Volume 13, Issue 63 (vol. 13, no. 63 2024)
2024, 13(63): 265-284 |
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Sarberahneh M, Jamei R. Investigating some biochemical parameters of Basil plant (Ocium basilicum) under salinity stress in the presence of silver nanoparticles. Plant Process and Function 2024; 13 (63) : 16
URL: http://jispp.iut.ac.ir/article-1-2081-en.html
URL: http://jispp.iut.ac.ir/article-1-2081-en.html
1- Department of Biology, Faculty of Sciences, Urmia University, Urmia, Iran
2- Department of Biology, Faculty of Sciences, Urmia University, Urmia, Iran ,r.jamei@urmia.ac.ir
2- Department of Biology, Faculty of Sciences, Urmia University, Urmia, Iran ,
Abstract: (59 Views)
Salinity stress is one of the most important abiotic stresses in many areas of Iran, especially in the fields of medicinal plants, which has caused many problems. The basil plant is one of the important medicinal plants that is used in various industries due to its phenolic compounds. Climate change and rapid population growth seriously affect the world's agricultural food security. To deal with these threats, researchers must use new technologies. In this regard, so far, several nanoparticles, such as silver nanoparticles, have been used for seed germination, plant growth and tolerance to biological stresses in a number of agricultural plants. Based on this, the present study was conducted as a factorial in the form of a completely randomized design with two factors and three replications on basil seedlings. Experimental factors, including salinity at 0, 75, and 150 mM levels, were used as plant foot application and nanosilver at 0 and 75 ppm levels as foliar spraying. Some biochemical indicators, such as the content of total phenol, hydrogen peroxide and the activity of antioxidant enzymes such as superoxide dismutase (SOD), ascorbate peroxidase (AXP), catalase (CAT), guaiacol peroxidase (POX) and the enzyme phenylalanine ammonialyase (PAL), in the root and shoot, were evaluated. The obtained results showed that the simultaneous application of salt and nanosilver led to a significant increase in total phenol content in shoot and root (46.89% and 45.48% increase, respectively), increased PAL activity in shoot and root (respectively 32.51% and 41.56% increase), and also increased the activity of SOD antioxidant enzymes in shoot and root (58.97% and 43.11% increase, respectively), CAT (63.76% and 73.31%), and APX (74.18 and 31.79 percent). Also, the results showed a decrease in hydrogen peroxide content in the shoot and root compared to the control. In general, it seems that nanosilver has been able to increase the tolerance of basil plants to salt stress by reducing the content of hydrogen peroxide and increasing the activity of antioxidant enzymes and the content of phenol.
Article number: 16
Type of Study: Research |
Subject:
Salt Stress
Received: 2024/06/16 | Accepted: 2024/07/30 | Published: 2024/12/24
Received: 2024/06/16 | Accepted: 2024/07/30 | Published: 2024/12/24
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