The effect of salinity on some physiological and biochemical characteristics of alfalfa

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Dianat Maharluei Zohreh; POUSTINI KAZEM

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Iranian Journal of Field Crop Science Year:2018 | Volume:49 | Issue:1 Page(s): 1-10

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Title

The effect of salinity on some physiological and biochemical characteristics of alfalfa

Author(s)

Dianat Maharluei Zohreh | POUSTINI KAZEM | Issue Writer Certificate

Keywords

AlfalfaQ3

SalinityQ2

K/Na ratioQ1

Photosynthetic pigmentsQ1

Abstract

To evaluate the effects of different concentrations of Salinity (control and 12 dS m-1) on morphological and physiological aspects of 10 Alfalfa cultivars, an experiment was conducted using a randomized complete block design with factorial treatments in three replications. The results showed that Salinity stress significantly reduced dry matter, K+/Na+ ratio and shoot and root K+ concentrations. The sodium concentration of the plants increased with Salinity stress, and the salt tolerant cultivars showed lesser sodium transfer into their tissues resulting in a higher shoot and root K+/Na+ ratio compared to susceptible cultivars. K+ concentration in shoot as well as shoot K+/Na+ ratio had significant positive correlations with shoot dry matter of 0. 762** and 0. 835** respectively. On the other hand there was a significant negative correlation between shoot dry matter and shoot Na+ concentration (-0. 831), showed the highest significant correlation with shoot dry matter. Therefore, it seems that among the traits studied, the Na+ concentration in the shoot may be considered as an appropriate indicator for selection of salt tolerant Alfalfa cultivars. The observed negative correlation between sodium concentration and the chlorophyll content (-0. 551) indicate that the plant metabolism has been adversely affected by Salinity stress.

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APA: Copy

Dianat Maharluei, Zohreh, & POUSTINI, KAZEM. (2018). The effect of salinity on some physiological and biochemical characteristics of alfalfa. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 49(1 ), 1-10. SID. https://sid.ir/paper/153604/en

Vancouver: Copy

Dianat Maharluei Zohreh, POUSTINI KAZEM. The effect of salinity on some physiological and biochemical characteristics of alfalfa. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2018;49(1 ):1-10. Available from: https://sid.ir/paper/153604/en

IEEE: Copy

Zohreh Dianat Maharluei, and KAZEM POUSTINI, “The effect of salinity on some physiological and biochemical characteristics of alfalfa,” IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 49, no. 1 , pp. 1–10, 2018, [Online]. Available: https://sid.ir/paper/153604/en

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