TABLE 3.

Pearson correlation coefficients (r-value) of the RGB color indices measured proximally and aerially with visually rated leaf wilting for peanut genotypes.

RGB color indices	Proximal	Aerial
Intensity	0.27*	0.69
Hue	−0.67	−0.66
Saturation	−0.48	−0.76
Lightness	0.27*	0.48
a*	0.70	0.77
b*	−0.55	−0.65
u*	0.70	0.74
v*	−0.57	−0.53
Green area	−0.61	−0.69
Greener area	−0.68	−0.64
Crop senescence index	0.65	0.63

*Values not significant at P < 0.0001.