Articles | Volume 13, issue 19
https://doi.org/10.5194/bg-13-5499-2016
https://doi.org/10.5194/bg-13-5499-2016
Research article
 | 
05 Oct 2016
Research article |  | 05 Oct 2016

Feedbacks between earlywood anatomy and non-structural carbohydrates affect spring phenology and wood production in ring-porous oaks

Gonzalo Pérez-de-Lis, Ignacio García-González, Vicente Rozas, and José Miguel Olano

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Cited articles

Améglio, T., Ewers, F. W., Cochard, H., Martignac, M., Vandame, M., Bodet, C., and Cruiziat, P.: Winter stem xylem pressure in walnut trees: effects of carbohydrates, cooling and freezing, Tree Physiol., 21, 387–394, 2001.
Améglio, T., Decourteix, M., Alves, G., Valentin, V., Sakr, S., Julien, J.-L., Petel, G., Guilliot, A., and Lacointe, A.: Temperature effects on xylem sap osmolarity in walnut trees: evidence for a vitalistic model of winter embolism repair, Tree Physiol., 24, 785–793, 2004.
Basler, D. and Körner, C.: Photoperiod and temperature responses of bud swelling and bud burst in four temperate forest tree species, Tree Physiol., 34, 377–388, 2014.
Bolker, B. M., Brooks, M. E., Clark, C. J., Geange, S. W., Poulsen, J. R., Stevens M. H. H., and White J.-S. S.: Generalized linear mixed models: a practical guide for ecology and evolution, Trends Ecol. Evol., 24, 127–135, 2009.
Bonhomme, M., Peuch, M., Améglio, T., Rageau, R., Guilliot, A., Decourteix, M., Alves, G., Sakr, S., and Lacointe, A.: Carbohydrate uptake from xylem vessels and its distribution among stem tissues and buds in walnut (Juglans regia L.), Tree Physiol., 30, 89–102, 2010.
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We evaluated relations between sapwood carbohydrate content and wood formation in Quercus robur and the more drought-tolerant Q. pyrenaica along a water-availability gradient in the NW Iberian Peninsula. Winter carbohydrate levels and wood production decreased under more humid conditions for both species. Our results also suggest that sugar levels in sapwood modulate earlywood production in Q. pyrenaica, which showed a more conservative carbon use strategy than Q. robur.
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