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Eco-friendly thifluzamide/SiO2 oil-in-water Pickering emulsion with high adhesion on leaf for improving fungicidal
Chen Qin1, Shujing Li1, Bo Zhang2
1Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, China.
Background:
Thifluzamide (THI) is a globally significant thiazole amide fungicide, particularly effective against Rhizoctonia solani. Because of its limited efficacy at traditional dosages, we constructed an eco-friendly oil-in-water (O/W) Pickering emulsion utilizing silanized SiO2 nanoparticles (THI/SiO2 Pickering emulsion).
Results:
The THI/SiO2 Pickering emulsion exhibited excellent dispersion, with an average droplet size of ~170 nm. In comparison with a commercial suspension concentrate (SC) of THI, the THI/SiO2 Pickering emulsion demonstrated better interface properties and improved anti-droplet bounce performance. A fungicidal assay revealed that THI/SiO2 Pickering emulsion was more effective than commercial SC in controlling R. solani.
Conclusion:
These findings show that the THI/SiO2 Pickering emulsion possessed superior interfacial properties and fungicidal activity, indicating potential application in the management of R. solani. © 2025 Society of Chemical Industry.
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