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Iranian Journal of Chemistry and Chemical Engineering، جلد ۴۲، شماره ۱۱، صفحات ۳۸۲۴-۳۸۳۴
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عنوان انگلیسی Physiological and Biochemical Responses of Quinoa (Chenopodium Quinoa Willd) Varieties to Salinity Stress
چکیده انگلیسی مقاله Quinoa (Chenopodium quinoa Willd) is recently introduced to Iran as a salt‐tolerant crop of high nutritional value. To investigate the physiological and biochemical responses of three quinoa varieties (‘NSRCQE’, ‘NSRCQB’, and ‘Titicaca’) were compared at ≤ 2 as control, 10, 17 dS/m saline water in an experimental farm of Yazd Province, Iran in 2017-2018. This experiment was conducted as a split plot based on a randomized complete block design with three replications, whereas the salinity treatment was in the main plots and the varieties in the subplots. Salinity and varieties significantly affected DPPH radical scavenging activity, phenol, anthocyanin, flavonoid, and Malondialdehyde (MDA) contents, accumulation of Na+ and K+, and Na+/K+ ratio, as well as seed protein and saponin contents. Salinity was caused by increasing DPPH radical scavenging activity, phenol, anthocyanin, flavonoid, and MDA contents, and accumulation of Na+ in the leaves and seeds. ‘NSRCQB’ had the highest average of most measured traits under all salinity levels. The DPPH radical scavenging activity in leaves was significantly and positively correlated with phenol content, anthocyanin content, flavonoid content, MDA, Na+ accumulation in the leaves, and DPPH activity, protein content, and Na+ accumulation in the seeds. Results indicated that the salinity stress increased the amount of paracomaric, quercetin acid, and camphor acids in the leaves and seeds of quinoa; also, the highest amount of these compounds was found by ‘NSRCQB’, also, ‘NSRCQE’ had the lowest average of most of these compounds. Based on these findings, we conclude that the salt tolerance of quinoa grown on salt‐affected soils of Yazd, Iran was linked with better crop stand establishment, low Na+ accumulation in leaves as well as increased activities of enzymatic and non‐enzymatic antioxidants, also, ‘NSRCQB’ variety showed the best potential under salinity conditions.
کلیدواژه‌های انگلیسی مقاله DPPH radical scavenging activity,flavonoid content,Na+/K+ ratio,phenol content,salt‐tolerant crop,seed protein
نویسندگان مقاله Tahmineh Esfandyari Sabzevar |
Department of Horticultural Sciences, Faculty of Agronomy, Shirvan Branch, Islamic Azad University, Shirvan, I.R. IRAN

Maryam Tatari |
Department of Horticultural Sciences, Faculty of Agronomy, Shirvan Branch, Islamic Azad University, Shirvan, I.R. IRAN

Susan Khosroyar |
Department of Chemical Engineering, Quchan Branch, Islamic Azad University, Quchan, I.R. IRAN

Fereshteh Gharat |
Department of Medical Sciences, School of Medicine, Sabzevar University, Sabzevar, I.R. IRAN

Masoumeh Salehi |
National Salinity Research Center, Agricultural Research, Education and Extension Organization (AREEO), Yazd, I.R. IRAN

نشانی اینترنتی https://ijcce.ac.ir/article_705019_8fd32487662545910e68d56cc8767b3f.pdf
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