Table 3.

The principal component analysis in the C. oleifera germplasm collection

Principal components	PC1	PC2	PC3
Standard deviation	6.25	3.05	2.31
Proportion of variance	36.77%	17.96%	13.60%
Cumulative proportion	36.77%	54.73%	68.33%
Traits	Eigen vectors
Shoot length	0.05	0.01	0.44
Shoot diameter	0.25	–0.01	0.57
Leaf area	0.44	0.84	0.23
Leaf length	0.30	0.70	0.19
Leaf average width	0.45	0.72	0.18
Leaf maximum width	0.42	0.83	0.20
Fruit height	0.76	–0.32	0.29
Fruit diameter	0.76	–0.31	0.29
Fruit weight	0.79	–0.32	0.26
Peel thickness	0.77	–0.09	–0.13
Seed height	0.57	–0.43	0.43
Seed diameter	0.47	–0.18	0.37
Fresh seed rate	–0.37	–0.25	0.64
Dry seed rate	–0.80	–0.04	0.52
Dry kernel rate	–0.82	0.01	0.46
Dry kernel oil content	–0.69	0.23	0.12
Fresh fruit oil production rate	–0.84	0.08	0.40