Volume 15, Issue 71 (vol. 15, no. 71 2026)
2026, 15(71): 67-88 |
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Sanjari S, Mozafari H, Keramat B, Nadernejad N. Physiological comparison of the separate or interaction effects of thiamine and epibrassinolide on modulating or intensifying some oxidative stress indices in oilseed rape, cultivar Hyola 401, under cadmium stress. Plant Process and Function 2026; 15 (71) : 4
URL: http://jispp.iut.ac.ir/article-1-2234-en.html
URL: http://jispp.iut.ac.ir/article-1-2234-en.html
1- Department of Biology, Shahid Bahonar University of Kerman, Kerman, Iran
2- Department of Ecology, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran ,Mozafari.hossein@gmail.com
2- Department of Ecology, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran ,
Abstract: (20 Views)
Cadmium stress induces oxidative stress in plants such as rapeseed. The use of plant growth regulators (PGR) or vitamins (such as thiamine) can help increase resistance to cadmium stresses. In this study, an attempt was made to study the comparative and reciprocal effects of thiamine and 24-epibrassinolide (EBL) on improving growth parameters and antioxidant resistance of rapeseed cultivar Hyola 401 under toxic levels of 250 and 500 micromolar cadmium chloride in the form of 27 treatment codes in a greenhouse environment. The overall results showed that the separate application of thiamine or 24-epibrassinolide had a significant effect compared to other separate elicitors used in most of the measured parameters and improved the antioxidant resistance of the plant under cadmium stress according to the measured indicatorsm, and even reduced the accumulation of cadmium in the shoot. The results obtained from measuring various growth, biochemical, enzymatic and elemental parameters showed that the separate application of thiamine and 24-epibrassinolide improved the growth and antioxidant resistance of plants under toxic treatment, especially 250 micromolar cadmium and it was able to alleviate the toxic effects of cadmium stress on rapeseed. For example, the level of membrane peroxidation (MDA and aldehydes) was well reduced by approximately 50% under 250 micromolar cadmium treatment. Although in some parameters such as magnesium nutrition, the combined treatment of thiamine and 24-epibrassinolide had a better effect, in some other parameters such as water content and leaf area, the application of treatments improved plant growth under cadmium stress.
Article number: 4
Keywords: Catalase enzyme, Lipid peroxidation, Magnesium nutrition, Growth regulators, Antioxidant resistance
Type of Study: Research |
Subject:
Toxic ions stress
Received: 2025/07/17 | Accepted: 2025/10/29 | Published: 2026/05/2
Received: 2025/07/17 | Accepted: 2025/10/29 | Published: 2026/05/2
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