Physiology of StomataMcGraw-Hill, 1968 - 178 pagina's |
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Pagina 28
... mannitol solution . Illumination 15,000 lux , measurements carried out on lower epidermis by silicone rubber impressions and scoring ( 27 ) . Encircled figures represent the percentage score of open stomata . WATER 0.12 M MANNITOL ...
... mannitol solution . Illumination 15,000 lux , measurements carried out on lower epidermis by silicone rubber impressions and scoring ( 27 ) . Encircled figures represent the percentage score of open stomata . WATER 0.12 M MANNITOL ...
Pagina 94
... mannitol . The carbon dioxide com- pensation point was normally about 80 ppm in a light intensity of 9000 lux at 25 ° C but increased to 94 ppm and 116 ppm due to 0.2 M and 0.4 M mannitol respectively . 0.4 м mannitol caused com- plete ...
... mannitol . The carbon dioxide com- pensation point was normally about 80 ppm in a light intensity of 9000 lux at 25 ° C but increased to 94 ppm and 116 ppm due to 0.2 M and 0.4 M mannitol respectively . 0.4 м mannitol caused com- plete ...
Pagina 98
... mannitol , or were allowed to dry out in air , and the CO2 - compensation points were determined before , during , and after these treatments ( Table 4.2 ) . Although there was a significant difference in the value for the compensation ...
... mannitol , or were allowed to dry out in air , and the CO2 - compensation points were determined before , during , and after these treatments ( Table 4.2 ) . Although there was a significant difference in the value for the compensation ...
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