Table 4.

Principal component analysis (PCA) of all tested traits

	Trait	PC1	PC2	PC3
Characteristic vector	DRS	0.06	0.90	−0.15
	FRS	0.09	0.89	−0.09
	RD	−0.45	0.01	0.75
	RDW	0.80	0.39	0.08
	RF	0.91	0.09	0.10
	RFW	0.92	0.23	0.21
	RL	0.78	0.00	−0.28
	RSA	0.96	0.20	0.11
	RT	0.54	−0.18	−0.44
	RV	0.90	0.23	0.3
	SDW	0.78	−0.44	0.22
	SFW	0.86	−0.31	0.29
	SL	0.73	−0.44	−0.15
	TL	0.86	−0.27	−0.25
	TRL	0.93	0.14	−0.02
Eigenvalues		8.68	2.53	1.24
Contribution%		57.84	16.84	8.29
Cumulative contribution%		57.84	74.69	82.98