Physiology of StomataMcGraw-Hill, 1968 - 178 pagina's |
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Pagina 4
... stomata may be non- functioning under ordinary conditions of illumination , carbon dioxide concentration , water supply , and humidity . The number of stomata in the lower epidermis of leaves often exceeds the number in the upper ...
... stomata may be non- functioning under ordinary conditions of illumination , carbon dioxide concentration , water supply , and humidity . The number of stomata in the lower epidermis of leaves often exceeds the number in the upper ...
Pagina 6
... number of stomata per unit area to the number of epidermal cells per unit area ; this index tends to remain fairly constant for any one plant . Stomatal Index 1 number of stomata per unit area number of stomata + number of epidermal ...
... number of stomata per unit area to the number of epidermal cells per unit area ; this index tends to remain fairly constant for any one plant . Stomatal Index 1 number of stomata per unit area number of stomata + number of epidermal ...
Pagina 33
... stomata enclosed in the porometer cup , and by the mesophyll tissue involved . From Table 1.1 it can be seen that the number of stomata in 0.2 cm2 of a leaf may be anything between 700 and 7,000 , so that porometer results are ...
... stomata enclosed in the porometer cup , and by the mesophyll tissue involved . From Table 1.1 it can be seen that the number of stomata in 0.2 cm2 of a leaf may be anything between 700 and 7,000 , so that porometer results are ...
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