Effects of Salinity on Some Physiological Characteristics of Lepidium sativum L.
Publish place: Journal of Plant Physiology and Breeding، Vol: 7، Issue: 2
Publish Year: 1396
نوع سند: مقاله ژورنالی
زبان: English
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JR_BREDNG-7-2_003
تاریخ نمایه سازی: 24 بهمن 1401
Abstract:
Salinity is one of the major environmental stresses, which has deleterious effect on growth, development and yield of crops. Due to the gradual increase in soil and water salinity in the East Azarbaijan province of Iran, the garden cress cultivation in this region has always been associated with many problems. In order to evaluate the tolerance of this plant to different levels of salinity through some physiological characteristics, the present experiment was conducted using randomized complete block design with five treatments consisting of ۰, ۵۰, ۱۰۰, ۱۵۰ and ۲۰۰ mM NaCl concentrations and three replications. The results showed that with enhancement in salinity levels, sodium, proline, soluble sugars and carotenoids content increased but potassium content, potassium to sodium ratio and amounts of chlorophyll a and b declined. Salinity had no significant effect on chlorophyll a+b content, chlorophyll a/b ratio and relative water content. Plants were destroyed at ۲۰۰ mM concentration after ۲۱ days. Since potassium to sodium ratio was lower than ۱ at ۱۰۰ and ۱۵۰ mM concentrations, continuing of salinity would has presumably led to the destruction of plants in these treatments.
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Authors
Ali Geranpayeh
Department of Agronomy, Azarbaijan Shahid Madani University, Tabriz, Iran
Kambiz Azizpour
Department of Agronomy, Azarbaijan Shahid Madani University, Tabriz, Iran
Lamia Vojodi Mehrabani
۱Department of Agronomy, Azarbaijan Shahid Madani University, Tabriz, Iran
Rana Valizadeh Kamran
Department of Biotechnology, Faculty of Agriculture, Azarbaijan Shahid Madani University
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