| 施药量 (ga.i./hm2) | 镇稻18 | 太湖糯 | 镇籼优988 | |||
| 鲜重(mg/株) | 抑制率% | 鲜重(mg/株) | 抑制率% | 鲜重(mg/株) | 抑制率% | |
| 75 | 1014a | 0.37 | 902.5a | 1.34 | 1199.5a | 1.56 |
| 150 | 998.75a | 1.87 | 887.25a | 3.01 | 1170a | 3.98 |
| 225 | 984a | 3.32 | 874.25a | 4.43 | 1159.75a | 4.82 |
| 300 | 943a | 7.34 | 853.25a | 6.72 | 1120.25a | 8.06 |
| 0 | 1017.75a | - | 914.75a | - | 1218.5a | - |