alexa Influence of the Rootstock/Scion Combination on the Gra
ISSN: 2329-9029

Journal of Plant Biochemistry & Physiology
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Research Article

Influence of the Rootstock/Scion Combination on the Grapevines Behavior under Salt Stress

Hanana M1*, Hamrouni L2, Hamed KB3 and Abdelly C3
1Laboratoire de Physiologie Moléculaire des Plantes, Centre de Biotechnologie de Borj-Cédria, Hammam-lif, Tunisia
2Laboratoire d’Ecologie Forestière, Institut National de Recherches en Génie Rural, Eaux et Forêts, Ariana, Tunisia
3Laboratoire des Plantes Extrêmophiles, Centre de Biotechnologie de Borj-Cédria, Hammam-lif, Tunisia
Corresponding Author : Hanana Mohsen
Assistant Professor
Laboratoire de Physiologie Moléculaire des Plantes
Centre de Biotechnologie de Borj-Cédria, BP 901
Hammam-lif 2050, Tunisia
Tel: 0021624758466
E-mail: [email protected]
Received August 18, 2015; Accepted August 27, 2015; Published September 03, 2015
Citation: Hanana M, Hamrouni L, Hamed KB, Abdelly C (2015) Influence of the Rootstock/Scion Combination on the Grapevine’s Behavior under Salt Stress. J Plant Biochem Physiol 3:154. doi:10.4172/2329-9029.1000154
Copyright: © 2015 Hanana M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

In order to better understand and elucidate the influence of rootstock/scion interactions under salinity constraint, three grafting combinations have been used: Superior Seedless/110R, Muscat d’Italie/SO4 and Syrah/1103 Paulsen. Superior Seedless/110R combination behaves and displays the same results as ungrafted Superior Seedless variety under both control and stress conditions. On the other hand, since the sensitive rootstock SO4 could improve the behavior of Muscat d’Italie variety against salinity, it highlights the beneficial effect of this combination even the two genotypes are not really tolerant. This gain of performance at both vigor and salinity tolerance levels would result from hybrid vigor. Likewise, even the rootstock 1103P is moderately sensitive, it reaches to improve the behavior of Syrah which is a very sensitive variety. Comparative analysis of the different combinations showed that rootstocks do not behave the same in cases they are used individually or in combination with scion. Indeed, the more or less sensitive rootstocks SO4 and 1103P (taken individually) behave better at the salinity tolerance level since combined with their respective scions. Moreover, varieties tested individually display a different pattern when used with a rootstock. Generally, they behave better (Muscat d’Italie and Syrah cases) or at least stay unchanged (Superior Seedless case) against salinity when they are grafted. The displayed behaviors among the different combinations reveal the existence of interactions between genotypes of rootstock and scion, and that not only rootstock dictates the global phenotype. These interactions enhance and improve generally the phenotype of the grafting combination. With a sensitive rootstock (whatever scion is, tolerant or sensitive), we always obtain a gain of performance which is more pronunciated with sensitive rootstocks.

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