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Application of Salicylic Acid and Ascorbic Acid on the Vegetative and Physiological Characteristics of Pistacia vera cv. Badami-riz-Zarand under Water Deficit | ||
| International Journal of Horticultural Science and Technology | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 09 مهر 1404 اصل مقاله (478.17 K) | ||
| نوع مقاله: Research paper | ||
| شناسه دیجیتال (DOI): 10.22059/ijhst.2025.379390.883 | ||
| نویسندگان | ||
| Bahman Panahi* 1؛ Elham Ebrahimpour2؛ Alireza Talaei3؛ Iraj Tavassolian4 | ||
| 1Pistachio Research Center, Horticultural Science Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Rafsanjan, Iran | ||
| 2Department of Horticultural Sciences, Islamic Azad University, Science and Research Branch, Tehran, Iran | ||
| 3College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran | ||
| 4Department of Horticultural Sciences, Shirvan Faculty of Agriculture, University of Bojnord, Bojnord, Iran | ||
| چکیده | ||
| This study examined the effects of foliar application of plant growth regulators—salicylic acid (SA) and ascorbic acid (AA)—on the growth and qualitative traits of Pistacia vera cv. Badami-riz-Zarand under drought stress. The experiment was conducted over two consecutive years in a greenhouse at the Research and Education Center for Agriculture and Natural Resources in Kerman Province, Iran. Using a factorial design within a randomized complete block framework, the experiment included four replications. Drought stress was evaluated at three levels (100%, 60%, and 30% field capacity [FC]), with SA and AA applied at three concentrations (0, 0.5, and 1.0 mM). Results indicated that SA and AA applications significantly influenced plant traits under stress conditions (P < 0.05). Under severe drought stress (30% FC), applying 1.0 mM of SA and AA resulted in increases of 15%, 14%, and 6% in relative water content, total chlorophyll, and biomass, respectively, as well as 51%, 49%, and 11% in guaiacol peroxidase, polyphenol peroxidase, and phenylalanine ammonia-lyase activities, respectively. Simultaneously, reductions of 36%, 4%, and 4% were observed in catalase activity, electrolyte leakage, and soluble sugars, respectively. Under severe drought conditions, SA demonstrated a greater ability than AA to maintain yield and quality characteristics of the plant. Overall, the application of 0.5 to 1.0 mM SA was effective in mitigating the adverse effects of severe drought stress, helping to preserve plant performance. Abbreviation: Salicylic acid (SA), Ascorbic acid (AA), Field capacity (FC), Drought stress (DS), Glycine betaine (GB), Proline (Pro), Protein (Prt), Guaiacol peroxidase (GP), Superoxide dismutase (SOD), Catalase (CAT), Polyphenol peroxidase (POD), Soluble sugars (SSs), Phenylalanine ammonylase (Phe), Electrolyte leakage (EL) | ||
| کلیدواژه‌ها | ||
| Enzyme activities؛ Drought stress؛ Morphological and Physiological characteristics؛ Plant growth regulators | ||
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آمار تعداد مشاهده مقاله: 37 تعداد دریافت فایل اصل مقاله: 54 |
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