Physiology of StomataMcGraw-Hill, 1968 - 178 pagina's |
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Pagina 65
... light intensity between 10 and 20 J m − 2 s − 1 . It may be noted that in our example the combined pore area of ... light intensities ( < 40 J m − 2 s − 1 ) and at an external density of carbon dioxide of 6 × 10-4 mg cm - 3 ( 0.03 ...
... light intensity between 10 and 20 J m − 2 s − 1 . It may be noted that in our example the combined pore area of ... light intensities ( < 40 J m − 2 s − 1 ) and at an external density of carbon dioxide of 6 × 10-4 mg cm - 3 ( 0.03 ...
Pagina 71
... intensity light . The most reliable work is probably that on cereals , whose stomata are unusual in that they do not normally show night opening ( 70 ) ( see p . 109 ) , yet the stomata of wheat opened distinctly in light of 900 lux ...
... intensity light . The most reliable work is probably that on cereals , whose stomata are unusual in that they do not normally show night opening ( 70 ) ( see p . 109 ) , yet the stomata of wheat opened distinctly in light of 900 lux ...
Pagina 81
... light and the removal of carbon dioxide are capable of opening stomata , and their effects are to some extent ... intensity of 1.29 J m − 2 s − 1 produced a readily measurable opening , although the leaves were not able , at this low ...
... light and the removal of carbon dioxide are capable of opening stomata , and their effects are to some extent ... intensity of 1.29 J m − 2 s − 1 produced a readily measurable opening , although the leaves were not able , at this low ...
Inhoudsopgave
MORPHOLOGY AND PHYSIOLOGY OF STOMATAL CELLS | 1 |
THE THEORY OF DIFFUSION THROUGH STOMATA | 49 |
STOMATAL RESPONSES TO ENVIRONMENTAL FACTORS | 69 |
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acid 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 intercellular space leaf light intensity liquid phase maize mannitol manometer Mansfield mbar measured mesophyll metabolic 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 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 walls water deficit water vapour Xanthium pennsylvanicum Zelitch