Table 4.

Pearson’s correlation analysis between proximal and remote sensing indices.

		NDVI	NDRE	GNDVI	WI	CVI	MSAVI	NDGI	GI
CWSI	r	-0.827	-0.730	-0.761	0.813	-0.559	-0.678	-0.698	-0.694
	P-value	0.000	0.005	0.003	0.001	0.047	0.011	0.008	0.009
Ig	r	0.743	0.624	0.682	-0.680	0.596	0.533	0.505	0.502
	P-value	0.006	0.030	0.015	0.015	0.041	n.s.	n.s.	n.s.
ΔW	r	0.593	0.614	0.670	-0.716	0.508	0.457	0.692	0.690
	P-value	n.s.	n.s.	n.s.	0.041	n.s.	n.s.	0.050	n.s.

CWSI, crop water stress index; Ig, stomatal conductance index; ΔW, fruit daily weight fluctuation; NDVI, normalized difference vegetation index; NDRE, normalized difference RedEdge index; GNDVI, green normalized difference vegetation index; CVI, chlorophyll vegetation index; MSAVI, modified soil-adjusted vegetation index; WI, water index; NDGI, normalized difference greenness index; GI. green index.

Correlations are significant for P < 0.05; n.s., non-significant.