Influence of Cultivar on the Postharvest Hardening of Trifoliate Yam (Dioscorea dumetorum) Tubers

Table 3

Loading for varimax rotated principal components.

Variable	PC1	PC2	PC3	PC4	PC5
Tuber weight	0.55	0.48	−0.67	−0.11	−0.02
Area of collection	0.90	−0.10	0.28	−0.25	−0.20
Tuber flesh colour	0.90	0.02	0.03	0.43	−0.06
Roots on the tuber surface	−0.25	0.89	0.39	0.02	−0.02
Altitude	−0.94	−0.02	−0.20	0.10	−0.25
Eigenvalue	2.86	1.03	0.73	0.28	0.11
% total variance	57.24	20.59	14.53	5.51	2.14
Cumulated eigenvalue	2.86	3.89	4.62	4.89	5.00
Cumulated variance (%)	57.24	77.83	92.35	97.86	100.00

Loading with absolute values higher than 0.67 represents a significant contribution.