{"title":"Tropical Signalgrass Control","description":"\u003cp\u003eTropical signalgrass is a spreading warm-season perennial grass that invades southern lawns, sports turf, and golf roughs. Creeping stems root at nodes and form coarse patches.\u003c\/p\u003e\n\u003ch2\u003eHow to Identify Tropical Signalgrass\u003c\/h2\u003e\n\u003cp\u003ePlants have broad blades, hairy lower sheaths, and seedheads with several one-sided branches. Prostrate stems spread through the turf canopy and root where nodes contact soil.\u003c\/p\u003e\n\u003ch2\u003eWhy It Appears in Turf\u003c\/h2\u003e\n\u003cp\u003eWarm wet conditions, thin turf, and movement of stolon fragments favor rapid spread. Mowing can distribute fragments and seed.\u003c\/p\u003e\n\u003ch2\u003eMake the Site Less Favorable\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMaintain the recommended mowing height and avoid scalping.\u003c\/li\u003e\n\u003cli\u003eCorrect irrigation, drainage, compaction, fertility, or shade problems that thin desirable turf.\u003c\/li\u003e\n\u003cli\u003eRepair bare areas and use adapted turf cultivars to close openings where seedlings establish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat University Research and Extension Guidance Says\u003c\/h2\u003e\n\u003cp\u003eThe 2026 UF\/IFAS lawn weed guide lists tropical signalgrass among troublesome perennial grasses and stresses matching herbicide choice to the desirable turf species. Established patches often require sequential treatment plus recovery of turf density.\u003c\/p\u003e\n\u003ch2\u003eChoosing a Turf Herbicide\u003c\/h2\u003e\n\u003cp\u003ePerennial weeds often regrow from stolons, rhizomes, tubers, bulbs, or deep roots. Select a product labeled for the desirable turf and target weed, treat actively growing plants, and plan the complete sequence of repeat applications or renovation steps allowed by the label.\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003e\u003cstrong\u003eResearch and label note:\u003c\/strong\u003e University research may discuss treatments or timings that are not permitted on every turf species or use site. Research evidence does not expand a product label. Confirm the desirable turf species, use site, target weed, application timing, rate, adjuvant directions, and reseeding restrictions on the current label before use.\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003e\u003cstrong\u003eUniversity sources:\u003c\/strong\u003e \u003ca href=\"https:\/\/edis.ifas.ufl.edu\/publication\/EP141\/pdf\"\u003eUF\/IFAS Extension: 2026 Weed Management Guide for Florida Lawns\u003c\/a\u003e.\u003c\/small\u003e\u003c\/p\u003e","products":[{"product_id":"dismiss-south-herbicide","title":"Dismiss South Herbicide bottle (16 oz)","description":"\u003ch2\u003eDismiss South Herbicide\u003c\/h2\u003e\n\u003cp\u003eDismiss South Herbicide is a professional selective postemergence herbicide containing 33.33% sulfentrazone and 6.67% imazethapyr for control or suppression of sedges, broadleaf weeds, and certain annual grasses in established warm-season turf. It is labeled for residential, commercial, and institutional lawns, athletic fields, and golf course fairways and roughs, with particular value for purple nutsedge, yellow nutsedge, and green kyllinga management.\u003c\/p\u003e\n\u003cp\u003eDismiss South combines HRAC Group 14 PPO-inhibiting chemistry with HRAC Group 2 ALS-inhibiting chemistry and is absorbed through both weed roots and shoots. This dual-active premix provides foliar activity together with soil activity, making it especially useful in professional nutsedge programs where reducing regrowth and extending control are priorities.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: #255e2f; font-size: 18px;\"\u003e✓\u003c\/span\u003e Dual-active postemergence herbicide formulated for difficult sedge control in established warm-season turf\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #255e2f; font-size: 18px;\"\u003e✓\u003c\/span\u003e Controls or suppresses purple nutsedge, yellow nutsedge, green kyllinga, and other labeled sedges\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #255e2f; font-size: 18px;\"\u003e✓\u003c\/span\u003e Combines HRAC Groups 14 and 2 for two complementary herbicidal modes of action\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #255e2f; font-size: 18px;\"\u003e✓\u003c\/span\u003e Absorbed through both weed roots and shoots for foliar and soil-active weed control\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #255e2f; font-size: 18px;\"\u003e✓\u003c\/span\u003e Provides approximately 60 days of sedge control at labeled turf rates depending on rate and conditions\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #255e2f; font-size: 18px;\"\u003e✓\u003c\/span\u003e Labeled for bermudagrass, zoysiagrass, bahiagrass, buffalograss, centipedegrass, and kikuyugrass\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #255e2f; font-size: 18px;\"\u003e✓\u003c\/span\u003e Also controls or suppresses numerous labeled broadleaf and grassy weeds for broader postemergence turf weed management\u003c\/p\u003e\n\u003ch2\u003eLabeled Use Sites\u003c\/h2\u003e\n\u003cp\u003eDismiss South is labeled for established warm-season turfgrass in residential, commercial, and institutional lawns, athletic fields, golf course fairways, and golf course roughs. Tolerant turfgrasses listed on the label include bahiagrass, bermudagrass and hybrids, buffalograss, centipedegrass, kikuyugrass, and zoysiagrass. Do not apply to golf course putting greens or tees. The current label excludes use on St. Augustinegrass and seashore paspalum. Dismiss South is also labeled for certain railroad, highway, roadside, pipeline and utility rights-of-way, industrial areas, fence rows, and other non-crop sites.\u003c\/p\u003e\n\u003ch2\u003eTarget Weeds\u003c\/h2\u003e\n\u003cp\u003eDismiss South controls or suppresses labeled sedges including purple nutsedge, yellow nutsedge, green kyllinga, false green kyllinga, globe sedge, cylindric sedge, Surinam sedge, and Texas sedge. It also controls or suppresses numerous broadleaf weeds including dandelion, dollarweed, clover, chickweed, ground ivy, henbit, spurge, plantain, woodsorrel, wild onion, wild garlic, and others, as well as labeled grassy weeds including goosegrass, with suppression of dallisgrass and tropical signalgrass where specified on the label.\u003c\/p\u003e\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cp\u003eFor established turf, apply 4 to 14.4 fl oz per acre, equivalent to 0.092 to 0.331 fl oz per 1,000 sq ft, without exceeding the turfgrass-specific rate shown on the label. For optimum purple nutsedge control, split applications may be required. Warm-season turf options include 9.5 fl oz per acre followed by 4.9 fl oz per acre 35 days later, or 7.2 fl oz per acre followed by 7.2 fl oz per acre 35 days later. Good spray coverage is essential for optimum sedge and grassy weed control.\u003c\/p\u003e\n\u003cp\u003eDo not apply to putting greens or tees, stressed turf, or turf species not listed on the label. Reseeding, overseeding, or sprigging within one month after application may inhibit turf establishment. Surfactants can increase the risk of temporary turf discoloration and should not be used unless previous experience has demonstrated the combination to be physically compatible and non-injurious to the turfgrass being treated. Do not apply through irrigation systems. Always read and follow the complete product label.\u003c\/p\u003e\n\u003ch2\u003eProduct Information\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eActive Ingredient:\u003c\/strong\u003e Sulfentrazone 33.33% + Imazethapyr 6.67%\u003cbr\u003e\u003cstrong\u003eHRAC Group:\u003c\/strong\u003e 14 + 2\u003cbr\u003e\u003cstrong\u003eChemical Family:\u003c\/strong\u003e Triazolinone + Imidazolinone\u003cbr\u003e\u003cstrong\u003eMode of Action:\u003c\/strong\u003e Sulfentrazone inhibits protoporphyrinogen oxidase (PPO); imazethapyr inhibits acetolactate synthase (ALS), with uptake through weed roots and shoots\u003cbr\u003e\u003cstrong\u003eFormulation:\u003c\/strong\u003e Suspension Concentrate (SC)\u003cbr\u003e\u003cstrong\u003eSignal Word:\u003c\/strong\u003e CAUTION\u003cbr\u003e\u003cstrong\u003eEPA Registration Number:\u003c\/strong\u003e 101563-307\u003cbr\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Environmental Science U.S., LLC\u003cbr\u003e\u003cstrong\u003eRecommended Surfactant:\u003c\/strong\u003e Do not apply with surfactants unless previous experience has demonstrated the combination to be physically compatible and non-injurious to the turfgrass being treated.\u003c\/p\u003e","brand":"Envu","offers":[{"title":"Default Title","offer_id":49927486898314,"sku":"dismisssouth16","price":196.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/9331\/8282\/files\/dismiss_s_16.jpg?v=1786481843"},{"product_id":"bounce-s-herbicide","title":"Bounce S Herbicide bottle (16 oz)","description":"\u003ch2\u003eBounce S Herbicide\u003c\/h2\u003e\n\u003cp\u003eBounce S Herbicide is a professional selective pre- and post-emergence herbicide containing 33.33% sulfentrazone and 6.67% imazethapyr for control or suppression of sedges, broadleaf weeds, and annual grasses in established turf. Bounce S is a generic equivalent to Dismiss South Herbicide and is labeled for residential, commercial and institutional lawns, athletic fields, commercial sod farms, golf course fairways and roughs, and other professional turf sites.\u003c\/p\u003e\n\u003cp\u003eBounce S combines HRAC Group 14 PPO-inhibiting chemistry with HRAC Group 2 ALS-inhibiting chemistry and is absorbed through both weed roots and shoots. Its combination of foliar and soil activity makes it especially useful for purple nutsedge, yellow nutsedge, green kyllinga, goosegrass, broadleaf weeds, and other difficult turf weeds while also providing pre-emergence activity against labeled annual weeds.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: #255e2f; font-size: 18px;\"\u003e✓\u003c\/span\u003e Dual-active herbicide combines sulfentrazone and imazethapyr for broad-spectrum turf weed control\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #255e2f; font-size: 18px;\"\u003e✓\u003c\/span\u003e Provides both pre-emergence and post-emergence activity against labeled sedges, broadleaf weeds, and annual grasses\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #255e2f; font-size: 18px;\"\u003e✓\u003c\/span\u003e Controls or suppresses purple nutsedge, yellow nutsedge, green kyllinga, false green kyllinga, and other labeled sedges\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #255e2f; font-size: 18px;\"\u003e✓\u003c\/span\u003e Combines HRAC Groups 14 and 2 for two complementary herbicidal modes of action\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #255e2f; font-size: 18px;\"\u003e✓\u003c\/span\u003e Absorbed through weed roots and shoots for both foliar and soil-active weed management\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #255e2f; font-size: 18px;\"\u003e✓\u003c\/span\u003e Labeled for professional turf sites including lawns, athletic fields, sod farms, golf course fairways, and roughs\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #255e2f; font-size: 18px;\"\u003e✓\u003c\/span\u003e Generic equivalent to Dismiss South Herbicide with the same sulfentrazone and imazethapyr active ingredient percentages\u003c\/p\u003e\n\u003ch2\u003eLabeled Use Sites\u003c\/h2\u003e\n\u003cp\u003eBounce S is labeled for established turf in residential, commercial, and institutional lawns, athletic fields, commercial sod farms, golf course fairways, and golf course roughs. The label lists tolerant warm-season turfgrasses including bahiagrass, bermudagrass and hybrids, buffalograss, carpetgrass, centipedegrass, kikuyugrass, and zoysiagrass, as well as Kentucky bluegrass, rough bluegrass, fine fescue, tall fescue, and perennial ryegrass at the applicable lower cool-season rates. Do not apply to golf course putting greens or tees. The product is not for use on St. Augustinegrass or seashore paspalum. Bounce S is also labeled for railroad rights-of-way, highways, roadsides, pipeline and utility rights-of-way, industrial areas, fence rows, and other non-crop sites.\u003c\/p\u003e\n\u003ch2\u003eTarget Weeds\u003c\/h2\u003e\n\u003cp\u003eBounce S controls or suppresses labeled purple nutsedge, yellow nutsedge, green kyllinga, false green kyllinga, globe sedge, cylindric sedge, Surinam sedge, Texas sedge, crabgrass, goosegrass, annual bluegrass, barnyardgrass, foxtails, dandelion, dollarweed, clover, chickweed, ground ivy, henbit, spurge, plantain, wild onion, wild garlic, woodsorrel, and numerous other labeled broadleaf and grassy weeds. Dallisgrass and tropical signalgrass are labeled for suppression. Specific control or suppression varies by timing, turf species, rate, and application method.\u003c\/p\u003e\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cp\u003eFor established turf, apply 4.156 to 14.961 fl oz per acre, equivalent to 0.096 to 0.344 fl oz per 1,000 sq ft, without exceeding the turfgrass-specific maximum rate. Cool-season turfgrasses are generally treated at 4.156 to 9.87 fl oz per acre, while labeled warm-season turfgrasses may be treated at 9.87 to 14.961 fl oz per acre. For optimum purple nutsedge control, split applications may be required. Warm-season split programs include 9.87 fl oz per acre followed by 5.091 fl oz per acre 35 days later, or 7.481 fl oz per acre followed by 7.481 fl oz per acre 35 days later.\u003c\/p\u003e\n\u003cp\u003eFor pre-emergence control, Bounce S is most effective when activated by up to 0.5 inch of rainfall or irrigation within 7 days after application and before weed germination. Do not apply to stressed turf, putting greens, tees, St. Augustinegrass, or seashore paspalum. Do not apply with surfactants unless previous experience has demonstrated the combination to be physically compatible and non-injurious to the turfgrass being treated. Sod should be established before treatment, and Bounce S must not be applied within 3 months of sod harvest. Always read and follow the complete product label.\u003c\/p\u003e\n\u003ch2\u003eProduct Information\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eActive Ingredient:\u003c\/strong\u003e Sulfentrazone 33.33% + Imazethapyr 6.67%\u003cbr\u003e\u003cstrong\u003eHRAC Group:\u003c\/strong\u003e 14 + 2\u003cbr\u003e\u003cstrong\u003eChemical Family:\u003c\/strong\u003e Triazolinone + Imidazolinone\u003cbr\u003e\u003cstrong\u003eMode of Action:\u003c\/strong\u003e Sulfentrazone inhibits protoporphyrinogen oxidase (PPO); imazethapyr inhibits acetolactate synthase (ALS), with uptake through weed roots and shoots\u003cbr\u003e\u003cstrong\u003eFormulation:\u003c\/strong\u003e Suspension Concentrate (SC)\u003cbr\u003e\u003cstrong\u003eSignal Word:\u003c\/strong\u003e CAUTION\u003cbr\u003e\u003cstrong\u003eEPA Registration Number:\u003c\/strong\u003e 83529-369\u003cbr\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Sharda USA LLC\u003cbr\u003e\u003cstrong\u003eGeneric For:\u003c\/strong\u003e Dismiss South Herbicide\u003cbr\u003e\u003cstrong\u003eRecommended Surfactant:\u003c\/strong\u003e Do not apply with surfactants unless previous experience has demonstrated the combination to be physically compatible and non-injurious to the turfgrass being treated.\u003c\/p\u003e","brand":"Sharda USA","offers":[{"title":"Default Title","offer_id":49927507181706,"sku":"bounces16","price":159.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/9331\/8282\/files\/bounce_s.jpg?v=1786483540"}],"url":"https:\/\/www.intermountainturf.com\/collections\/tropical-signalgrass-control.oembed","provider":"Intermountain Turf Supply","version":"1.0","type":"link"}