Plant Phenomics / 2021 / Article / Tab 2

Research Article

The Application of UAV-Based Hyperspectral Imaging to Estimate Crop Traits in Maize Inbred Lines

Table 2

Results of aboveground biomass (AGB) estimation based on different band combinations and PLS or RF regression.

BandsWavelength (nm)MethodTraining setTest set
RMSEMAERMSEMAE

All bands450-950PLS0.4135.6731.060.3832.8625.74
RF0.4340.3434.800.3629.7423.13

SPA718, 770PLS0.5733.5329.720.26n.s.35.3328.60
RF0.5838.1832.390.27n.s.33.5624.94

CARS486, 510-514, 606, 710-718, 758-770, 894-902PLS0.5531.3327.530.4828.5321.23
RF0.4239.3333.170.27n.s.32.3724.24

n.s., , and indicate “not significant,” , and , respectively.