| Sowing date | Tillage system | Disease severity |
| SD1 | Till | 1.333 ± 0.671 |
| No-till | 1.736 ± 2.518 | |
| SD2 | Till | 1.047 ± 0.740 |
| No-till | 1.472 ± 0.581 | |
| SD3 | Till | 1.444 ± 0.554 |
| No-till | 1.222 ± 0.451 | |
| SD4 | Till | 1.625 ± 0.862 |
| No-till | 1.60 ± 0.573 |