Table 1.
Means value, standard deviation (SD) of traits under well-watered (WW) and water-stressed (WS) regimes and the drought-tolerant coefficient (DC) of each trait at vegetative growth stage
| Traits | Mean ± SD (WW) | Mean ± SD (WS) | Mean ± SD (DC) |
|---|---|---|---|
| PH (cm) | 45.05 ± 1.78 | 35.98 ± 1.93 | 0.80 ± 0.01 ef |
| LAI | 3.11 ± 0.44 | 1.83 ± 0.13 | 0.59 ± 0.05 f |
| SB (g plant−1) | 7.06 ± 1.03 | 4.34 ± 0.25 | 0.62 ± 0.06 f |
| RB (g plant−1) | 1.89 ± 0.18 | 1.78 ± 0.04 | 0.95 ± 0.07 de |
| R/S | 0.28 ± 0.02 | 0.42 ± 0.01 | 1.53 ± 0.04 b |
| TRL (m) | 51.15 ± 1.81 | 44.29 ± 2.37 | 0.87 ± 0.02 e |
| RSA (cm2) | 969.69 ± 62.85 | 828.29 ± 61.42 | 0.86 ± 0.10 e |
| RV (cm3) | 14.69 ± 0.83 | 13.23 ± 1.10 | 0.91 ± 0.12 e |
| RD (mm) | 0.55 ± 0.02 | 0.63 ± 0.04 | 1.15 ± 0.11 cd |
| RLR (m/g) | 5.91 ± 0.55 | 7.44 ± 0.15 | 1.38 ± 0.19 c |
| RSR (cm2/g) | 113.21 ± 8.43 | 138.67 ± 8.38 | 1.23 ± 0.05 c |
| RVR (cm3/g) | 1.75 ± 0.35 | 2.19 ± 0.18 | 1.29 ± 0.36 bc |
| RDR (mm/g) | 0.06 ± 0.01 | 0.11 ± 0.01 | 1.87 ± 0.07 a |
| RBR | 0.21 ± 0.01 | 0.29 ± 0.01 | 1.37 ± 0.03 bc |
Means followed by the same letter within the third column are not significantly different (p ≤ 0.05) as determined by Duncan’s multiple-range test (n = 3)