Articles

La respiration et la photosynthèse de frênes qui poussent dans des conditions différentes

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Abstract

Respiration and photosynthesis of ashes, grown up under  different circumstances - Some physiological  characteristics have been researched on ashes of different ages and height  and grown up under different Iight circumstances :     - the respiration pro unit of leaf surface and pro unit of weight.     - the photosynthesis pro unit of leaf surface and pro unit of weight.     - the apparent photosynthesis    - the relation photosynthesis-respiration    - the relation photosynthesis-chlorophyll content.     Besides the influence of the light characteristics of the leaves, the  research proves also the influence of age, height and provenance on the  amount of photosynthesis and respiration.    The respiration and photosynthesis pro unit of leaf surface is higher with  sun leaves as with shade leaves.     With ashes, grown up at the same level of light intensity, not only the  relation photosynthesis-respiration, but also the apparent photosynthesis is  higher with shade leaves as with sun leaves.

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How to Cite: Lust, N. (1973) “La respiration et la photosynthèse de frênes qui poussent dans des conditions différentes”, Silva Gandavensis. 36(0). doi: https://doi.org/10.21825/sg.v36i0.985