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Title: | EFFET D'UN STRESS SALIN SUR LA RÉPONSE MINÉRALE D’Atriplex canescens (PURSH) NUTT |
Authors: | KACI S BISSATI S DJERROUDI O |
Keywords: | Halophyte Atriplex canescens Mineral nutrition Salt stress |
Issue Date: | Dec-2012 |
Series/Report no.: | volume 2 numéro 2 2012; |
Abstract: | Atriplex plants are an important forage reserves and their importance in the rehabilitation of degraded areas and saline soils (agricultural and ecological interest) its resistance to drought, salinity and sunlight [1,2]. In order to explore the mechanism of salinity tolerance of the plant, proposed by this study to identify the behavior of some cations following a salt stress applied during a week with salt combined NaCl + CaCl2 (400 and 600 meq), was studied in seedlings of Atriplex canescens (Pursh) Nutt. The nutritional aspect has been identified as a probable indication of tolerance to salt stress. The obtained results indicate that salinity has caused some changes in concentrations of cations. Na+ accumulates more in roots than in leaves and stems with increasing salt concentration treatment. The effect of salt treatment is a very highly significant accumulation of sodium in the three organs. The leaves of treated plants are enriched in K+ with increasing salt concentration with a very highly significant accumulation of potassium in the stem and root is not significant compared with controls. Regarding the Ca++ in the leaves, it increases significantly with increasing concentration of salt in the salt treatment, at the stem and root, calcium accumulates with low levels, the treatment effect is not significant. |
Description: | Revue des bioressources |
URI: | http://dspace.univ-ouargla.dz/jspui/handle/123456789/6695 |
ISSN: | 2170-1806 |
Appears in Collections: | volume 02 numéro 2 2012 |
Files in This Item:
File | Description | Size | Format | |
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B020205.pdf | 317,38 kB | Adobe PDF | View/Open |
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