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Chemical Control of Garlic Leaf Blight Through Unmanned Aerial Vehicle Based Application
Sung-Won Park1, Wooman An1, Sungyu Choi1
1Department of Integrative Food, Bioscience and Biotechnology, Chonnam National University, Gwangju 61186, Korea.
The Plant Pathology Journal
|June 9, 2026
Summary
This study optimized fungicide application for garlic leaf blight using unmanned aerial vehicles (UAVs). Metconazole and ipflufenoquin showed high efficacy, with UAV application improving control by 45.54%.
Area of Science:
- Agricultural Science
- Plant Pathology
- Pest Management
Background:
- Fungicides are crucial for managing fungal plant pathogens.
- Unmanned aerial vehicle (UAV) systems enhance fungicide application efficiency.
- Further improvements in UAV-based disease control are needed.
Purpose of the Study:
- Evaluate in vitro sensitivity of Stemphylium spp. to fungicides.
- Select optimal fungicides and concentrations for garlic leaf blight control.
- Assess efficacy of mobile spraying equipment (MSE) and UAV application.
Main Methods:
- In vitro sensitivity testing of Stemphylium spp.
- Pot assays with MSE and field trials with UAV application.
- Concentration-response experiments and surface coverage analysis.
Main Results:
- Stemphylium spp. exhibited variable sensitivity to tested fungicides.
- Metconazole and ipflufenoquin demonstrated high efficacy in pot and field assays.
- UAV application with metconazole achieved 45.54% higher control efficacy.
Conclusions:
- Metconazole and ipflufenoquin are effective against garlic leaf blight pathogens.
- UAV-mediated application significantly enhances disease control efficacy.
- This research supports the development of advanced UAV fungicide systems.
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