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The study aims to evaluate the effectiveness of RGB-derived indices in detecting canopy differences in durum wheat.

November 19, 2025CropsOpen Access

RGB-Derived Indices Accurately Detect Genotypic and Agronomic Differences in Canopy Variation in Durum Wheat

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Analysis confirms RGB-derived indices reveal canopy variation in durum wheat, highlighting resource-use efficiency improvements.

The study aims to evaluate the effectiveness of RGB-derived indices in detecting canopy differences in durum wheat.
Utilized Unmanned Aerial Vehicles to capture digital RGB images across four growing seasons.
Evaluated 521 durum wheat varieties in a field experiment focusing on genotypic differences.
Conducted a second experiment with two genotypes under varying sowing rates and nitrogen treatments.
RGB-derived indices showed significant genotypic differences (p < 0.001) in durum wheat varieties.
RGB indices explained up to 72% of the phenotypic variance during early growth stages.
NGRDI and TGI demonstrated strong capability to discriminate between genotypes and sowing densities.

Fania et al. (2025) studied this question.

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