Table 1. Principal component analysis of plant growth, photosynthetic and fluorescence related parameters.

Variables	PC1	PC2
Net Photosynthesis Rate (A)	0.312	−0.071
Stomatal Conductance (gs)	0.3	0.363
Water Use Efficiency (WUE)	−0.306	−0.169
Intercellular CO2 (Ci)	0.283	0.545
φPSII	0.291	−0.502
Dark Respiration (Rd)	−0.303	0.027
φCO2	0.312	−0.075
Electron Transport Rate (Jmax)	0.291	−0.498
Transpiration Rate (E)	0.309	0.062
Dry weight	0.301	−0.098
Seed Weight	0.308	0.131