What does this research mean for the field?

Optimized UAV-based fungicide application improves canopy deposition, reduces external boll rot severity by 16-19%, and increases seed cotton yield by 5% compared to conventional spraying. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To assess how optimizing unmanned aerial vehicle (UAV) spraying parameters affects fungicide deposition within dense cotton canopies and controls external boll rot in semi-arid environments.

September 2, 2026Archives of Phytopathology and Plant Protection

Management of external boll rot in cotton using optimized UAV-based fungicide application

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Authors

SRSreenath Ragiman SGS. P. Gawande DNDipak T. Nagrale

Discussion

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Overview

Experimental field trial demonstrates optimized drone spraying reduces external boll rot and increases yield in cotton crops, indicating viable precision canopy disease control.

Key Points

To assess how optimizing unmanned aerial vehicle (UAV) spraying parameters affects fungicide deposition within dense cotton canopies and controls external boll rot in semi-arid environments.
Tested spray volume (18, 20, and 22 L ha−1), flight height (2, 3, and 4 m), and flight velocity (3.5, 4.0, and 4.5 m s−1) using a three-factor, three-level orthogonal design evaluating droplet density, uniformity, and penetrability.
Conducted a two-season field validation comparing the optimized UAV operational parameters against conventional spraying practices.
Spray volume significantly influenced canopy deposition (p < 0.01) followed by flight velocity, establishing 20 L ha−1, 2 m flight height, and 4.0–4.5 m s−1 velocity as the optimal parameters.
Optimized UAV fungicide application reduced boll rot severity by 16% to 19% and increased seed cotton yield by 5% compared to conventional spraying across two seasons.

Cite This Study

Ragiman et al. (2026) studied this question.

synapsesocial.com/papers/6a97e2d9c562ede874ec72ff https://doi.org/10.1080/03235408.2026.2720144

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September 2, 2026Archives of Phytopathology and Plant Protection

Management of external boll rot in cotton using optimized UAV-based fungicide application

View Full Paper

Ask AI

Bookmark

Authors

SRSreenath Ragiman SGS. P. Gawande DNDipak T. Nagrale

Discussion

Member takes

Overview

Experimental field trial demonstrates optimized drone spraying reduces external boll rot and increases yield in cotton crops, indicating viable precision canopy disease control.

Key Points

To assess how optimizing unmanned aerial vehicle (UAV) spraying parameters affects fungicide deposition within dense cotton canopies and controls external boll rot in semi-arid environments.
Tested spray volume (18, 20, and 22 L ha−1), flight height (2, 3, and 4 m), and flight velocity (3.5, 4.0, and 4.5 m s−1) using a three-factor, three-level orthogonal design evaluating droplet density, uniformity, and penetrability.
Conducted a two-season field validation comparing the optimized UAV operational parameters against conventional spraying practices.
Spray volume significantly influenced canopy deposition (p < 0.01) followed by flight velocity, establishing 20 L ha−1, 2 m flight height, and 4.0–4.5 m s−1 velocity as the optimal parameters.
Optimized UAV fungicide application reduced boll rot severity by 16% to 19% and increased seed cotton yield by 5% compared to conventional spraying across two seasons.

Cite This Study

Ragiman et al. (2026) studied this question.

synapsesocial.com/papers/6a97e2d9c562ede874ec72ff https://doi.org/10.1080/03235408.2026.2720144

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