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Pakistan Journal of Biological Sciences
Year: 2004  |  Volume: 7  |  Issue: 6  |  Page No.: 1085 - 1093

Atriplex halimus (Chenopodiaceae): A Halophytic Species for Restoration and Rehabilitation of Saline Degraded Lands

A. Abbad, A. El Hadrami, I. El Hadrami and A. Benchaabane    

Abstract: The product of biomass and the accumulation of the inorganic ions of seven Moroccan provenances of Atriplex halimus, treated with different concentrations of NaCl (0, 1, 2, 3 and 3.5%) was carried out. The study has shown a highly significant effect of provenance, salinity and their interaction (provenance x salinity). The production of the most significant biomass was recorded at 1 and 2% NaCl concentrations. High NaCl concentrations (3 and 3.5%) induce a reduction of the biomass. Among all the studied provenances, those Sidi Bouzid and Marrakech have shown the highest values of the biomass. As for the inorganic ions, the increase of salinity have generate an accumulation of Na+ and Cl- with a reduction of K+. This accumulation of the inorganic ions under salt stress was variable between provenances. This variability appears in relation with the polymorphism, which characterize the species. On the seven studied Moroccan provenances, those of Sidi Bouzid and Marrakech have shown a particular eco-physiological behaviour with a significant biomass production under salt stress.

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