Salt stress tolerance in acidic and sweet mandarins

Ben Yahmed Jihane, Ben Mimoun Mehdi, Talon Manuel, Ollitrault Patrick, Morillon Raphaël. 2015. Salt stress tolerance in acidic and sweet mandarins. In : Proceedings of the XIIth International Citrus Congress: International Society of Citriculture. Navarro Luis (ed.), Sabater-Muñoz Beatriz (ed.), Moreno Pedro (ed.), Peña Leandro (ed.). ISHS. Leuven : ISHS, pp. 1317-1323. (Acta Horticulturae, 1065) ISBN 978-94-62610-53-8 International Citrus Congress: Citrus and Health. 12, Valence, Espagne, 18 November 2012/23 November 2012.

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Abstract : Mandarin genotypes can be split in two main groups: the acidic and the sweet mandarins. Commonly, acidic are used as rootstocks when sweet mandarins are the varieties that are consumed as fruits. The acidic 'Cleopatra' mandarin (Citrus reshni Hort. ex Tan.) is considered to be the most salt stress tolerant rootstock since it is able to limit the absorption of chloride and sodium at root level. As a consequence, limited amount of toxic ions are translocated from root to leaves. If salt stress tolerance of 'Cleopatra' mandarin and its hybrids has been well documented, little data exist for sweet mandarins. We investigated 16 genotypes representing a large diversity in mandarins subjected to salt stress. Physiological parameters such as stomatal conductance and leaf chloride contents were analyzed. If most of the acidic varieties were tolerant, also some sweet varieties presented traits of tolerance. Taking into account the results of leaf ion contents, we observed that large leaf chloride contents were not always associated with sensitivity. (Résumé d'auteur)

Classification Agris : F30 - Plant genetics and breeding
F60 - Plant physiology and biochemistry
H50 - Miscellaneous plant disorders

Auteurs et affiliations

  • Ben Yahmed Jihane, CIRAD-BIOS-UMR AGAP (ESP)
  • Ben Mimoun Mehdi, INAT (TUN)
  • Talon Manuel, IVIA (ESP)
  • Ollitrault Patrick, CIRAD-BIOS-UMR AGAP (ESP) ORCID: 0000-0002-9456-5517
  • Morillon Raphaël, CIRAD-BIOS-UMR AGAP (ESP)

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