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Journal of Agricultural Science and Technology، جلد ۱۴، شماره ۱، صفحات ۲۰۵-۲۱۲
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عنوان انگلیسی Copper Effects on Growth, Lipid Peroxidation, and Total ‎Phenolic Content of Rosemary Leaves under Salinity Stress
چکیده انگلیسی مقاله Plant growth is often limited by low levels of soil micronutrients such as copper (Cu), ‎especially in calcareous salt-affected soils of arid and semiarid regions. The aim of this ‎work was to investigate individual and combined effects of salinity and Cu on growth, leaf ‎relative water content (LRWC), cell membrane permeability, lipid peroxidation, and total ‎phenolic content (TPC) of rosemary (Rosmarinus officinalis L.) in a hydroponic ‎experiment. A factorial arranged experiment with three salinity levels (i.e., 0, 50, and 100 ‎mM NaCl), and three levels of copper (i.e., 0, 0.5, and 1.0 µM Cu2+, as CuSO4) was ‎performed. The salt stress led to a significant decrease in leaf relative water content ‎especially at 0 µM Cu2+. Salt treatments (50 and 100 mM) were found to increase ‎electrolyte leakage and malonyldialdehyde content of rosemary; however, this increase ‎was greater at 0 µM than 1.0 µM Cu2+. Regardless of Cu treatments, salinity (50 and 100 ‎mM) induced significant increases in TPC by 13 and 29%, respectively. The application of ‎‎1.0 M Cu at the 50 mM NaCl treatments increased total phenolic content by 19% ‎compared to 0M Cu. Copper nutrition resulted in greater accumulation of phenolic ‎compounds in plant roots and thereby decreasing lipid peroxidation under salt stress ‎conditions.‎
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نویسندگان مقاله m حجازی مهریزی | hejazi mehrizi
department of soil science, college of agriculture, shahid bahonar university of kerman, kerman, ‎islamic republic of iran. ‎
سازمان اصلی تایید شده: دانشگاه شهید باهنر (Shahid bahonar university)

h شریعتمداری |
department of soil science, college of agriculture, isfahan university of technology, 84154, isfahan, ‎islamic republic of iran.‎
سازمان اصلی تایید شده: دانشگاه صنعتی اصفهان (Isfahan university of technology)

امیرحسین خوشگفتارمنش | a h
department of soil science, college of agriculture, isfahan university of technology, 84154, isfahan, ‎islamic republic of iran.‎
سازمان اصلی تایید شده: دانشگاه صنعتی اصفهان (Isfahan university of technology)

f دهقانی |
department of soil science, yazd agricultural and natural resources research center, yazd, islamic ‎republic of iran.‎

نشانی اینترنتی http://jast.modares.ac.ir/article_4801_b51fe9bbdc09c8197bd783d80603381e.pdf
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