Researchers from the Chinese Academy of Agricultural Sciences have recently unveiled groundbreaking drone technology that accurately measures the height of wheat plants, essential for improving global wheat production. Published in February 2025, the study emphasizes the critical role of wheat, which provides about 20% of the world’s daily calories.
Traditionally, measuring plant height involved manually gauging a few representative plants, a process that is labor-intensive and prone to human error. The new method employs drones using a technique called cross-circling oblique imaging (CCO), allowing for detailed, three-dimensional assessments of wheat plants from multiple angles. This advancement not only enhances measurement accuracy but also captures subtle variations within the same field, which previous methods often missed.
The research identified 11 significant genetic regions associated with plant height, including two novel markers. This revelation could accelerate the breeding of stronger wheat varieties that resist falling over while optimizing yield. The CCO imaging method creates comprehensive 3D models of the wheat canopy, showing important structural details that help breeders identify genetic traits linked to height.
The new imaging technique is also cost-effective and scalable, making it suitable for other crops where height and structure are important factors. By improving the efficiency of genetic mapping and marker-assisted selection, this technology promises to aid farmers facing challenges such as climate change and the need for increased food production.
Overall, this innovative approach signifies a turning point in precision agriculture, equipping researchers and breeders with enhanced tools to develop high-yield, resilient wheat varieties. As farming continues to evolve, the integration of advanced technologies like drone imaging will play a vital role in securing global food supplies for future generations.
-Rashmi Kumari
