Table 6.
Plant survival rate of Digitaria sanguinalis population at 21 days after treatment.
| Herbicide | Dose a (g a.i. ha−1) | survival rate (%) ± SE | |
|---|---|---|---|
| HLJ | SD22 | ||
| Rimsulfuron | 11.25 | 100.00 ± 0.00 | 100.00 ± 0.00 |
| 22.50 | 88.89 ± 3.93 | 66.67 ± 6.80 | |
| 45.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | |
| Topramezone | 13.50 | 79.17 ± 4.17 | 100.00 ± 0.00 |
| 27.00 | 37.50 ± 0.00 | 70.83 ± 8.33 | |
| 54.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | |
| Mesotrione | 56.25 | 100.00 ± 0.00 | 75.00 ± 7.22 |
| 112.50 | 56.25 ± 15.31 | 43.75 ± 5.10 | |
| 225.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | |
| Acetochlor | 562.50 | 20.83 ± 2.95 | 0.00 ± 0.00 |
| 1125.00 | 8.33 ± 5.89 | 0.00 ± 0.00 | |
| 2250.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | |
| Glyphosate | 337.50 | 0.00 ± 0.00 | 0.00 ± 0.00 |
| 675.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | |
| 1350.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | |
a
Bold numbers indicate the recommended field dose.