| |
Environmental factorsa
|
CO2
|
|---|
|
g
s
|
C
i
|
E
|
VPDa
|
VPDl
|
T
a
|
T
1
|
PPFD
|
|---|
|
Dry season
|
|
P
N
|
ns/ns
|
−**/−**
|
ns/ns
|
ns/ns
|
ns/+*
|
ns/ns
|
−*/ns
|
ns/+**
|
ns/ns
|
|
g
s
| |
ns/+**
|
+**/+**
|
ns/ns
|
ns/−**
|
ns/ns
|
ns/ns
|
ns/ns
|
ns/+*
|
|
C
i
| | |
ns/ns
|
ns/−*
|
ns/−**
|
ns/ns
|
ns/ns
|
ns/−**
|
ns/+**
|
|
E
| | | |
ns/ns
|
ns/ns
|
ns/ns
|
ns/+*
|
ns/ns
|
ns/ns
|
|
Wet season
|
|
P
N
|
+**/ns
|
ns/−*
|
+**/ns
|
ns/ns
|
ns/ns
|
−**/ns
|
−**/ns
|
ns/ns
|
ns/ns
|
|
g
s
| |
ns/+**
|
+**/+**
|
ns/−**
|
ns/−**
|
ns/ns
|
−*/+*
|
ns/ns
|
ns/ns
|
|
C
i
| | |
ns/+*
|
ns/−**
|
ns/−**
|
ns/ns
|
ns/+*
|
ns/−**
|
ns/ns
|
|
E
| | | |
ns/ns
|
ns/ns
|
ns/+**
|
ns/+**
|
ns/ns
|
ns/−**
|
- + and − symbols represent positive and negative correlation, respectively
- ns indicates no significant correlation
- *,** Indicate significance at P < 0.05 and P < 0.01, respectively. N = 18
-
a
g
s (stomatal conductance), C
i (intercellular CO2 concentration), E (transpiration rate), VPDa (air vapor pressure deficit), VPDl (leaf-air vapor pressure deficit), T
a (air temperature), T
l (leaf temperature), PPFD (photosynthetic photon flux density), CO2 (ambient CO2 concentration), S. macrophylla/M. azedarach
