5 tsp.

Stay Informed and Get Connected 163 of 179 people found this answer helpful We're here to help It also has lawn care uses, like for golf courses and residential lawns as a weed killer. Hi-Yield Atrazine Weed Killer is already premixed with a surfactant and another surfactant does not need to be added to make the product more effective. St. Augustine and Centipede grass Atrazine is also used as a weed killer on golf courses as well as a variety of commercial and residential lawns. Atrazine is a herbicide of the triazine class. I took my pest control in my own hands and I hope to use many more products as time goes by. However, for the control of weeds from seeds, rainfallor watering is necessary within 7 to 10 days after treatment.48 of 52 people found this review helpful Atrazine is used both as a pre-emergent and post-emergent herbicide to control weeds.

Hi-Yield Atrazine Weed Killer controls tough weeds.Chapin Premier 2 Gallon Sprayer (#21220XP)Control of Spurweed can best be obtained by applying when Spurweed has newly emerged(December and January. 219 of 238 people found this answer helpful Hi-Yield Atrazine Weed Killer controls both emerged weeds and weeds from seed in St. Augustine and Centipedegrass. I might just as well have used water to kill the weeds. Hi-Yield Atrazine Weed Killer controls both emerged weeds and weeds from seed in St. Augustine and Centipedegrass. It is great for dandelions and crab grass without killing your grass. Several researchers have indicated that diatoms are generally more tolerant of atrazine (Herman et al., 1986; Hoagland et al., 1993), as well as other triazine herbicides (Gurney and Robinson, 1989; Kasai et al., 1993), yet Herman et al. Atrazine herbicide is used in crops such as corn and sugarcane. With its widespread use, atrazine has been discovered in minute quantities in Texas ground and surface waters. Annual Bluegrass (Poa annua), Chickweed (Commonand Mouseear), Crabgrass (suppression only), Cransbill, Cudweed, Dichondra, Florida Betony, Henbit, Knotweed, Lespedeza, Moneywort, Mustards, Narrowleaf Vetch, Parsley-Piert, Pennywort (Dollarweed), Sandspur, Smutgrass, Spurge, Spurweed, Swinecrest, Woodsorrel and various annual clovers. Step 1: To figure out how much Atrazine 4L you need, you will need to determine the treatment area. Atrazine is a widely used herbicide that can be applied before and after planting to control broadleaf and grassy weeds.

Atrazine is a member of the triazine chemical class, which includes simazine and propazine. Hi-Yield Atrazine Weed Killer AK, CA, MN, NY, WA Yes, if used as directed on Label This controls Spurweed, Florida Betony, Annual Bluegrass and many other problem weeds in St. Augustinegrass and Centipedegrass turfs. Atrazine herbicide is used in crops such as corn and sugarcane. Can Hi-Yield Atrazine be used on Bermuda grass lawns? Pets should not be in the treated area during the application of The grass is growing and looking great. It rained today, how long before i can apply Atrazine? As a pre-emergent, it... Turfgrass Types. Atrazine 4L is a herbicide for the control of annual broadleaf and grass weeds in Corn, Ornamentals, Sugarcane, Turf and other labeled crops. Atrazine 4L is a herbicide for the control of annual broadleaf and grass weeds in Corn, Ornamentals, Sugarcane, Turf and other labeled crops. 34 of 37 people found this review helpfulThis weed emerges in the Fall.

Rain or water within 2 or 3 days of application may decrease the effectiveness on emerged weeds.

See How. No result at all. See label for specific use rates. Thought it worked on st. Augustine grass. How much Atrazine weed killer should be mixed per gallon? 732221334304 It provides good weed control for crops because it is a selective herbicide , meaning the crop plants can metabolize the chemical, but the weeds are killed. I purchase atrazine to use on ST. Augustine grass. The active ingredient, Atrazine will kill weeds as seeds or kill emerged weeds through the root system. Best results are usually obtained when applied in early Spring or dormant periods when weeds are small or have not emerged. Atrazine is used both as a pre-emergent and post-emergent herbicide to control weeds. Atrazine 4L acts mainly through root absorption; therefore, its effectiveness is dependent on either rainfall or … (1986) focused only on attached algae in this regard.

)It will be tough to use almost any post-emergent herbicide this time of year. 477 of 528 people found this answer helpfulFor large order quotes, please call us at $17.00 Atrazine is an agricultural herbicide that is widely used by farmers to control broadleaf weeds and grasses that interfere with the growth of corn, sorghum, sugar cane, and other crops. It is primarily used in agriculture (with the greatest use on corn, sorghum, and sugarcane). + Free Shipping* Atrazine's primary manufacturer is Syngenta and it is one of the most widely used herbicides in … Atrazine 4L may be applied before or after weeds emerge.

Species-specific responses to atrazine have also been shown in whole-community studies. If the weeds are not actively growing, then you will see limited results. 29 of 38 people found this review helpful Atrazine should only be used on St Augustine and centipede grasses only. Atrazine 4L is a restricted use post-emergent and pre-emergent herbicide formulated by Drexel Chemical Company.

Doesn't seem to be working so well.

Can you mix a surfactant with Atrazine to help it contact weeds to boost its quick killing?

After fighting with a pest control service for months without results, and my front grass getting worse, I decide to try Atrazine which they said they wouldn't apply.