Table 1 Shows the absolute value of pearson’s correlation coefficient between moisture (plant moisture content (PMC) and leaf moisture content (LMC)) with canopy temperature (Tc) and vegetation indices at various growth stages of wheat, and with the full dataset.

Growth Stages	Number of samples	PMC and Tc	LMC and Tc	PMC and RSI	PMC and NDSI	PMC and pub. Indices	LMC and RSI	LMC and NDSI	LMC and pub. Indices
Growth Stages	Number of samples	PMC and Tc	LMC and Tc	Index and R	Index and R	Index and R	Index and R	Index and R	Index and R
Elongation	18	0.56*	0.58*	RSI9 0.46 ^ns	NDSI6 0.08 ^ns	NDVI 0.13^ns	RSI9 0.66**	NDSI1 0.55*	NDVI 0.62**
Booting	18	0.59**	0.64**	RSI7 0.72***	NDSI14 0.08 ^ns	WBI 0.70**	RSI7 0.47*	NDSI1 0.05^ns	WBI 0.58***
Heading	18	0.48*	0.59**	RSI9 0.50*	NDSI5 0.36 ^ns	WBI 0.50*	RSI2 0.59*	NDSI4 0.6**	WBI 0.74***
Flowering	18	0.64**	0.58*	RSI6 0.83***	NDSI9 0.82***	SRWI 0.78***	RSI4 0.74***	NDSI9 0.73***	SRWI 0.69**
Filling	18	0.80***	0.87***	RSI4 0.73***	NDSI9 0.73***	WBI 0.67**	RSI4 0.82***	NDSI12 0.81***	WBI 0.80***
Dough	36	0.71***	0.66***	RSI3 0.60***	NDSI1 0.61***	MSI 0.72***	RSI7 0.89***	NDSI9 0.88***	SRWI 0.88***
Ripening	18	0.80***	0.76***	RSI8 0.93***	NDSI14 0.91***	SRWI 0.93***	RSI8 0.87***	NDSI14 0.83***	SRWI 0.86***
All	144	0.82***	0.54***	RSI10 0.88***	NDSI3 0.89***	SRWI 0.86***	RSI7 0.69***	NDSI14 0.64***	SRWI 0.62***

Note: ^ns means not significant at p < 0.05, * significant at p < 0.05, ** significant at p < 0.01, *** significant at p < 0.001, and pub. means published, ratio stress index (RSI), and normalized drought stress index (NDSI).

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