| Guide to Weed Response to Postemerge Chemicals in Soybeans | ||||||||||||||||||||||
| Barnyardgrass | Broadleaf Signalgrass | Crabgrass | Fall Panicum | Foxtail | Johnsongrass (Seedling) | Johnsongrass (Rhizome) | Shattercane | Yellow Nutsedge | Black Nightshade | Burcucumber | Cocklebur | Copperleaf, Hophornbeam | Lambsquarters | Morningglory | Smooth Pigweed | Teaweed (Prickly Sida) | Common Ragweed | Giant Ragweed | Sicklepod | Smartweed | Velvetleaf | |
| Assure II | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Basagran | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 2 | 5 | 9 | 0 | 6 | 5 | 4 | 8 | 7 | 8 | 0 | 9 | 8 |
| Blazer Ultra | 2 | 2 | 4 | 5 | 7 | 6 | 0 | 6 | 2 | 9 | 6 | 7 | 8 | 5 | 8 | 8 | 0 | 9 | 8 | 1 | 9 | 6 |
| Classic | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 5 | 8 | 9 | 4 | 3 | 7 | 8 | 3 | 7 | 7 | 8 | 7 | 7 |
| Cobra | 2 | 2 | 2 | 2 | 3 | 5 | 0 | 4 | 2 | 9 | 7 | 8 | 9 | 6 | 7 | 8 | 6 | 9 | 8 | 1 | 7 | 7 |
| Extreme (RR soybean) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 8 | 8 | 8 | ||||||||
| First Rate | 1 | 0 | 1 | 0 | 2 | 2 | 0 | 3 | 3 | 3 | 9 | 3 | 8 | 4 | 4 | 9 | 9 | 7 | 8 | 9 | ||
| Flexstar | 0 | 0 | 3 | 3 | 5 | 5 | 0 | 4 | 8 | 8 | 8 | 8 | 5 | 8 | 9 | 2 | 8 | 8 | 1 | 8 | 7 | |
| Frontrow | 1 | 0 | 1 | 0 | 2 | 2 | 0 | 3 | 3 | 3 | 9 | 3 | 8 | 4 | 8 | 9 | 9 | 7 | 8 | 9 | ||
| Fusion | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Galaxy | 2 | 2 | 3 | 4 | 3 | 3 | 0 | 3 | 7 | 6 | 5 | 9 | 6 | 5 | 7 | 7 | 8 | 8 | 1 | 9 | 7 | |
| Poast Plus | 9 | 9 | 9 | 9 | 9 | 9 | 7 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Pursuit | 6 | 6 | 7 | 6 | 8 | 8 | 5 | 8 | 4 | 8 | 4 | 9 | 2 | 6 | 7 | 9 | 6 | 7 | 8 | 0 | 8 | 8 |
| Raptor | 8 | 7 | 7 | 7 | 9 | 8 | 6 | 9 | 5 | 9 | 6 | 8 | 2 | 8 | 8 | 9 | 6 | 7 | 8 | 9 | 8 | |
| Resource | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 7 | 6 | 6 | 7 | 7 | 8 | 7 | 5 | 9 | ||
| Roundup (RR soybean) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 6 | 8 | 8 | 9 | 7 | 8 | 7 | 8 | 7 | 7 | 8 | 9 | 8 | 8 |
| Scepter | 1 | 1 | 1 | 2 | 2 | 5 | 0 | 2 | 3 | 6 | 0 | 9 | 1 | 3 | 2 | 9 | 1 | 5 | 3 | 5 | 6 | 4 |
| Select | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Stellar | 1 | 1 | 1 | 1 | 2 | 4 | 0 | 3 | 1 | 8 | 6 | 8 | 6 | 6 | 9 | 6 | 8 | 7 | 6 | 9 | ||
| Storm | 2 | 2 | 3 | 4 | 5 | 5 | 0 | 5 | 6 | 7 | 6 | 8 | 8 | 6 | 7 | 8 | 7 | 8 | 8 | 1 | 9 | 6 |
| Synchrony (STS soybean) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 5 | 8 | 9 | 8 | 6 | 8 | 4 | 7 | 6 | 8 | 8 | 8 | |
| Touchdown (RR Soybean) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 6 | 8 | 8 | 9 | 7 | 8 | 7 | 8 | 7 | 7 | 8 | 9 | 8 | 8 |
| User should always consult the chemical manufaturer's label before use of any herbicide. | ||||||||||||||||||||||