WebLa fermeture des stomates entraîne une réduction de la conductance stomatique et de la photosyn-thèse qui s’accompagne d’une augmentation de la température foliaire. Selon Leigneron et al. (1995) et Bell (1999), les fortes concentrations de sels dans le sol réduisent les flux transpiratoire et photosynthétique. WebLes halophytes (du grec halos, sel, et phyton, plante, terme introduit en 1809 par Peter Simon Pallas) 1, sont des plantes adaptées aux milieux salés ou par extension aux milieux à pression osmotique importante. Elles font partie des organismes halophiles (qui aiment les milieux salés). L'une des halophytes les plus connues est la salicorne ...
Stoma - Wikipedia
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Halophyte — Wikipédia
WebThe main function of stomata is to allow a plant to exchange gases with the surrounding atmosphere. In particular, stomatal openings allow the uptake of carbon dioxide, a key ingredient in photosynthesis. They also allow for the plant to release the oxygen gas that is a byproduct of photosynthesis. Webof carbon dioxide into the leaf for photosynthesis and oxygen and water vapour out of the leaf, is greatest when the stomata are open during the day. WebWhen the temperature is high and humidity is normal, more stomates will open, letting in carbon dioxide for active photosynthesis. If the air is excessively dry and the plant is wilting, the stomatal openings close, thereby reducing photosynthetic activity and … shop maid