Sulfentrazone 4SC Select - Generic Dismiss

Description

Sulfentrazone 4SC SELECT™ is a selective, flowable herbicide that contains 4 pounds of active ingredient per gallon. Can be used to control sedge, broadleaf and grassy weeds in established turfgrasses (seeded, sodded or sprigged), including residential and institutional lawns, athletic fields, golf course fairways and roughs, commercial sod farms and many non-crop and industrial sites. The best control is achieved with grassy weeds when applied to grasses that are actively growing and small (pre-tiller stage). For optimum control of broadleaf weeds, applications should be made shortly after weed emergence.
* Visible results in 24-48 hours Controls weeds both pre- and post-emergence
* Tough on weeds, gentle on established turfgrass
* Available in 6 oz. and 64 oz. bottles
LABELED USES
Warm and cool season turfgrasses Golf course fairways and roughs Residential and commercial lawns Athletic fields Commercial sod farms Non-Crop areas - including utilities and managed rights-of-way
Cool season grasses:
Bentgrass, creeping*, Fescue Fine** (Festuca rubra), Fescue, Tall** (Festuca arundinacea), Ryegrass, Perennial (Lolium perenne), Bluegrass, Kentucky (Poa pratensis), Bluegrass, Rough*** (Poa trivialis)
4 - 8 oz per acre (Unless Noted) - See below under sedge control
Warm season grasses:
Bahiagrass*** (Paspalum notatum), Buffalograss (Buchloe dactyloides), Carpetgrass (Axonopus affinis), Centipedegrass (Eremochloa ophiuroides), Kikuyugrass (Pennisetum clandestinum), Seashore Paspalum (Paspalum vaginatum), Zoysiagrass*** (Zoysia japonica), Bermudagrass (Cynodon dactylon), Bermudagrass Hybrids (Cyn bluegrass), St. Augustinegrass*** (Stenotaphrum secundatum)
8 - 12 oz per acre (Unless Noted) - See below under sedge control
* * Apply a maximum of 4 oz. Sulfentrazone 4SC Select to creeping bentgrass.
* ** An undesirable plant response can occur if applying Sulfentrazone 4SC Select to certain varieties of Chewings fine fescue or tall fescue.
* *** St. Augustine grass and some varieties of bahiagrass, rough bluegrass or zoysiagrass, particularly turfgrass that has been stress-weakened can experience temporary leaf surface discoloration (removed upon mowing) upon application of Sulfentrazone 4SC Select. Chemicals, certain cultural practices, disease, mechanical exposure and cultivation and weather can all be causes of stress-weakened turf.
Not all varieties or cultivars have been tested with Sulfentrazone 4SC Select. Consult with university or weed management specialists for information on using Sulfentrazone 4SC Select with specific local varieties or cultivars of turfgrass. Prior to treatment on new turfgrass varieties, test response to Sulfentrazone 4SC Select by applying to a small area of turfgrass.
Do not apply more than 0.375 lb. sulfentrazone (12.0 fl. oz. product) per acre per 12 month period. The 12 month period starts at the point of first application.
Pre-Emergence Weed Control
Summer Annual Weeds
Apply in early spring, prior to germination of weed seeds.
Broadleaf Weeds:
Black medic (Meidcago lupulina) Pigweed, redroot (Amaranthus retroflexus) Prostrate knotweed (Polygonum aviculare) Spurge, prostrate (Euphorbia humistrata) Common purslane (Portulaca oleracea) Pigweed, smooth (Amaranthus hybridus) Spurge (Euphorbia spp)
Spurge, spotted (Euphorbia maculata)
Grassy Weeds:
Barnyardgrass (Echninochroa crusgalli) Crabgrass, smooth (Digitana ischaemum) Foxtail, yellow (Setana glauca) Crabgrass, large (Digitrana sanguinalis) Foxtail, green (Setana vindis) Goosegrass (Eleusine indica)
Winter Annual Weeds
Apply in late summer or early fall.
Broadleaf Weeds:
Buttercups (Ranunculus spp.) Chickweed, common (Stellana media) Common groundsel (Senecio vulgaris) Hairy bittercress (Cardamine hirsuta) Knawel (Scieranthus annuus) Parsley-piert (Alchemilla microcarpa) Violet, Johnny-jump-up (Viola rafeinesquii) Carolina geranium (Geranium carolinianum) Chickweed, mouseear (Cerastium vulgatum) Corn Speedwell (Veronica arvensis) Henbit (Lamium amplexicaule) Large Hop clover (Trifolium campestre) Spurweed (Soliva pterosperma)
Grassy Weeds:
Annual bluegrass (Poa annua) Annual ryegrass (Lolium multiflorum)
Post-emergence Weed Control
When applied as indicated on this label, the following weeds in turfgrass will be controlled or suppressed with Sulfentrazone 4SC Select:
Broadleaf Weeds:
Bedstraw, catchweed (Galium aparine) Bittercress (Cardamine spp.) Buttercup (Ranunculus spp.) Carpetweed (Mollugo verticillata) Beggarweed, Florida (Desmodium tortuosum) Black Medic (Medicago lupulina) Carolina Geranium (Geranium carolinianum) Chickweed, Common (Stellaria media) Chickweed, Mousear (Cerastium vulgatum) Clover (Trifolium spp.) Cudweed (Gnaphalium spp.) Dock, Curly (Rumex crispus) Eclipta (Eclipta prostrata) Fiddleneck (Amsinckia spp.) Galinsoga (Galinsoga ciliate) Goldenrod (Solidago spp.) Groundsel, common (Senecio vulgaris) Knawel (Scieranthus annuus) Kochia (Kochia scoparia) Lawn Burweed (Spurweed) (Soliva pterosperma) Mallow, Common (Malva neglecta) Parsley-piert (Alchemilla arvensis) Pigweed, Smooth (Amaranthus hybridus) Pineapple Weed (Matricaria matricariodes) Puncture Weed (Tribulus terrestris) Pusley, Florida (Richardia scabra) Rocket, London (Sisymbrium irio) Smartweed, Pennsylvania (Polygonum pensylvanicum) Speedwell (Veronica spp.) Spurge, Prostrate (Euphorbia humistrata) Star of Bethlehem (Ornithogalum unbellatum) Viol et, Wild (Viola pratincola) Woodsorrel, Creeping (Oxalis corniculata) Cinquefoil (Potentilla spp.) Copperleaf (Ascalypha spp.) Dandelion (Taraxacum officinale) Dollarweed (Hydrocotyl umbellata) Evening Primrose (Oenothera biennis) Filaree (Erodium spp.) Garlic, Wild (Allium vineale) Ground Ivy (Glechoma hederacea) Henbit (Lamium amplexicaule) Knotweed, Prostrate (Polygonum aviculare) Lambsquarters, Common (Chenopodium album) Lespedeza, Common (Lespedeza striata) Onion, Wild (Allium canadense) Pigweed, Redroot (Amaranthus retroflexus) Pigweed, Tumble (Amaranthus albus) Plantain, Buckhorn (Plantago lanceolata) Purslane, Common (Portulaca oleracea) Redweed (Melochia corchorifolia) Shepherd's Purse (Capsella bursa-pastoris) Sorrel, Red (Rumex acetosella) Spurge, Annual (Euphorbia spp.) Spurge, Spotted (Euphorbia maculata) Velvetleaf (Abutilon theophrasti) Violet, Johnny-jump-up (Viola rafeinesquii) Woodsorrel, Yellow (Oxalis stricta)
Grassy Weeds:
Goosegrass (Eleusine indica)
Sedges:
Kyllinga, False Green (Kyllinga gracillima) Nutsedge, Yellow (Cyperus esculentus) Sedge, Globe (Cyperus glubulosus) Sedge, Texas (Cyperus polystachyos) Kyllinga, Green (Kyllinga brevifolia) Nutsedge, Purple (Cyperus rotundus)* Sedge, Cylindrical (Cyperus retrorsus) Sedge, Surinam (Cyperus surinamensis)
*NOTE: Split applications give optimum control of purple nutsedge. When actively growing purple nutsedge is evident, apply as indicated below:
* Cool Season Grasses: 2 - 4 fl. oz. Sulfentrazone 4SC Select per acre first application, followed by second application of 4 - 6 fl. oz. per acre (do not exceed 8 fl. oz. total on cool season grasses).
* Warm Season Grasses: 6 - 8 fl. oz. Sulfentrazone 4SC Select per acre first application, followed by second application of 4 - 6 fl. oz. per acre (do not exceed 12 fl. oz. total on warm season grasses).
Observe maximum rate per acre based on turf variety, as indicated above. Allow 35 days between applications.
APPLICATION INSTRUCTIONS:
Apply Sulfentrazone 4SC Select as a broadcast treatment at rates indicated, in enough water to obtain good coverage and to make at least 10 gallons finished spray per acre. In order to assure appropriate amounts of moisture for activation, best results will be obtained if Sulfentrazone 4SC Select is applied in early spring, late summer or fall. Make application with a boom and nozzle sprayer or boomless application system. Make application at spray pressure of 25 psi or below, unless the manufacturer specifies otherwise. Achieve best possible spray delivery and coverage, with minimum amounts of fine spray droplets by utilizing properly chosen and adjusted nozzles, spray tips, and screens.
Best control is achieved with grassy weeds when applied with grasses are actively growing and small (pre tiller stage). Application rates lower than 12 fl. oz./ acre will control grasses for 60 days.
Optimum control of broadleaf weeds will occur if application is made shortly after weed emergence.
Applications to sprigged, overseeded or reseeded areas: turfgrasses can be sprigged, overseeded or reseeded after Sulfentrazone 4SC Select applications. Best results are obtained from waiting at least 1 month after Sulfentrazone 4SC Select application before sprigging, overseeding or reseeding. If slight plant response can be tolerated, overseeding of Bermudagrass with perennial ryegrass can be done between 2 to 4 weeks after Sulfentrazone 4SC Select application.
Observing proper fertilization, irrigation and soil cultivating practices, and using mechanical or power seeding equipment will give optimum overseeding or reseeding results.
Optimum weed control is obtained with thorough spray coverage.