Table 1 Correlation coefficients between net photosynthetic rate (Pn) and physiological indices in K. obovata
Parameters | Â |
|---|---|
Stomatal conductance (G s) | 0.963** |
Intercellular CO2 concentration (C i) | −0.962** |
Chlorophyll a/chlorophyll b (Chl a/b) ratio | 0.677** |
Chlorophyll/carotenoid (Chl/Car) ratio | 0.779** |
Ribulose 1,5-biphosphate acrboxylase (RuBPcase) | 0.564** |
Ascorbate peroxidase (APX) | 0.575** |
Superoxide dismutase (SOD) | 0.544** |
Peroxidase (POD) | 0.327 |
Malondialdehyde (MDA) | −0.918** |
Superoxide anion (O2 −) | −0.935** |
Hydrogen peroxide (H2O2) | −0.913** |
Total soluble sugar (TSS) | −0.931** |
Sucrose | 0.398 |
Sucrose synthase (SS) | 0.265 |
Sucrose phosphate synthase (SPS) | 0.914** |
Soluble protein (SP) | −0.947** |
Free amino acid (FAA) | −0.926** |
Endopeptidase | 0.921** |
Carboxypeptidase | −0.940** |