Use of Physio-biochemical Traits to Evaluate the Salt Tolerance of Five Opuntia species in the Algerian Steppes. | [Pakistan Journal of Botany • 2017]

Author(s):

1. BAHIA LALLOUCHE: Department of Agricultural Sciences, Faculty of Science, Mohamed Boudiaf University,M'sila,Algeria: Department of Agricultural Sciences. Faculty of Nature and Life Sciences. Saad Dahlab University,Blida,Algeria

2. AMMAR BOUTEKRABT: Department of Agricultural Sciences. Faculty of Nature and Life Sciences. Saad Dahlab University,Blida,Algeria

3. BOUBAKR HADJKOUIDER: Department of Agricultural Sciences, Faculty of Science, Mohamed Boudiaf University,M'sila,Algeria

4. LEILA RIAHI: Laboratory of Biotechnology and Bio-Geo Resources Valorization (LR11ES31), Higher Institute for Biotechnology - University of Manouba, Biotechpole of Sidi Thabet,2020, Sidi Thabet, Ariana,Tunisia

5. SALIM LAMINE: Institute of Biological, Environmental and Rural Sciences, Aberystwyth University, Ceredigion SY23 3FG: Laboratory of Management and Valuation of Natural Resources and Quality Assurance, University of Bouira, Bouira 10000, Algeria

6. NÉJIA ZOGHLAMI: Laboratory of Plant Molecular Physiology, Biotechnology Centre of Borj-Cédria,Hammam-lif,Tunisia

Abstract:

In this study, twelve physio-biochemical parameters were estimated to assess the behavior of five Opuntia species in the Algerian steppes (Opuntia ficus indica f. inermis, O. amyclea, O. streptacantha, O. robusta and O. engelmanii).Herein, the salt stress was induced using three levels of NaCl (200 mM, 400 mM and 600 mM). Based on the analysis of variance (ANOVA), the chlorophyll level for both young cladode and aged cladode was found to be the most discriminant parameter under salt stress concentrations 200 and 400 mM. The species were clustered in three groups with O. ficus indica f. inermis and O. amyclea being the most tolerant to salinity. For a salt concentration of 600 mM, the ANOVA showed that the chlorophyll content in aged cladode was the most discriminant parameter. The Biplot-based species analysis revealed that O. engelmanii was the most salt tolerant species. However, O. amyclea and O. robusta were found to be the most sensitive. In conclusion, total chlorophyll contents for young cladode and aged cladode, chlorophyll a of aged cladode, and root total soluble sugars can be used as key parameters to identify the salt tolerance for Opuntia species.

Page(s): 837-845

DOI: DOI not available

Published: Journal: Pakistan Journal of Botany, Volume: 49, Issue: 3, Year: 2017

Keywords:

Salt tolerance , Opuntia species , Physiobiochemical traits , Algerian steppes

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