Table 7.

Scenario W_0.7 – Pearson correlation and linear regression analysis between DI_norm and spectral features at DAS 80 (non-fungicide treatment block) (results for Scenario X are presented in Supplementary Data S Table 1).

	UAV			SkySat			Pleiades
	r	R2adj	RMSE	r	R2adj	RMSE	r	R2adj	RMSE
G	0.51			0.59			0.44
R	0.77			0.82*	0.59*	0.17	0.73
NIR	− 0.61			− 0.27			− 0.19
NGRDI	− 0.84*	0.63*	0.16	− 0.79			− 0.96**	0.90**	0.08
NDVI	− 0.93**	0.83**	0.11	− 0.98***	0.95***	0.06	− 0.99***	0.97***	0.05
GNDVI	− 0.86*	0.68*	0.15	− 0.85*	0.66*	0.16	− 0.92**	0.81**	0.12
TVI	− 0.89*	0.75*	0.13	− 0.92**	0.81**	0.12	− 0.83*	0.62*	0.16
CVI	− 0.43			− 0.36			0.08
CIG	− 0.86*	0.68*	0.15	− 0.83*	0.61*	0.17	− 0.93**	0.82**	0.11
RGR	0.85*	0.65*	0.16	0.79			0.96**	0.90**	0.09
RDVI	− 0.92**	0.81**	0.12	− 0.98***	0.96***	0.05	− 0.91*	0.79*	0.12
VARIg	− 0.84*	0.63*	0.16	− 0.79			− 0.96**	0.90**	0.08
OSAVI	− 0.93**	0.83**	0.11	− 0.98***	0.95***	0.06	− 0.99***	0.97***	0.05
MSR	− 0.92**	0.81**	0.12	− 0.97**	0.93**	0.07	− 0.99***	0.97***	0.05
MSAVI2	− 0.90*	0.77*	0.13	− 0.99***	0.96***	0.05	− 0.99***	0.97***	0.05
RVI	0.93**	0.84**	0.11	0.99***	0.96***	0.05	0.99***	0.97***	0.05
SAVI	− 0.91*	0.79*	0.12	− 0.98***	0.95***	0.06	− 0.99***	0.97***	0.05
SR	− 0.91*	0.79*	0.12	− 0.96**	0.91**	0.08	− 0.99***	0.97***	0.05

*p-value < 0.05; **p-value < 0.01; and ***p-value < 0.001.