Volume 15, Issue 71 (vol. 15, no. 71 2026)
2026, 15(71): 151-168 |
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Jahantigh O. The effect of different treatments of silica, nanosilica, and essential elements on improving germination and growth of wheat seedlings under salt stress. Plant Process and Function 2026; 15 (71) : 9
URL: http://jispp.iut.ac.ir/article-1-2243-en.html
URL: http://jispp.iut.ac.ir/article-1-2243-en.html
Plant Biology Department, Faculty of Science, Behbahan Khatam Alanbia University of Technology, Khuzestan, Iran , jahantigh@bkatu.ac.ir
Abstract: (54 Views)
Wheat is a strategic crop worldwide. According to the daily increasing of salinity stress in agricultural lands, the application of safe, environmentally friendly methods and nanotechnology in cropping science is critical, so in the present study the effect of silicon, nanosilicon and essential elements treatments was investigated on amelioration of the harmful effects of salinity stress on wheat. In the present study, the effect of distilled water (control), silica (100 ppm), nanosilica (500 ppm) and essential elements (100 ppm) treatments on wheat seeds under salinity stress accompanied by 0 (distilled water) and 100 mM sodium chloride was investigated in petri dishe in a randomized block design. The results showed that salinity stress reduced wheat seed germination through reducing alpha-amylase activity, increasing starch content and no changes in the amount of soluble sugars available to seed embryo. Silicon, nanosilicon and essential elements treatments increased alpha-amylase activity, hydrolysis of starch to soluble sugars and consequently increased seed germination. Salinity stress reduced seedling growth, while different treatments improved the growth of salinity-stressed seedlings. Salinity stress damaged photosynthetic pigments, reduced carbohydrates production, reduced proteins and induced membrane lipids peroxidation through increasing H2O2 production and reduction of catalase activity. Silicon, nanosilicon and essential elements treatments reduced H2O2 accumulation through increasing the non-enzymatic antioxidants (phenols, anthocyanins, flavonoids, carotenoids and proline) and enzymatic antioxidants (catalase), and total antioxidant capacity (FRAP), followed by an increase in chlorophylls a and b, water soluble carbohydrates, proteins, and reduced membrane lipid peroxidation in salinity-stressed wheat seeds. According to the reduction of H2O2 and inhibition of membrane lipid peroxidation, and an increase in germination and growth, it can be concluded that the treatments reduced the adverse effects of stress on wheat and improved the physiological mechanisms in the plant, while nanosilicon was the most effective treatment.
Article number: 9
Type of Study: Research |
Subject:
Salt Stress
Received: 2025/07/24 | Accepted: 2025/10/29 | Published: 2026/05/2
Received: 2025/07/24 | Accepted: 2025/10/29 | Published: 2026/05/2
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