| Sowing date | Tillage system | Disease incidence |
| SD1 | Till | 18.640 ± 11.841 |
| No-till | 19.635 ± 12.624 | |
| SD2 | Till | 13.631 ± 11.978 |
| No-till | 20.822 ± 10.383 | |
| SD3 | Till | 17.50 ± 11.987 |
| No-till | 15.803 ± 9.155 | |
| SD4 | Till | 22.464 ± 16.718 |
| No-till | 22.368 ± 12.753 |