TABLE 5.

Eigenvector matrix of principal component analysis.

	Principal component
	PC1	PC2	PC3	PC4	PC5
PH	0.559	0.051	–0.329	–0.065	–0.040
FBN	0.493	0.190	–0.329	0.099	0.250
EFBN	0.814	–0.014	–0.403	0.158	0.115
BN	0.809	–0.099	–0.393	0.187	–0.128
EBN	0.804	–0.126	–0.387	0.176	–0.124
CSY	0.625	–0.320	0.534	–0.373	0.012
CLY	0.566	–0.266	0.421	–0.360	–0.052
SWB	0.625	–0.320	0.534	–0.373	0.012
CI	0.332	0.515	0.252	0.111	–0.182
gs	0.334	0.667	0.129	0.104	–0.119
VPD	0.141	0.671	0.063	0.059	–0.318
Pn	0.197	0.502	0.366	0.186	0.229
Tr	0.223	0.404	0.231	–0.071	0.591
WUE	0.079	0.693	0.391	0.004	–0.009
MDA	–0.064	0.064	–0.136	–0.221	–0.250
a	0.122	–0.498	0.317	0.439	0.230
b	0.026	–0.081	0.365	0.578	–0.387
Chl	0.095	–0.375	0.417	0.764	–0.017
SOD	–0.080	0.104	–0.132	0.237	0.514