Table 1 Pearson correlation coefficient matrix for 11 physiological parameters in C. sinensis leaves. Data are from Figs. 2 and 3; *, ** and *** indicate a significant difference at P < 0.05, P < 0.01 and P < 0.001, respectively. A: CO₂ assimilation; F_OEC: The fraction of OEC in comparison with control; EL: Electrolyte leakage; SAP: Superoxide anion production rate; HP: H₂O₂ production rate

1

0.9492

1

−0.9569*

−0.9987**

1

−0.9489

−1.0000***

0.9986**

1

0.9629*

0.9986**

−0.9976**

−0.9985**

1

0.9484

0.9754*

−0.9673*

−0.9755*

0.9823*

1

−0.9080

−0.9798*

0.9845*

0.9797*

−0.9706*

−0.9116

1

−0.9806*

−0.9876*

0.9934**

0.9874*

−0.9910**

−0.9573*

0.9723*

1

−0.9656*

−0.9924**

0.9974**

0.9922**

−0.9922**

−0.9529*

0.9854*

0.9978**

1

−0.8838

−0.9550*

0.9395

0.9553*

−0.9569*

−0.9863*

0.8869

0.9114

0.9141

1

−0.9202

−0.9941**

0.9873*

0.9942**

−0.9910**

−0.9809*

0.9643*

0.9655*

0.9731*

0.9776*

1