| TRT No.a | AMAPA controlb | AMAPA density | |
| 3 WAP1c | 2 WAP2c | 2 WAP2c | |
| % | plants m−2 | ||
| 1 | - | - | 5.0 a |
| 2 | 100 a | 100 a | 0 c |
| 3 | 100 a | 100 a | 0 c |
| 4 | 98 ab | 100 a | 0 c |
| 5 | 99 ab | 100 a | 0 c |
| 6 | 100 a | 100 a | 0 c |
| 7 | 95 b | 94 b | 1 b |
| 8 | 96 ab | 100 a | 0 c |
| 9 | 100 a | 100 a | 0 c |