Table 5.

Correlation analysis results between hyperspectral feature parameters and sensitive bands and the disease index of goji psyllids and goji gall mites.

Characteristic Parameter and Sensitive Bands	DI
	Goji Psyllids		Goji Gall Mites
	Pearson Correlation	Sig.	Pearson Correlation	Sig.
SDb	0.985 **	0.002	0.996 **	0
SDg	−0.921 *	0.026	−0.94 *	0.018
SDy	0.965 **	0.008	0.962 **	0.009
SDr	0.893 *	0.041	0.951 *	0.013
SDr/SDb	0.405	0.499	−0.149	0.811
SDr/SDg	0.753	0.142	−0.22	0.722
(SDr − SDb)/(SDr + SDb)	0.443	0.455	−0.051	0.935
(SDr − SDg)/(SDr + SDg)	0.977 **	0.004	0.975 **	0.005
PSSRa	0.483	0.41	0.501	0.39
PSSRb	0.059	0.925	0.789	0.113
PSSRc	0.725	0.166	0.448	0.449
GNDVI	−0.983 **	0.003	−0.99 **	0.001
first-order derivative of R700	−0.993 **	0.001	−0.99 **	0.001
first-order derivative of R760	−0.767	0.13	−0.561	0.325
R850	−0.945 *	0.015	0.62	0.264
R975/R955	0.89 *	0.043	0.144	0.817
NDVI	0.853	0.066	0.863	0.06
GNDVI	−0.983 **	0.003	−0.99 **	0.001
MTVI	0.508	0.382	0.56	0.326
mNDVI705	0.654	0.232	0.623	0.262
mSR705	−0.676	0.21	−0.777	0.122
RGRI	−0.533	0.355	−0.227	0.713
TVI	−0.472	0.422	−0.561	0.325

Note: “*” indicates significant correlation, while “**” indicates highly significant correlation.