Articles
Assessment of minimum leaf conductance and photosynthetic gas exchange as a mean to determine drought tolerance in olive
Article number
1446_23
Pages
171 – 176
Language
English
Abstract
Understanding the physiological responses of crops to drought is a fundamental step in implementing breeding and varietal selection programs to effectively respond to climate change.
Under water stress conditions the stomata close to minimize water loss, with the cuticle layer becoming the dominant pathway for water vapour diffusion.
In this study, leaves from 30 olive cultivars have been characterized in terms of minimum leaf conductance (gmin). To validate the employed methodology, leaf photosynthetic gas exchange parameters were also measured at the point of maximum stomatal closure.
The observed statistically significant differences suggest different levels of tolerance to water stress among the studied olive varieties.
Under water stress conditions the stomata close to minimize water loss, with the cuticle layer becoming the dominant pathway for water vapour diffusion.
In this study, leaves from 30 olive cultivars have been characterized in terms of minimum leaf conductance (gmin). To validate the employed methodology, leaf photosynthetic gas exchange parameters were also measured at the point of maximum stomatal closure.
The observed statistically significant differences suggest different levels of tolerance to water stress among the studied olive varieties.
Publication
Authors
L. Lombardo, S. Rizzo, A. Ienco, F.P. Marra, E.M. Lodolini, R. Nicoletti, V. Vizzarri, A. Salimonti, M. Rizzo, E. Santilli, C. Benincasa, A.G. Ripoli, M. Pellegrino, F. Zaffina, G. Godino, G. Cruceli, E. Perri, C. Trapero, S. Zelasco
Keywords
water stress, Olea europaea L., varietal screening
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