Physiology of stomata |
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Pagina 68
0ne hypothesis of the stomatal mechanism (see pp. 135 to 138) postulates that
glycollate metabolism is essential for stomatal opening and that its inhibition
results in stomatal closure. However, the action of a-hydroxysulphonates in
causing ...
0ne hypothesis of the stomatal mechanism (see pp. 135 to 138) postulates that
glycollate metabolism is essential for stomatal opening and that its inhibition
results in stomatal closure. However, the action of a-hydroxysulphonates in
causing ...
Pagina 127
Many substances have been reported to cause stomatal closure, and sometimes
too much has been deduced about the stomatal mechanism from their effects. For
example, Zelitch,<173> following up the work discussed above, argued that if a ...
Many substances have been reported to cause stomatal closure, and sometimes
too much has been deduced about the stomatal mechanism from their effects. For
example, Zelitch,<173> following up the work discussed above, argued that if a ...
Pagina 145
increase in guard cell starch content. A change from sugar to starch leading to
stomatal closure thus might play a role in the protective mechanism against water
stress (p. 96). It is difficult to believe, in view of all the evidence, that starch ^
sugar ...
increase in guard cell starch content. A change from sugar to starch leading to
stomatal closure thus might play a role in the protective mechanism against water
stress (p. 96). It is difficult to believe, in view of all the evidence, that starch ^
sugar ...
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Inhoudsopgave
Chapter Morphology and Physiology of Stomatal Cells | 1 |
The Measurement of Stomatal Aperture | 26 |
The Theory of Diffusion Through Stomata | 49 |
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Veelvoorkomende woorden en zinsdelen
acid air space system blue light C02 concentration C02-compensation point C02-free air carbon dioxide cent changes in stomatal chlorophyll chloroplasts clamp cobalt chloride paper darkness density diameter diffusion path diffusive flow effective length elliptical energy epidermal cells epidermal strips evidence glycollate graminaceous guard cells guard-cell Heath hydrogen hydrolysis illumination leaf leaf discs leaves light intensity mannitol manometer measured Meidner mesophyll metabolic night opening normal number of stomata observations occur onion opening and closing oxygen permeability photophosphorylation photosynthesis plants plasmolysed porometer porometer cup pressure rate of diffusion rate of photosynthesis reaction reduced resistance to diffusion solution starch starch content stoma mother cell stomatal aperture stomatal apparatus stomatal behaviour stomatal control stomatal mechanism stomatal movements stomatal opening stomatal pores stomatal resistance stomatal tube subsidiary cells tissue turgor uptake ventral walls Vicia faba viscous flow porometer washers water deficit water vapour Wheatstone bridge Xanthium pennsylvanicum