| Foliar application | Dilution ratio | Leaf no (plant−1) | leaf length (cm) | Shoot DW (g∙pot−1) | SPAD value |
| H2O | ― | 5.87 ± 0.25 ab | 14.61 ± 0.11 a | 3.75 ± 0.18 ab | 40.93 ± 0.25 a |
| SLF1 | 10 | 5.61 ± 0.08 b | 14.19 ± 0.39 a | 3.74 ± 0.12 ab | 40.11 ± 0.60 a |
| SLF1 | 20 | 5.69 ± 0.10 ab | 15.35 ± 0.43 a | 3.72 ± 0.20 ab | 39.93 ± 0.91 a |
| SLF1 | 50 | 5.58 ± 0.16 ab | 14.37 ± 0.24 a | 3.61 ± 0.17 ab | 40.35 ± 0.45 a |
| SLF2 | 10 | 5.97 ± 0.12 ab | 15.36 ± 0.50 a | 3.92 ± 0.06 a | 39.46 ± 0.24 a |
| SLF2 | 20 | 6.01 ± 0.01 ab | 15.01 ± 0.11 a | 3.82 ± 0.08 ab | 39.47 ± 0.63 a |
| SLF2 | 50 | 5.91 ± 0.08 ab | 15.25 ± 0.38 a | 3.76 ± 0.07 ab | 40.13 ± 0.39 a |
| SLF3 | 10 | 5.83 ± 0.13 ab | 14.27 ± 0.71 a | 3.51 ± 0.11 ab | 39.62 ± 1.06 a |
| SLF3 | 20 | 6.04 ± 0.04 a | 15.01 ± 0.19 a | 3.44 ± 0.06 ab | 40.15 ± 0.53 a |
| SLF3 | 50 | 5.99 ± 0.15 ab | 14.15 ± 0.11 a | 3.38 ± 0.21 ab | 40.55 ± 0.31 a |
| SLF4 | 10 | 5.99 ± 0.05 ab | 14.67 ± 0.17 a | 3.69 ± 0.08 ab | 40.05 ± 0.78 a |
| SLF4 | 20 | 5.94 ± 0.04 ab | 14.13 ± 0.19 a | 3.58 ± 0.28 ab | 40.63 ± 0.55 a |
| SLF4 | 50 | 5.93 ± 0.05 ab | 14.78 ± 0.32 a | 3.33 ± 0.19 b | 40.23 ± 0.60 a |