| Treatments | Chlorophyll (Spad units) | Height (cm) | Leaf area (cm2) | Dry matter of roots (g) | Dry matter of aerial part (g) |
| Control (wate) | 27.9b | 12.4a | 11.7a | 0.1525b | 0.7525a |
| PBZ (150 mg∙L−1) | 35.3a | 9.5b | 9.8b | 0.1825a | 0.7775a |