| Treatment | Average panicle length (Mean ± SD) | |
| California irrigation system | T0 | 15.54 ± 0.55b |
| T1 | 21.20 ± 0.67a | |
| T2 | 24.42 ± 2.33a | |
| Furrow irrigation | T0 | 15.24 ± 0.42b |
| T1 | 23.53 ± 1.45a | |
| T2 | 21.62 ± 0.88a | |
| F | 0.557 | |
| p | 0.003 | |