| Treatment | Rate | Application time | SN | TSDWT | ||||
|
| (DAPE) | above ground | underground | (g) | ||||
| Glyphosate (g・ai・ha−1) | 125 | 20 | 0 | b | 0 | b | 0 | b |
| 135 | 20 | 5 | ab | 4.3 | ab | 2 | ab | |
| 150 | 20 | 0 | b | 0 | b | 0 | b | |
| 125 | 20/40 | 0 | b | 0 | b | 0 | b | |
| 135 | 20/40 | 0 | b | 0 | b | 0 | b | |
| 150 | 20/40 | 0 | b | 0 | b | 0 | b | |
| 125 | 20/40/60 | 0 | b | 0 | b | 0 | b | |
| 135 | 20/40/60 | 0 | b | 0 | b | 0 | b | |
| 150 | 20/40/60 | 0 | b | 0 | b | 0 | b | |
| Sulfuric acid | 2L/box | 14.8 | a | 14.8 | a | 2.6 | ab | |
| Phosphoric acid | 2L/box | 10.0 | a | 12.3 | a | 2.8 | ab | |
| Methyl Bromide | 900 g/10 m2 | 0.0 | b | 0.0 | b | 0.0 | b | |
| Control without Phelipanche | 0 | 0.0 | b | 0.0 | b | 0.0 | b | |
| Control with Phelipanche | 0 | 17.8 | a | 12.3 | a | 4.6 | a | |