| Treatment | Zn0 | Zn1 | Zn2 | Zn3 | Mean |
| Pioneer-32F 10 | 84.00 ab | 84.00 ab | 85.33 a | 84.00 ab | 84.33 A |
| Monsanto-6525 | 85.00 a | 84.00 ab | 84.00 ab | 84.00 ab | 84.25 A |
| Hycorn-8288 | 82.67 bc | 83.67 ab | 81.33 cd | 80.33 d | 82.00 B |
| Mean | 83.89 | 83.89 | 83.56 | 82.78 | |
| LSD value for | Hybrid = 0.91 | H × Z = 1.83 |