Mahin  Izadi; S. Ali Moosawi  Jorf; Ghazal  Nowroozi; Mohammad  Sedghi; Tahereh  Naseriyeh; Shokofeh  Rahmani; Jafar  Fathi; Danial Kahrizi

doi:10.14715/cmb/2025.71.5.1

Issue

Vol. 71 No. 5: Issue 5

Issue Published : May 26, 2025

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Nano-encapsulated Ajwain essential oil elicits resistance against early blight in tomatoes (Solanum lycopersicum L.)

Tomato resistance to early blight by natural elicitors

https://doi.org/10.14715/cmb/2025.71.5.1

Mahin Izadi

Department of Plant Pathology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran

S. Ali Moosawi Jorf

Department of Plant Pathology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran

Ghazal Nowroozi

Nano drug delivery research center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran

Mohammad Sedghi

Departments of Agronomy and Plant Breeding, Faculty of Agriculture, University of Mohaghegh Ardabili, Ardabil

Tahereh Naseriyeh

Nowroozi

Shokofeh Rahmani

Nano drug delivery research center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran

Jafar Fathi

Department of Plant Pathology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran

Danial Kahrizi

Department of Biotechnology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran

Corresponding Author(s) : Danial Kahrizi

dkahrizi@modares.ac.ir

Cellular and Molecular Biology, Vol. 71 No. 5: Issue 5
Article Published : May 26, 2025

Abstract

Early blight, caused by Alternaria alternata, poses a significant threat to tomato production worldwide. This study investigates the potential of nano-encapsulated ajwain (Trachyspermum copticum) essential oil, delivered via chitosan nanoparticles, to induce systemic resistance in tomato plants against early blight. Oxidative stress, measured by malondialdehyde content, was significantly reduced in plants treated with nano-encapsulated Ajwain essential oil compared to controls. Furthermore, the activity of antioxidant enzymes (SOD, CAT, and POD) was significantly elevated in treated plants, indicating an enhanced defense response. The nano-encapsulated essential oil demonstrated superior efficacy in controlling early blight symptoms. These results suggest that chitosan nanoparticle-mediated delivery of ajwain essential oil is a promising, environmentally friendly strategy for enhancing tomato resistance to early blight.

Keywords

Nano-encapsulation Elicitor Chitosan Herbal extract Oxidative stress

Izadi, M. ., Jorf, S. A. M. ., Nowroozi, G. ., Sedghi, M. ., Naseriyeh, T. ., Rahmani, S. ., Fathi, J. ., & Kahrizi, D. (2025). Nano-encapsulated Ajwain essential oil elicits resistance against early blight in tomatoes (Solanum lycopersicum L.): Tomato resistance to early blight by natural elicitors. Cellular and Molecular Biology, 71(5), 1–5. https://doi.org/10.14715/cmb/2025.71.5.1