion coefficient . A generally valid equation for the rate of diffusion of a gas is expressed by Fick's Law , which states that the rate of diffusion of a gas is directly propor- tional to the cross - sectional area of the path and ...
... diffusion coefficient . A generally valid equation for the rate of diffusion of a gas is expressed by Fick's Law , which states that the rate of diffusion of a gas is directly propor- tional to the cross - sectional area of the path and ...
Pagina 63
... diffusion of carbon dioxide from the atmosphere into the air space system of the leaf , and then in the dissolved ... rate of diffusion of carbon dioxide into the leaf is largely con- trolled by it . Gaastra ( 25 ) estimated the external ...
... diffusion of carbon dioxide from the atmosphere into the air space system of the leaf , and then in the dissolved ... rate of diffusion of carbon dioxide into the leaf is largely con- trolled by it . Gaastra ( 25 ) estimated the external ...
Pagina 65
... diffusion of CO2 amounted to 0.028 s cm - 3 and that of the liquid phase resistance 0.1 s cm - 3 ; hence partial stomatal control of the rate of carbon dioxide intake could be expected . At low light intensities ( < 40 J m − 2 s − 1 ) ...
... diffusion of CO2 amounted to 0.028 s cm - 3 and that of the liquid phase resistance 0.1 s cm - 3 ; hence partial stomatal control of the rate of carbon dioxide intake could be expected . At low light intensities ( < 40 J m − 2 s − 1 ) ...
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