Physiology of StomataMcGraw-Hill, 1968 - 178 pagina's |
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Pagina 94
... water deficit . Stålfelt also found an optimal deficit , when opening in light met little or no resistance from the epidermis , and a supraoptimal deficit which led to partial or complete stomatal closure . log R 2.5r 1.0 steady state ...
... water deficit . Stålfelt also found an optimal deficit , when opening in light met little or no resistance from the epidermis , and a supraoptimal deficit which led to partial or complete stomatal closure . log R 2.5r 1.0 steady state ...
Pagina 95
... water deficit . Plants in pots were allowed to go without water , and the stomata showed the increased CO2 sensitivity some hours before there was visible wilting of the leaves . As the water deficit increased , the stomata became more ...
... water deficit . Plants in pots were allowed to go without water , and the stomata showed the increased CO2 sensitivity some hours before there was visible wilting of the leaves . As the water deficit increased , the stomata became more ...
Pagina 99
... water deficit at which rate of photosynthesis is higher than if the tissue is water saturated . Water deficits greater than the optimum lead to a reduction in photosynthetic rate ( e.g. , Brilliant ) . ( 12 ) 2. Photosynthesis is greatest ...
... water deficit at which rate of photosynthesis is higher than if the tissue is water saturated . Water deficits greater than the optimum lead to a reduction in photosynthetic rate ( e.g. , Brilliant ) . ( 12 ) 2. Photosynthesis is greatest ...
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