biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 36:423, 1994 | DOI: 10.1007/BF02920943

Seasonal variations in water relations of roses (Rosa hybrida cv. Sonia)

L. Urban1, R. Brun1, P. Pyrrha1
1 Unité de Recherche Intégrée en Horticulture, Institut National de la Recherche Agronomique, Biot, France

Parameters of water relations were measured throughout the season in phenologically identical leaves of rose plants grown in a heated greenhouse. The increase in osmotic potential observed from spring to early autumn seems to result from the decrease in the non-osmotic water fraction, and, conversely, its decrease from early autumn to winter seems to be due to an increase in the non-osmotic water fraction. These observations support the hypothesis that the non-osmotic water fraction may be correlated to starch concentration in rose leaves.

Received: November 30, 1993; Accepted: December 9, 1993; Published: September 1, 1994  Show citation

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Urban, L., Brun, R., & Pyrrha, P. (1994). Seasonal variations in water relations of roses (Rosa hybrida cv. Sonia). Biologia plantarum, 36(3), 423. doi: 10.1007/BF02920943
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