Physiology of StomataMcGraw-Hill, 1968 - 178 pagina's |
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Pagina 29
... illuminated in this position . Depending on leaf thickness and surface features , it is possible to obtain a clear view with illumination either from below or from above . ( 42 ) An alternative procedure has been developed by Stålfelt ...
... illuminated in this position . Depending on leaf thickness and surface features , it is possible to obtain a clear view with illumination either from below or from above . ( 42 ) An alternative procedure has been developed by Stålfelt ...
Pagina 70
... illumination . Illumination of 20,000 lux from zero time , the preceding dark period being eight hours in length . ( After Mansfield and Heath ( 77 ) ) most plants , stomata tend to open during the day and close at night , although they ...
... illumination . Illumination of 20,000 lux from zero time , the preceding dark period being eight hours in length . ( After Mansfield and Heath ( 77 ) ) most plants , stomata tend to open during the day and close at night , although they ...
Pagina 78
... illuminated , it cannot remove all the CO2 from the atmosphere surrounding it . 8 6 4 2 400 500 600 700 wavelength ( nm ) Fig . 4.7 Effect of wavelength of illumination on stomatal opening in Senecio odoris . Intensity of irradiation ...
... illuminated , it cannot remove all the CO2 from the atmosphere surrounding it . 8 6 4 2 400 500 600 700 wavelength ( nm ) Fig . 4.7 Effect of wavelength of illumination on stomatal opening in Senecio odoris . Intensity of irradiation ...
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