Table 2.

Correlation coefficients (r) between the original variables and the principal components.

PCs	Correlation Coefficients (r)
	RWC	EL	Chl a	Chl b	Chl t	Car	Ci	A
PC1	−0.929 *	0.909 *	−0.939 *	−0.937 *	−0.938 *	−0.966 *	0.819 *	−0.947 *
PC2	0.187	−0.308	−0.146	−0.147	−0.149	−0.068	0.417	0.139
PCs	Correlation Coefficients (r)
	E	gs	CEi	FPD	FED	AFW	NFP	TPP
PC1	−0.928 *	−0.929 *	−0.937 *	0.219	−0.209	−0.169	−0.809 *	−0.849 *
PC2	0.098	0.078	0.219	−0.898 *	−0.859 *	−0.958 *	−0.119	−0.169

PC1—Principal component 1; PC2—Principal Component 2. *—Variable with Pearson’s correlation coefficient (r ≥ 0.80) considered for PC. Correlation coefficient determined considering the three repetitions (n = 3).