Physiology of StomataMcGraw-Hill, 1968 - 178 pagina's |
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Pagina 33
... porometer cup , and traverse the mesophyll in a plane parallel to the epidermes between the washers of the porometer clamp and into the cup through the stomata . Resistance to viscous flow therefore includes that offered by the airspace ...
... porometer cup , and traverse the mesophyll in a plane parallel to the epidermes between the washers of the porometer clamp and into the cup through the stomata . Resistance to viscous flow therefore includes that offered by the airspace ...
Pagina 34
... cup descending- meniscus three - way stopcock bulb used to pull up column of water 30-30 cm Fig . 2.3 Diagram of a Darwin and Pertz porometer short time the stomata inside the porometer cup are exposed to a very low concentration of ...
... cup descending- meniscus three - way stopcock bulb used to pull up column of water 30-30 cm Fig . 2.3 Diagram of a Darwin and Pertz porometer short time the stomata inside the porometer cup are exposed to a very low concentration of ...
Pagina 36
... cup used to move lower chamber upwards till leaf disc held airtight between washers Fig . 2.5 A modified version of Raschke's porometer cup for leaf discs . ( 27,112 ) Diameter of external compartment 45 mm , diameter of upper and lower ...
... cup used to move lower chamber upwards till leaf disc held airtight between washers Fig . 2.5 A modified version of Raschke's porometer cup for leaf discs . ( 27,112 ) Diameter of external compartment 45 mm , diameter of upper and lower ...
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