Physiology of StomataMcGraw-Hill, 1968 - 178 pagina's |
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Pagina 60
... stomatal resistance is very small compared with the external resistance , and stomatal control of the rate of vapour loss must be limited to smaller openings when the stomatal resistance becomes comparable in magnitude to the external ...
... stomatal resistance is very small compared with the external resistance , and stomatal control of the rate of vapour loss must be limited to smaller openings when the stomatal resistance becomes comparable in magnitude to the external ...
Pagina 63
... resistance to be about 2 s cm - 1 when the wind speed was about 230 m h - 1 ; the stomatal resistance was estimated to be about 3 s cm - 1 , but the liquid phase resistance was 2-10 s cm - 1 . When carbon dioxide is limiting the rate of ...
... resistance to be about 2 s cm - 1 when the wind speed was about 230 m h - 1 ; the stomatal resistance was estimated to be about 3 s cm - 1 , but the liquid phase resistance was 2-10 s cm - 1 . When carbon dioxide is limiting the rate of ...
Pagina 65
... stomata occupied only about one per cent of the leaf area ; in this condition the stomatal resistance to the 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 ...
... stomata occupied only about one per cent of the leaf area ; in this condition the stomatal resistance to the 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 ...
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