Preemergence Control - Grassy Weeds |
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| Weed | Product | Amount per 1000ft² | Precautions and Remarks |
| Smooth and Large Crabgrass, Foxtails, and other annual grasses | besulide + oxadiazon (Goosegrass/Crabgrass Control) 6.56G | 2.6lb |
Controls crabgrass and goosegrass. Use on established bermudagrass, zoysiagrass, tall fescue, bentgrass, Kentucky bluegrass, or perennial ryegrass, fairways, and tees. Use also on bermudagrass and bentgrass greens |
| dithiopyr (Dimension) 1EC | 1.5fl oz. | See label for injury precautions regarding certain varieties. | |
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pendimethalin (Weedgrass Control) 60WP (Pre-M) 60WP (Pendulum) 60 WDG (Pendulum) 3.3EC |
1.8oz. 1.8oz. 1.8oz. 2.7fl oz. |
Use on established bahiagrass, bermudagrass, centipedegrass, fine fescue, Kentucky bluegrass, perennial ryegrass, St. Augustinegrass, tall fescue, and zoysiagrass. Do not apply to winter- overseeded grasses | |
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prodiamine (Barricade) 65WG |
0.28 to 0.4oz. |
May be used on established bermudagrass, centipedegrass, St. Augustinegrass, zoysia, tall fescue, creeping red fescue, perennial ryegrass, Kentucky bluegrass, and creeping bentgrass. Do not apply to golf greens | |
| Annual Bluegrass | benefin (Balan) 2.5G | 2.75lb | Apply during late summer or early fall before germination of Poa annua. Perennial ryegrass can be overseeded 6 weeks after Balan 2.5G application |
| dithiopyr (Dimension) 1EC | 1.5fl oz. | Apply during late summer or early fall before germination of Poa annua. Do not apply to turf areas that are to be overseeded. | |
| oryzalin (Surflan) 4AS | 1.1 fl oz. | ||
| ozadiazon (Ronstar) 2G | 2.25 lb. | ||
| prodiamine (Barricade) 65WG | 0.28 oz. | ||
| Annual Bluegrass in overseeded bermudagrass greens and tees | fenarimol (Rubigan) 50 WSP (Rubigan) 1AS |
1 to 1.5 oz. 4 to 6 oz. |
Use as a preemergence program in bermudagrass greens and tees to be overseeded. Use two or three applications to reach a total of 3 oz. per 1000ft² for the 1 AS. Rubigan should be applied before germination of Poa annua and the last application 14 days before overseeding with perennial ryegrass or 30 days prior to overseeding with Poa trivialis or bentgrass. See label for other precautions. |
| Winter Annual Weeds pre and postemergence |
atrazine (Purge) 2L (AAtrex) 4L |
3 fl oz. 0.75 to 1.5fl oz. |
Use on centipedegrass, St. Augutinegrass, and dormant bermudagrass. Follow label directions |
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simazine (Princep) 4L (Princep) 90DF (Regal Wynstar) 90DF |
0.75 to 1.5fl oz. 0.4 to 0.8 oz. |
Use on bermudagrass, centipedegrass, St. Augustinegrass, and zoysiagrass. See label for instructions on newly sprigged turfgrass or on hybrid bermudagrass. Follow label directions. | |
| Certain Broadleaf Weeds | Isoxaben (Gallery) 75DF | 0.25 to 0.5oz. | All established turfgrasses are tolerant. Check label for specific weeds controlled. |
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PostemergenceControl - Grassy Weeds |
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| Crabgrass, Goosegrass | metribuzin (Sencor) 75DF | 0.12 to 0.24oz. | Recommended for application by commercial applicators only on established bermudagrass turf that has a mowing height of 0.5in or greater. Apply when turf is vigorously growing and not under stress. Repeat if necessary in 7 to 10 days. Do not make more than two applications per season. Do not apply to greens, tees, or aprons. |
| Goosegrass | diclofop-methyl (Illoxan) 3EC | 0.75 to 1fl oz. | Apply in established bermudagrass. Rate depends upon number of goosegrass leaves from one to four leaves. Check label for specific rates. |
| Bahiagrass, Crabgrass, Dallisgrass, Goosegrass, Nutsedge, Annual Sedges, Sandbur | DSMA (Various brands) | several concentrations | Kentucky bluegrass, bermudagrass, and zoysia are tolerant. Bentgrasses and fescues slightly sensitive. Do not use on carpetgrass, centipedegrass, or St. Augustinegrass. Begin treatment when weedy grasses are young (three to four leaf stage). Use two applications 7 to 10 days apart. More mature plants may require additional applications. Three to four applications may be necessary for nutsedge and sandbur control. Spray when soil moisture is good and air temperature is 80 F or above. On new turf, do not treat until after three mowings. Grasses may show temporary discoloration. |
| MSMA (various brands) | Several concentrations | Use on bermudagrass, Kentucky bluegrass, fescues, perennial ryegrass, and zoysiagrass. Also controls broadleaf weeds. A second application may be necessary 10 to 14 days later for heavy infestations of dallisgrass or goosegrass. | |
| Crabgrass, Goosegrass, Sandbur, Dallisgrass | MSMA + 2,4-D + MCPP + dicamba (Trimec Plus) | 3 to 5fl oz. | Use on bermudagrass, Kentucky bluegrass, fescues, perennial ryegrass, and zoysiagrass. Also controls broadleaf weeds. A second application may be necessary 10 to 14 days later for heavy infestations of dallisgrass or goosegrass. |
| Yellow Nutsedge, Annual Sedge |
bentazon (Basagran T/O) 4S (Lescogran) 4SL |
0.75 to 1.5fl oz. |
For control of yellow nutsedge in established Kentucky bluegrass, fescues, bentgrass, ryegrass, bermudagrass, bahiagrass, St. Augustinegrass, centipedegrass, and zoysiagrass. Apply to yellow nutsedge when acitively growing under good soil moisture conditions. Additional applications may be made at intervals of 10 to 14 days until nutsedge is controlled. |
| Purple Nutsedge, Yellow Nutsedge, Green Kyllinga | imazaquin (Image) 1.5LC | 0.5 to 1fl oz. | Use on bermudagrass, centipedegrass, St. Augustinegrass, and zoysiagrass. Do not apply during spring greenup. Temporary yellowing may occur. Add a nonionic surfactant at 2pt per 100 gal of spray solution. Addition of MSMA at 1.5lb ai/acre will improve sedge control in MSMA tolerant turfgrasses. |
| halosulfuron (Manage) 75DF | 0.9g | May be applied to bermudagrass, zoysiagrass, centipedegrass, St. Augustinegrass, creeping bentgrass, Kentucky bluegrass, perennial ryegrass, tall fescue, and fine fescue. Apply broadcast when sedges have reached the three to eight leaf stage. Use lower rate for light infestation and higher rate for heavy infestations. A second treatment will usually be required6 to 10 weeks after the initial treatment. Use an 80% active nonionic surfactant at 2 qt per 100 gal of spray solution. Do not exceed 1 to 2 pt of surfactant per acre. Do not apply to putting greens. Manage only suppresses green kyllinga. | |
| Bermudagrass suppression |
fenoxaprop (Acclaim Extra) 0.57EC |
0.46fl oz. | Use on Kentucky bluegrass, perennial ryegrass, fine and tall fescue, and zoysiagrass. Apply as soon as common bermudagrass begins to grow in the spring. Reapply every 28 to 35 days as needed. |
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fluazifop (Fusilade II) 2EC |
0.05 to 0.14oz. | Use on tall fescue or zoysia. For fescue, apply 5 to 6 oz. per acre during warm weather in early spring when bermudagrass is breaking dormancy and repeated in fall when bermudagrass is preparing for dormancy. For zoysia, apply 3 to 4 oz per acre beginning in late spring and repeat every 20 to 30 days. Late summer applications should be made at 2 to 3 oz per acre. Zoysia or tall fescue may show slight discoloration, but should recover in 10 to 14 days. Use a minimum of 30 gal of water per acre. | |
Postemergence Control - Broadleaf Weeds |
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| Dandelion, Carpetweed, Carolina Cranesbill, Curly Dock, Plantain, Dichondra, Shepherdspurse, and Yellow Rocket |
2,4-D Amine (Various brands) 4L |
3 to 4 tsp |
Cut rate one-half for bentgrass, carpetgrass, centipedegrass, and St. Augustinegrass. Spray when weeds are actively growing. To reduce danger or injury to flowers and ornamentals by spray drift, use low pressure and do not spray on windy days. |
| Chickweeds, Creeping Charlie, Ground Ivy, Dandelion, Lespedeza, Black Medic, Spotted Spurge, Hop Clover, and White Clover | dicamba (Banvel) 4S | 1 to 2 tsp | Apply as foliar spray to growing weeds. Prevent injury to ornmentals. Avoid rooting zone of shallow-rooted trees and shrubs. |
| Most Broadleaf Weeds |
2,4-D +
MCPP 2,4-D + cichlorprop 2,4-D + dicamba 2,4-D + triclopyr triclopyr + clopyralid 2,4-D + MCPP + dicamba 2,4-D + MCPP + dichlorprop MCPA + MCPP + dicamba MCPA + MCPP + dichlorprop (various brands) |
varies | Check product labels for rates, precautions, and other use suggestions. These combination products are very effective on most broadleaf weeds. |
| Chickweed, Corn Speedwell, Henbit, Parsley-Piert, Spurweed | metribuzin (Sencor) 75DF | 0.25oz. | For application by commercial applicators to dormant bermudagrass turf. Broadcast spray before greenup of turf. Do not apply to greens, tees, or aprons. |
| Winter and Summer Annual Broadleaf Weeds |
bentazon
+ atrazine (Promt) 3.32F (Prompt) 5L |
0.9 to 1.3fl oz. 0.7 to 0.9fl oz. |
Apply to bermudagrass, centipedegrass, St. Augustinegrass, and Zoysiagrass. Check label for weeds controlled and weed size for proper application. |
| Black Medic, White and Hop Clover, Buckhorn Plantain, Common Chickweed, Mouseear Chickweed, Henbit, Spurweed(lawn burweed), Broadleaf Plantain, Dandelion, Lespedeza, Prostrat Spurge, Wild Violet |
triclopyr
+ clopyralid (Confront) 3L |
0.4 to 0.74fl oz. |
May be
used on centipedegrass, bermudagrass, zoysiagrass, tall fescue, creeping red
fescue, chewings fescue, Kentucky bluegrass, perennial ryegrass. * Repeat treatment may be necessary. |
| Wild Garlic or Wild Onion |
2,4-D
amine (Various brands) 4L |
2.2fl oz. |
Apply late February or early March. Add a wetting agent to keep spray from bouncing off garlic leaves. Repeat treatment for 2 years. Avoid spray drift, which can injure susceptible plants. Use on Kentucky bluegrass, fescue, common bermudagrass, or zoysia. For more susceptible grasses, use spot treatment below. |
| Spot treatment | . | One tbsp of 1% 2,4-D solution per garlic clump or use pressurized applicator. Apply in December to April. This treatment will kill grasses in an area about 4 inches across. Turfgrasses fill in bare spots with a season's growth. | |
| imazaquin (Image) 1.5LC | 0.5 to 1fl oz. | Use on bermudagrass, centipederass, St. Augustinegrass, and zoysiagrass. Do not apply during spring greenup. Temporary yellowing may occur. Add a nonionic surfactant at 2pt per 100 gal of spray solution. | |