Genotype × Environment Interaction in Grass Pea (Lathyrus sativus L.) Lines

Table 3

Principal component analysis: eigenvalues, eigenvectors, and percent of variation accounted for the first three principal components (PCs).

	PC1	PC2	PC3
Eigenvalue	1.85	1.81	0.98
Variance (%)	37	36	20
Cumul. (%)		73	93
Character		Eigenvector
Seed yield	0.62	0.18	−.41
Flowering time	−.00	0.65	0.39
Plant height	−.26	0.64	0.08
Biomass	0.68	0.20	0.04
100 seeds weight	0.29	−.28	0.82