Physiology of StomataMcGraw-Hill, 1968 - 178 pagina's |
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Pagina 6
... elliptical shape . The most commonly occurring stomata are elliptical in shape and differentiate from a protodermal cell by division into two guard cells which soon assume their typical shape— like a bean in surface view . By separating ...
... elliptical shape . The most commonly occurring stomata are elliptical in shape and differentiate from a protodermal cell by division into two guard cells which soon assume their typical shape— like a bean in surface view . By separating ...
Pagina 11
... elliptical stoma shown as a perspective diagram , ( b ) transverse section through an elliptical stoma and the sub - stomatal cavity , ( c ) longitudinal section through one guard cell and the sub - stomatal cavity of an elliptical ...
... elliptical stoma shown as a perspective diagram , ( b ) transverse section through an elliptical stoma and the sub - stomatal cavity , ( c ) longitudinal section through one guard cell and the sub - stomatal cavity of an elliptical ...
Pagina 46
... elliptical - shaped stoma . Although the relationship does not hold at very small ( see p . 12 ) and at very large openings , it is a reasonable approximation to state that , for graminaceous stomata , diffusive conductance has a cube ...
... elliptical - shaped stoma . Although the relationship does not hold at very small ( see p . 12 ) and at very large openings , it is a reasonable approximation to state that , for graminaceous stomata , diffusive conductance has a cube ...
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 active aperture appears blue light brought carbon dioxide cause cent changes chapter closed CO2 concentration considerable continuous course darkness deficits density dependent determine diameter diffusion effect energy epidermal cells epidermal strips evidence example experiments external factors flow greater guard cells Heath higher illumination important increase indicates known lead leaf leaves length less light intensity loss lower measured mechanism minutes movements nature night normal observations obtained occur path period phase photosynthesis plants pore porometer possible pressure prevented probably produced reaction reduced remains resistance response rhythm sensitive showed shown solution space starch stomatal aperture stomatal behaviour stomatal closure stomatal movements stomatal opening studies subsidiary cells suggested supply surface Table temperature term transpiration tube turgor unit vapour walls wide