Genetic Variation, Heritability, and Diversity Analysis of Upland Rice (Oryza sativa L.) Genotypes Based on Quantitative Traits

Table 3

Eigenvectors and eigenvalues of the first four principle components of 22 traits.

Variable	PC1	PC2	PC3	PC4
Eigenvalue	7.86	3.81	2.50	1.66
Variation (%)	35.7	17.4	11.4	7.6
Cumulative (%)	35.7	53.1	64.5	72.1
DF	−0.289	0.022	−0.033	−0.047
DM	−0.314	0.044	0.006	0.095
CC67	0.201	0.143	−0.051	0.076
CC97	0.237	0.224	−0.072	0.169
	−0.07	0.433	0.012	0.193
	−0.128	0.398	−0.027	−0.127
	−0.152	0.393	−0.059	−0.187
	−0.077	−0.036	−0.125	−0.493
PH	0.293	0.029	−0.13	−0.106
FL	0.289	0.074	−0.065	−0.064
TT	−0.27	−0.021	−0.361	−0.001
ET	−0.145	−0.109	−0.517	−0.02
PL	0.291	0.078	−0.002	0.042
FG	0.313	−0.087	−0.037	−0.109
UFG	0.199	−0.08	0.076	0.011
GL	0.073	0.178	−0.194	0.506
GB	0.08	0.399	0.012	−0.171
/	−0.019	−0.322	−0.131	0.45
100 GW	0.152	0.275	−0.256	0.198
	0.217	−0.093	−0.404	−0.224
SY	−0.115	−0.008	−0.494	−0.009
HI	0.298	−0.092	−0.134	−0.13

Note: PC1, first principle component; PC2, second principle component; PC3, third principle component; and PC4, four principle component.