SKU: 29154414468
herbicide ontario

herbicide ontario Tenacity Herbicide– Seed World

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Description

herbicide ontario Tenacity Herbicide– Seed WorldTenacity Pre and Post Emergent Herbicide As both a pre and post emergent, Tenacity offers control of weeds both before they emerge from the soils surface and after theyve appeared above the soil. Mesotrione 40. 0% Other Ingredients 60. 0% The concentrate is specifically used for certain warm season and cool season turfgrass species listed on the product label: Kentucky bluegrass, centipedegrass, buffalograss, tall fescue, perennial ryegrass, fine

Tenacity Pre and Post Emergent Herbicide

As both a pre- and post-emergent, Tenacity offers control of weeds both before they emerge from the soil’s surface and after they’ve appeared above the soil.

Mesotrione -- 40.0%
Other Ingredients -- 60.0%

The concentrate is specifically used for certain warm season and cool season turfgrass species listed on the product label: Kentucky bluegrass, centipedegrass, buffalograss, tall fescue, perennial ryegrass, fine fescue and St. Augustinegrass.

DO NOT use Tenacity on bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum and bermudagrass as these turfgrasses are sensitive to Tenacity applications. *For a list of weeds controlled, see product label.

Technical

Active ingredient: Mesotrione ......40.0%

How to Use Tenacity Herbicide

An eight oz. bottle of Tenacity can cover one to two acres of a property when broadcasting for weed control after mixing with 30 gallons of water per acre. A bottle of Tenacity will also come with a syringe for spot treatments.

Pre-Emergent Applications:

Apply Tenacity at four to eight fl. oz. per acre in at least 30 gallons of water per acre prior to weed seed germination. Do not exceed five fl. oz. per acre per application to perennial ryegrass or fine fescues or mixed stands that contain greater than 50 percent perennial ryegrass and/or fine fescue. Do not exceed four fl. oz. per acre to St. Augustine grass sod. Make application close to anticipated weed seed germination.

Post-Emergent Applications:

Apply Tenacity at four to eight fl. oz. per acre in at least 30 gallons of water per acre. Apply with a nonionic surfactant like Southern Ag Surfactant. A repeat application after two to three weeks may be required for adequate weed control.

Tenacity will begin working to kill weeds immediately, but you may not see a difference for two or three weeks. You may also see some plants turn white after an application of Tenacity. Some weeds may need a follow-up application. If you are spot-treating, mix 1/2 a teaspoon of Tenacity with 1 1/2 teaspoons of surfactant in one gallon of water.

Surfactants are recommended to use in combination with Tenacity to increase herbicide effectiveness by reducing surface tension of water so that herbicides can penetrate the soil and kill weeds more effectively.

Read the product label thoroughly before applying. Excessive use of this product can cause a temporary burn or loss of color in your yard. It may cause non-permanent whitening of the turfgrass foliage. These symptoms appear five to seven days after the application and may last for several weeks.

Label | SDS

For more information, refer to the product label.




Product Label
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SKU: 29154414468

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alejandro quintanilla
Lake Worth, US
★★★★★ 5
Great quality
Easy to use, and design makes it functional to move and adjust as needed. Safe with children and the size is good for where I placed it on a small sliding table. Quality is pretty durable.
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Reviewed in the United States on November 8, 2025
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Verified Purchase
Rafael Torres
Omaha, US
★★★★★ 5
Does the job
Size: 10 Ft (Type B with Clamp), Color: White
I think the clamp could be some show shorter, but the product looks nice and minimalistic and works perfectly.
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Reviewed in the United States on April 13, 2026
M
Verified Purchase
MickeyF
Bozeman, US
★★★★★ 5
Solved Specific Need
Size: 10 Ft (Type B with Clamp), Color: White
Nice product which solved a problem of needing USB power clamped to a very thick work table. Most power strips with a clamp do not accommodate thick tables between 1.75" and 2" so I was happy to find this one. Successfully provides power to all my USB devices even a laptop (although charging is a bit slower compared to the OEM power adapter).
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Reviewed in the United States on January 30, 2026
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Verified Purchase
Lyman D. Elliott
West Palm Beach, US
★★★★★ 5
One minor bug
Size: 10 Ft (Type B with Clamp), Color: Black
I received this today and mounted it to the table I have next to my recliner. I plugged it into a remote control outlet so I can turn everything off at once. I used two of the AC outlets for the power recliner. I then plugged a USB powered fan into one of the USB-A ports. I plugged the power cable from a set of speakers positioned next to the headrest of the recliner into the other USB-A port. I used one of the USB C outlets to charge my tablet. When I hit the switch on the remote control to turn off power to the strip before going to bed I discovered a bug. The only way I can describe it is a cross port power bleed. After killing power to the strip my speakers were still playing, not well as they had static. I discovered by trial and error that if I unplugged my tablet the problem stopped. Apparently if you have something with a battery plugged into one of the USB ports and have something plugged into the other USB ports it pulls power from the device with the battery to try and power the other devices plugged in. Other than this one problem it seems to be just what I was looking for.
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Reviewed in the United States on May 30, 2025
G
Verified Purchase
Glen T.
Los Angeles, US
★★★★★ 5
Mounts to desktop
Size: 10 Ft (Type B with Clamp), Color: Black
Helps keep the desktop clutter down. Sometimes I need to charge flashlights, earphones, hearing aids, portable battery chargers and the like. I don’t want to plug these onto my computer so this unit fits that need. Sturdy desk mount so one hand plugging in and unplugging usually works fine.
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Reviewed in the United States on December 11, 2025

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