Table 2.

Variance contribution rate of the principal

PC	Tillering stage				Elongation stage
	CF		TF		CF		TF
	E	CVCR	E	CVCR	E	CVCR	E	CVCR
1	14.427	61.726	3.319	79.941	12.204	50.002	3.988	78.437
2	5.465	85.106	0.546	93.091	8.409	84.456	0.731	92.804
3	2.249	94.729	0.244	98.967	2.513	94.750	0.351	99.716
4	0.483	96.795	0.041	99.944	0.566	97.071	0.013	99.966
5	0.314	98.137	0.002	100	0.368	98.578	0.002	100

PC: Principal Components; E: Eigenvalue; CVCR: Cumulative Variance Contribution Rate.