Table 1.
Effect of salinity levels (0–25–50–100 mM NaCl) and foliar applications (no foliar, K, Zn, and Si) on lavender plant height (cm), leaf length (cm), stem thickness (mm), shoot number, biomass fresh weight (FW; g/plant), and biomass dry matter (DM; %) in plants grown hydroponically in perlite.
| Salinity (NaCl) | Foliar applic. | Plant height | Leaf length | Stem thickness | Shoot number | Biomass FW | Biomass DM |
|---|---|---|---|---|---|---|---|
| 0 mM | 0 | 40.83 ± 1.53aY | 6.12 ± 0.15ab | 5.49 ± 0.15ab | 4.33 ± 0.71abc | 27.63 ± 1.19a | 31.21 ± 0.51a |
| +K | 36.50 ± 2.04bcd | 6.03 ± 0.09abcd | 5.40 ± 0.22ab | 4.67 ± 0.55ab | 20.20 ± 1.52bc | 32.94 ± 0.39a | |
| +Zn | 39.00 ± 0.36ab | 6.08 ± 0.13abc | 5.81 ± 0.31a | 5.17 ± 0.65a | 20.84 ± 1.66bc | 33.21 ± 0.81a | |
| +Si | 38.00 ± 1.29ab | 6.15 ± 0.08a | 5.47 ± 0.25ab | 3.67 ± 0.33abcd | 23.58 ± 1.53b | 31.98 ± 1.25a | |
| 25 mM | 0 | 37.33 ± 1.52abc | 5.72 ± 0.16cde | 5.37 ± 0.36ab | 4.17 ± 0.54abcd | 23.54 ± 2.07b | 25.38 ± 1.28bc |
| +K | 33.00 ± 1.41de | 5.75 ± 0.18bcde | 5.38 ± 0.37ab | 3.83 ± 0.54abcd | 20.44 ± 1.50bc | 27.32 ± 0.41b | |
| +Zn | 33.67 ± 1.28cde | 5.68 ± 0.11def | 4.82 ± 0.19bcd | 3.67 ± 0.71abcd | 19.71 ± 1.33bc | 27.39 ± 1.36b | |
| +Si | 31.83 ± 1.53ef | 5.67 ± 0.18def | 5.14 ± 0.20abc | 4.67 ± 0.33ab | 20.32 ± 1.17bc | 27.50 ± 1.24b | |
| 50 mM | 0 | 27.67 ± 0.95g | 5.32 ± 0.09fgh | 4.31 ± 0.21de | 3.67 ± 0.42abcd | 18.37 ± 0.81cd | 24.80 ± 0.71bc |
| +K | 28.83 ± 1.16fg | 5.40 ± 0.12efg | 4.55 ± 0.15cde | 3.50 ± 0.88abcd | 17.34 ± 1.23cd | 25.17 ± 0.98bc | |
| +Zn | 27.00 ± 1.39g | 5.05 ± 0.11gh | 4.32 ± 0.27de | 2.67 ± 0.21cdef | 15.59 ± 1.31de | 25.31 ± 0.22bc | |
| +Si | 26.50 ± 0.72g | 5.05 ± 0.05gh | 4.57 ± 0.19cde | 3.50 ± 0.42abcd | 19.69 ± 1.08bc | 23.67 ± 0.91cd | |
| 100 mM | 0 | 21.17 ± 1.08h | 5.13 ± 0.04gh | 3.93 ± 0.20e | 3.33 ± 0.21bcde | 13.03 ± 1.09ef | 22.71 ± 0.93cd |
| +K | 19.58 ± 1.34h | 5.02 ± 0.19gh | 3.19 ± 0.21f | 1.50 ± 0.34f | 9.72 ± 0.87f | 21.25 ± 0.85d | |
| +Zn | 21.17 ± 2.16h | 4.63 ± 0.06i | 2.98 ± 0.18f | 1.83 ± 0.40ef | 11.63 ± 0.87ef | 21.02 ± 0.87d | |
| +Si | 19.92 ± 0.71h | 4.97 ± 0.06hi | 2.85 ± 0.10f | 2.50 ± 0.34ef | 11.68 ± 0.80ef | 22.61 ± 0.80cd | |
| SIGNIFICANCE | |||||||
| Salinity (S) | *** | *** | *** | *** | *** | *** | |
| Foliar (F) | * | ns | ns | ns | *** | ns | |
| S × F | ns | ns | ns | ns | ns | ns | |
Y
values (n = 6) in columns followed by the same letter are not significantly different, P < 0.05.
ns, *, and ***
indicate non-significant or significant differences at P < 5, and 0.1%, respectively, following two-way ANOVA.