Table 2.
Pearson correlation coefficients among canopy air temperature (CAD), chlorophyll fluorescence (Fv/Fm), leaf water content (LWC), and leaf wilting (wilting) under well-watered conditions (C) and drought stress (D).
| Traits | C-CAD | C-Fv/Fm | C-LWC | D-CAD | D-Fv/Fm | D-LWC | D-wilting |
|---|---|---|---|---|---|---|---|
| C-CAD | 1 | ||||||
| C-Fv/Fm | 0.01 | 1 | |||||
| C-LWC | 0.02 | –0.06 | 1 | ||||
| D-CAD | 0.56*** | –0.06 | –0.14 | 1 | |||
| D-Fv/Fm | –0.10 | 0.50*** | 0.05 | –0.16* | 1 | ||
| D-LWC | –0.06 | –0.06 | 0.34*** | –0.02 | 0.06 | 1 | |
| D-wilting | –0.08 | –0.07 | 0.08 | 0.18* | –0.15* | –0.15* | 1 |
*, **, and *** indicate significant at P < 0.05, P < 0.01, and P < 0.001, respectively.