| Table 8-3. Grass and sedge response to postemergence corn herbicides. | ||||||||||||||||||||||
| Accent | Atrazine1 | Banvel, Clarity, Distinct | Basagran1 | Basis Gold | Beacon | Buctril, Buctril 4EC | Celebrity, Celebrity Plus | 2,4-D | Evik2 | Exceed | Laddok S-12 | Liberty3 | Liberty ATZ3 | Lightning4 | Lorox2 | Marksman | Permit | Pinnacle | Poast5, Poast Plus5 | Resource | Roundup Ultra6 | |
| Species | ||||||||||||||||||||||
| Bermudagrass | N | N | N | N | N | N | N | N | N | N | N | N | NP | NP | N | N | N | N | N | G7 | N | G7 |
| Broadleaf signalgrass | GE | F | N | N | G | P | N | GE | N | E | N | N | GE | GE | G | GE | N | NP | N | E | N | E |
| Crabgrass | PF | FG8 | N | N | PF | P | N | PF | N | GE | N | P | G | GE | PF | GE | P | NP | N | GE | N | E |
| Fall panicum | G | P | N | N | G | FG | N | G | N | GE | PF | N | E | E | PF | GE | N | NP | N | E | N | E |
| Foxtails | G | G | N | N | G | F | N | G | N | E | PF | PF | E | E | G | E | PF | NP | N | E | N | E |
| Goosegrass | P | G | N | N | F | P | N | P | N | GE | NP | PF | PF | G | P | G | PF | NP | N | GE | N | E |
| Johnsongrass, rhizome | GE | N | N | N | FG | G | N | GE | N | NP | PF | N | F9 | F9 | G10 | NP | N | N | N | GE | N | E |
| Johnsongrass, seedling | E | P | N | N | G | E | N | E | N | GE | FG | N | GE | GE | GE | G | N | NP | N | E | N | E |
| Shattercane | E | P | N | N | G | E | N | E | N | G | FG | N | -- | -- | G | FG | NP | NP | N | E | N | E |
| Texas panicum | G | NP | N | N | FG | P | N | G | N | G | N | N | -- | -- | PF | G | N | NP | N | E | N | E |
| Nutsedge, purple | N | N | N | NP | P | P | N | N | N | PF | N | N | P | P | FG | P | N | E | N | N | N | G7 |
| Nutsedge, yellow | P | PF | N | G11 | P | PF | N | P | N | F | NP | F | P | PF | F | F | N | E | N | N | N | G7 |
| 1 Assumes crop oil added according to label. | ||||||||||||||||||||||
| 2 Postemergence-directed only | ||||||||||||||||||||||
| 3 Apply only to Liberty Link hybrids. | ||||||||||||||||||||||
| 4 Apply only to Clearfield (imidazolinone-tolerant or imidazolinone-resistant) hybrids. | ||||||||||||||||||||||
| 5 Apply only to Poast Protected hybrids. | ||||||||||||||||||||||
| 6 Apply only to Roundup Ready hybrids. | ||||||||||||||||||||||
| 7 Multiple applications usually needed for adequate control. | ||||||||||||||||||||||
| 8 No control of smooth crabgrass. | ||||||||||||||||||||||
| 9 Liberty applied twice is usually good on johnsongrass. | ||||||||||||||||||||||
| 10 Follow-up treatment of Accent or Beacon may be needed for acceptable control. | ||||||||||||||||||||||
| 11 Two applications usually needed for good control. | ||||||||||||||||||||||
| Key: | E = excellent, 90% or better control | |||||||||||||||||||||
| G = good, 80 to 90% control | ||||||||||||||||||||||
| F = fair, 50 to 80% control | ||||||||||||||||||||||
| P = poor, 25 to 50% control | ||||||||||||||||||||||
| N = none, less than 25% control | ||||||||||||||||||||||
| -- = insufficient data to rate | ||||||||||||||||||||||