Volume 15, Issue 72 (vol. 15, no. 72 2026)
2026, 15(72): 21-44 |
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Nazari Z, Sedghi M, Seyed Sharifi R. Effect of priming using some growth regulators on germination indices and biochemical traits of triticale (x Triticosecale) seeds under aging. Plant Process and Function 2026; 15 (72) : 2
URL: http://jispp.iut.ac.ir/article-1-2190-en.html
URL: http://jispp.iut.ac.ir/article-1-2190-en.html
1- Department of Production Engineering and Plant Genetics, Faculty of Agriculture, University of Mohaghegh Ardabili, Ardabil, Iran
2- Department of Production Engineering and Plant Genetics, Faculty of Agriculture, University of Mohaghegh Ardabili, Ardabil, Iran ,m_sedghi@uma.ac.ir
2- Department of Production Engineering and Plant Genetics, Faculty of Agriculture, University of Mohaghegh Ardabili, Ardabil, Iran ,
Abstract: (30 Views)
This study was conducted in 2023 to investigate the effect of priming with some growth regulators on the germination indices and biochemical traits of triticale seeds under accelerated aging. The experiment was arranged as a factorial based on a completely randomized design with three replicates. It was carried out at the Seed Science and Technology Laboratory, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili. The treatments included three levels of aging (95%, 85%, and 75%) and six types of priming (control, hydro-priming, priming with cytokinins, priming with spermidine, priming with salicylic acid, and priming with auxin). Seeds were also primed by soaking for 24 hours at 25 °C in distilled water and hormone solutions (the hormones were used at a concentration of 1 mM for 24 hours, based on preliminary trial results). In the preliminary trial, concentrations of 0.25, 0.5, 1, 1.5, and 2 mM were tested. The results indicated that aging reduced the germination percentage; however, the types of priming, particularly priming with auxin, mitigated the effects of aging and improved this trait. With increasing aging, the amount of seed reserves utilized, utilization efficiency of reserves, total phenol content, flavonoids, total fatty acids, and anthocyanins decreased, while free sugars, glucose, electrical conductivity, and ion leakage increased. Seed reserve utilization, flavonoid content, and anthocyanin levels in the auxin priming treatment increased by approximately 22%, 13.7%, and 73.6%, respectively, compared to the control. Ion leakage and soluble sugar content in auxin priming at 75% aging decreased by 51% and 84%, respectively, compared to the control. The results of this study indicate that seed priming, especially with auxin, can enhance aged triticale seeds and improve germination; thus, this approach may serve as an effective strategy to enhance the viability of aged seeds.
Article number: 2
Type of Study: Research |
Subject:
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Received: 2025/03/9 | Accepted: 2025/10/14 | Published: 2026/06/2
Received: 2025/03/9 | Accepted: 2025/10/14 | Published: 2026/06/2
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