Table 1.
Root and shoot dry weights, plant yield and leaf ion (K+, Ca++, Na+, Cl- and K+/Na+) concentrations of Falconstar cucumber cv. grafted on different rooststocks and grown in different soilless media under different salinity stress conditions.
| Graft combinations | Salinity levels (dS m−1) | Root dry weight (g) | Shoot dry weight (g) | Yield (kg plant−1) | K+ (%) | Ca++ (%) | Na+ (%) | Cl− (%) | K+/Na+ ratio |
|---|---|---|---|---|---|---|---|---|---|
| FS/Nun9075 | 2.5 | 34.07 c | 68.70 de | 6.77 bc | 1.65 bc | 9.81 ab | 0.06f | 0.34 f | 29.61 a |
| 5.0 | 7.63 ef | 19.19 fe | 2.57 de | 1.67 bc | 7.02 cd | 0.58 d | 1.24 de | 3.81 efg | |
| 7.5 | 7.88 ef | 21.93 f | 1.19 fg | 1.60 bcd | 6.69 cd | 0.60 d | 1.94 c | 3.03 efg | |
| FS/RS841 | 2.5 | 33.92 c | 73.92 cd | 5.71 bc | 1.06 e | 11.4 a | 0.16f | 0.30 f | 8.03 e |
| 5.0 | 8.71 ef | 22.18 f | 2.64 de | 1.20 b–e | 7.79 cd | 0.62 d | 1.35 de | 2.08 efg | |
| 7.5 | 10.47 ef | 23.26 f | 1.49 ef | 1.15 de | 5.26 ef | 0.63 d | 1.75 c | 2.29 efg | |
| FS/TZ148 | 2.5 | 40.77 b | 82.01 c | 7.05 b | 1.29 b–e | 10.4 ab | 0.10f | 0.26 f | 13.46 d |
| 5.0 | 7.14 ef | 20.40 f | 2.78 d | 1.35 b–e | 7.12 cd | 0.69 d | 1.18 de | 4.05 efg | |
| 7.5 | 7.48 ef | 22.27 f | 1.25 ef | 0.97 e | 4.33 f | 0.48 de | 1.42 d | 3.24 efg | |
| FS/Avar | 2.5 | 33.9 c | 60.29 e | 6.74 bc | 1.70 b | 10.18 ab | 0.13f | 0.34 f | 28.07 ab |
| 5.0 | 8.98 ef | 19.43 fe | 2.63 de | 1.11 de | 6.79 de | 0.62 d | 1.22 de | 2.53 efg | |
| 7.5 | 6.89 ef | 17.89 fe | 1.06 fg | 1.27 b–e | 6.36 de | 0.75 cd | 2.25 b | 1.76 fg | |
| FS/Local-1 | 2.5 | 26.89 d | 60.61 e | 2.54 de | 2.29 a | 10.93 ab | 0.09f | 0.35 f | 24.08 bc |
| 5.0 | 3.67 f | 9.83 g | 1.12 fg | 1.43 b–e | 7.40 cd | 0.61 d | 1.23 de | 2.46 efg | |
| 7.5 | 4.28 f | 15.61 fe | 0.63 gh | 1.16 de | 5.03 ef | 0.60 d | 1.94 c | 2.19 efg | |
| FS/Local-3 | 2.5 | 46.56 ab | 93.33 b | 5.42 c | 2.20 a | 9.44 b | 0.11f | 0.35 f | 19.05 c |
| 5.0 | 9.78 ef | 24.89 f | 2.17 de | 1.73 b | 7.96 c | 0.73 cd | 1.23 de | 2.53 efg | |
| 7.5 | 7.50 ef | 20.00 f | 0.47 h | 1.75 b | 6.56 de | 1.04c | 1.94 c | 2.84 efg | |
| Falconstar (control) | 2.5 | 50.37 a | 113.78 a | 8.58 a | 1.29 b–e | 9.81 ab | 0.21 e | 0.34 f | 6.72 ef |
| 5.0 | 11.86 e | 14.33 fe | 1.29 ef | 1.43 b–e | 6.69 de | 2.88b | 1.91 c | 0.51 g | |
| 7.5 | 6.93 ef | 21.74 f | 0.81 gh | 1.37 b–e | 6.20 de | 3.28 a | 2.88 a | 0.42 g | |
| Growing media | |||||||||
| Perlite | 2.5 | 42.48 a | 80.25 a | 5.20 b | 1.91 a | 9.19 c | 0.13 d | 0.34 d | 23.1 a |
| 5.0 | 8.69 cd | 16.22 d | 1.81 d | 1.32 b | 6.34 e | 1.22 ab | 1.23 c | 1.52 c | |
| 7.5 | 8.27 cd | 17.96 cd | 0.78 d | 1.17 b | 4.66 f | 0.92 bc | 2.22 a | 2.14 c | |
| Rockwool | 2.5 | 28.85 b | 79.50 a | 5.56 b | 1.52 b | 10.25 b | 0.10 d | 0.33 d | 17.53 b |
| 5.0 | 6.02 cd | 13.92 d | 1.44 d | 1.41 b | 6.98 e | 0.96 bc | 1.28 c | 2.35 c | |
| 7.5 | 4.60 d | 14.35 d | 0.81 d | 1.32 b | 4.91 f | 1.40 a | 2.16 a | 1.21 c | |
| Cocopeat | 2.5 | 42.88 a | 77.10 a | 7.56 a | 1.48 b | 11.75 a | 0.14 d | 0.31 d | 14.67 b |
| 5.0 | 10.05 c | 25.69 bc | 3.23 c | 1.52 b | 8.43 d | 0.70c | 1.44 bc | 3.84 c | |
| 7.5 | 9.17 c | 28.85 b | 1.38 d | 1.48 b | 7.75 d | 0.84 bc | 1.59 b | 3.41 c | |
Values followed by the same letter or letters within the same column are not significantly different at a 5% level Duncan’s multiple range test.