Halo 75WDG Select Herbicide

Halo 75WDG Select Herbicide
Halo 75WDG Select Herbicide
Halo 75WDG Select Herbicide

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Product Overview

Halo 75WDG Select is a post emergent herbicide that targets purple and yellow nutsedge and other broadleaf weeds. It will suppress green and annual kyllinga, and tough broadleaf weeds such as horsetail and ragweed. Halo 75WDG can be used in warm and cool season turf grasses, landscaped areas, and other non-crop areas listed on the product label without causing injury to your landscaped areas.

Halo 75WDG contains the same active ingredient found in Sedgehammer.  It works by stunting weed growth which allows the crop to take over the development of the targeted weed. Once the weed growth is sunted the leaves and growing point will discolor and die. Complete control generally takes 7-14 days, depending on weed size, species, and growing conditions. Standard usuage rates are 0.66-1.33oz. per acre. Halo 75WDG can be tank mixed with non-ionic surfactants to increase control. 

Halo 75WDG Select is not for use on edible plants or in gardens. 

Features and Specs

Active Ingredient Halosulfuron-methyl 75%
Target pests Nutsedge yellow, nutsedge purple, cocklebur, horsetail, redroot pigweed, smooth pigweed, common ragweed, giant ragweed, sunflower, velvetleaf, green and annual kyllinga
For use in Commercial & Residential: Turf-grass and Landscape areas
Application 0.66-1.33 oz. per acre
Pet safe Yes, if used as directed on Label
Formulation Professional Product
Group 2 Herbicide
VT (Restricted To Licensed Applicators Only)
Time to Kill 7-14 days
Shipping Weight 0.19 lbs
Manufacturer Prime Source
EPA Registration 89442-34

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I am applying Halo to an area where there is only nutsedge growing. I would like to plant flowers in the area. After the nutsedge is dead how long should I wait to plant?

If you make multiple treatments, you can plant new perennials and annuals at least 4-6 weeks after your last application of Halo 75WDG Select.

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Can Halo 75WDG Select Herbicide be used to treat nutgrass within 5ft of citrus trees? Will it effect the current fruit crop?

Halo 75WDG Select Herbicide is not labeled safe to be applied around ornamentals, flowers, shrubs, trees, fruits, vegetables, citrus or any edibles. Please use precautions if treating around citrus trees by avoiding spraying on windy days, do not spray weeds or roots within and under the tree canopy and spray away from the trees root line to avoid these injuries to your trees and fruit crop.  

Per the product label, “avoid contact of the spray containing this product to desirable flowers, ornamentals, shrubs or trees as discoloration, severe foliar injury or death may result."

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Can Halo 75WDG Select Herbicide be used to kill nutsedge in maize crops?

Halo 75WDG Select is only labeled for use in turf-grass and landscape areas and cannot be used in or around crops, edibles or gardens. Dual Magnum Herbicide or Basagran Herbicide (NOT the T/O) would be alternatives for a selective herbicide to treat for yellow nutsedge and other weeds in corn crops. Another treatment option is to use a non selective glyphosate herbicide such as Eraser A/P to spot treat the yellow nutsedge directly before planting maize. Spraying onto the ground does not help as the weeds must be sprayed directly and repeat applications will be needed. Once the maize has emerged, caution should be taken when using a non selective as you risk killing the maize if any overspray contacts the crop.

Mechanical methods of control include:

  • Planting early (if soil temperatures and conditions permit) and use narrow row spacing and high plant populations wherever possible .
  • Follow soil test recommendations for lime and fertilizer.
  • Start weeding early, 3 to 4 weeks from the planting date. This destroys young yellow nutsedge plants and prevents them from growing older and producing nuts. 
  • Tillage is an important control tactic when used in combination with other measures to bring nutsedge to the surface and expose them to extreme temperatures and drying out. 

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