SYMPOSIA PAPER Published: 30 October 2020
STP162720190115

Application of Unmanned Aerial Vehicles to Control Crop Insects and Diseases in China

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The use of unmanned aerial vehicles (UAVs) for crop protection has been developing significantly in recent years in China. There are currently more than 200 companies in China that produce UAVs for plant protection. In 2019, there were 50,970 UAVs in China, and the total treated areas reached 29,402,000 ha. With the characterized of high efficiency and high utilization rates, UAVs are used to apply pesticides to many crops such as rice, wheat, and corn to mitigate diseases and control pests. There are no adequate specific formulations or adjuvants for UAV application. Conventional formulations such as emulsifiable concentrate, water powder, and suspension concentrate have been used for UAVs. Moreover, there is no standard evaluation method of adjuvants for UAVs. We have established an adjuvant screen system for UAV application, including safety on crops, physical and chemical properties of spray solution (surface tension, wettability, contact angle, and droplet size), antievaporation, and antidrift. The popularization and application of UAVs in plant protection is already an inevitable trend in China. In the future, the formulations and adjuvants for UAVs should be antievaporative and antidrift, have good permeation, and be safe and effective.

Author Information

Yan, Xiaojing
Key Laboratory of Integrated Pest Management in Crops, Ministry of Agriculture, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, CN
Yuan, Huizhu
Key Laboratory of Integrated Pest Management in Crops, Ministry of Agriculture, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, CN
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Details
Pages: 25–35
DOI: 10.1520/STP162720190115
ISBN-EB: 978-0-8031-7701-7
ISBN-13: 978-0-8031-7700-0