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Abstract
Woody ornamentals are essential to landscapes, yet technological advancements in their cultivation often lag behind other agricultural sectors. Traditional spraying methods for ornamental crops can lead to over or under-application of agrochemicals, posing health, environmental, and economic risks. This research aimed to improve precision spraying through advanced technologies, for reducing agrochemical usage while optimizing management practices. This study utilized a high-resolution RGB camera-mounted aerial system and a ground-based LiDAR and depth camera systems to calculate tree characteristics such as height, trunk diameter, and canopy volume, which are crucial for determining precise agrochemical application rates and enabled a comparison between the two methods for assessing canopy characteristics. Additionally, a web application was developed to monitor disease severity and evaluate the efficacy of agrochemicals to quantify disease progression over time. These technologies help enhance agrochemical application efficacy, promoting sustainability, efficiency, and economic viability in ornamental crop management and spraying.