Bulgarian Journal of Agricultural Science
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Evaluation nanoparticles of metals and metal oxides for antifungal effect on Verticillium dahliae
Katya Vasilevaorcid, Zhana Ivanova, Veneta Stoeva
Abstract: The soil-borne fungus Verticillium dahliae is the causal agent of wilting disease and affects a wide range of plant species worldwide. Soil borne pathogens are significant contributors to plant yield loss globally. The constraints in early diagnosis, wide host range, longer persistence in soil makes their management cumbersome and difficult. The aim of this study is to evaluate the nanoparticles that have demonstrated activity in suppressing mycelia growth of Verticillium dahliae. The limiting effect on mycelial growth at a dose of 0.5 mg/l of the tested products against Verticillium dahliae was reported for Zinc with a particle size of 60-70 nm and 790 nm. A good effect for both isolates was reported with Zinc 18 nm, Mg micro powder 35 µm and Mg oxide 18 nm. The average tested nanoparticle concentration of 1.5 mg/l, the best limiting effect was observed for Zinc with a particle size of 60-70 nm during the entire reporting period. The high concentration (2.5 mg/l) of the products showed a high inhibitory effect on both tested isolates of the pathogen. A very good limiting effect is reported for almost all materials in the (3 - 12-day) reporting period.
Keywords: in vitro; nanoparticles; test; Verticillium dahliae
Citation: Vasileva, K., Ivanova, Zh. & Stoeva, V. (2025). Evaluation nanoparticles of metals and metal oxides for antifungal effect on Verticillium dahliae. Bulg. J. Agric. Sci., 31(3), 475–481.
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Date published: 2025-06-24
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