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    • ISSN: 2010-0221 (Print)
    • Abbreviated Title: Int. J. Chem. Eng. Appl.
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    • DOI: 10.18178/IJCEA
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Editor-in-chief
Prof. Dr. Shen-Ming Chen
National Taipei University of Technology, Taiwan
 

IJCEA 2024 Vol.15(1): 16-20
doi: 10.18178/ijcea.2024.15.1.809

Magnesium Oxide Nanoparticles: A Dual-action Solution for Combating Fusarium Oxysporum and Enhancing Plant Growth

Jia Le Wee1,*, Yen San Chan2, and Ming Chiat Law3
1. Department of Chemical and Energy Engineering, Faculty of Engineering and Science, Curtin University Malaysia, Sarawak, Malaysia
2. Department of Mechanical Engineering, Faculty of Engineering and Science, Curtin University Malaysia, Sarawak, Malaysia
Email: weejiale@postgrad.curtin.edu.my (J.L.W.); chanyensan@curtin.edu.my (Y.S.C.); m.c.law@curtin.edu.my (M.C.L.)
*Corresponding author

Manuscript received November 29, 2023; revised January 15, 2024; accepted March 23, 2024; published May 11, 2024

Abstract—nano-Magnesium Oxide nanoparticles (n-MgO) have garnered significant attention in recent decades, particularly in the agricultural sector, due to their exceptional properties, such as antifungal potency and the ability to promote plant growth. In this study, the ultrasound-mediated sol-gel method was employed to synthesize n-MgO. Various physicochemical characterization techniques, including Ultraviolet-visible spectrometry, Fourier-transform infrared spectroscopy, and X-ray diffraction, were used to confirm the formation of n-MgO. Additionally, the study assessed the antifungal activity of n-MgO against the plant pathogenic fungus Fusarium oxysporum (F. oxysporum). The disc diffusion method was used to determine the effectiveness of n-MgO in inhibiting the growth of F. oxysporum. Subsequently, the Minimum Inhibitory Concentration (MIC) required to suppress the growth of F. oxysporum was determined through a broth microdilution study.  Furthermore, a field study was conducted to evaluate the plant growth promotion capabilities of n-MgO. The results indicated an inhibition zone of 8.74 ± 0.16 mm, with an MIC of 2.5 mg/mL, suggesting that n-MgO effectively inhibit the growth of F. oxysporum. Moreover, the application of n-MgO in the field study resulted in a 5.78% increase in the height of maize plants. Consequently, it can be concluded that n-MgO holds significant potential as an effective agrochemical product with dual functions as a fungicide and a plant growth promoter.

Keywords—agrochemical, antifungal activity, Fusarium oxysporum, magnesium oxide, nanoparticles, plant growth promotion

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Cite: Jia Le Wee, Yen San Chan, and Ming Chiat Law, "Magnesium Oxide Nanoparticles: A Dual-action Solution for Combating Fusarium Oxysporum and Enhancing Plant Growth," International Journal of Chemical Engineering and Applications vol. 15, no. 1, pp. 16-20, 2024.

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