Source of variation |
Shoot DW (g·plant− 1) |
Root DW (g·plant− 1) |
Root length (cm·plant− 1) |
Root surface area (cm2·plant− 1) |
Root volume (cm3·plant− 1) |
Ψw (MPa) |
RWC (%) |
Lp (10−8·m3·m− 2·s− 1 MPa− 1) |
NaCl (mM) (N) |
0 |
0.19 ± 0.02a |
0.12 ± 0.01a |
475.64 ± 26.49a |
120.12 ± 9.24a |
3.95 ± 0.26a |
−0.73 ± 0.06a |
93.34 ± 2.43a |
11.63±0.75a |
150 |
0.13 ± 0.02b |
0.09 ± 0.01b |
279.30 ± 52.22b |
71.97 ± 10.93b |
2.68 ± 0.32b |
−1.69 ± 0.19b |
71.99 ± 6.25b |
6.00 ± 1.18b |
DCPTA (μM) (D) |
0 |
0.14 ± 0.04b |
0.10 ± 0.02a |
346.20 ± 116.42a |
86.95 ± 28.69a |
3.10 ± 0.78a |
−1.28 ± 0.62a |
78.38 ± 15.69a |
8.03 ± 3.45a |
20 |
0.17 ± 0.04ab |
0.11 ± 0.02a |
384.99 ± 118.35a |
101.75 ± 26.51a |
3.24 ± 0.75a |
−1.24 ± 0.58a |
84.52 ± 10.90a |
8.60 ± 3.22a |
100 |
0.18 ± 0.03a |
0.11 ± 0.02a |
420.48 ± 73.39a |
103.32 ± 22.29a |
3.60 ± 0.60a |
−1.09 ± 0.34a |
85.38 ± 8.60a |
9.89 ± 2.42a |
400 |
0.16 ± 0.03ab |
0.11 ± 0.02a |
358.22 ± 116.24a |
92.16 ± 27.96a |
3.32 ± 0.69a |
−1.23 ± 0.50a |
82.35 ± 11.40a |
8.74 ± 3.01a |
Significance |
NaCl (mM) (N) |
*** |
*** |
*** |
*** |
*** |
*** |
*** |
*** |
DCPTA (μM) (D) |
*** |
*** |
*** |
*** |
*** |
*** |
*** |
*** |
N × D |
ns |
ns |
** |
ns |
ns |
** |
** |
* |
- ns, *, **, and ***: Not significant or significant atP ≤ 0.05, 0.01, and 0.001, respectively. The different letters within each column indicate significant differences according to Duncan’s multiple-range test (P = 0.05)