Herbicide label

Halex GT Herbicide Label

Halex GT (EPA 100-1282) is a Group 9, 15, and 27 glyphosate, mesotrione, and metolachlor herbicide labeled for 2 crops. The label lists 102 controlled weeds, plus partial-control, suppression, and partner-control categories.

“Halex GT Herbicide is a systemic, postemergence herbicide for contact followed by residual control of weeds in Glyphosate Tolerant (GT) field corn.”

— Halex GT EPA label, Reg. No. 100-1282

Halex GT label facts

Crops on the Halex GT label

Halex GT is labeled for these 2 crops and uses, per the EPA label.

Weeds on the Halex GT label

The Halex GT label names 103 weeds and rates each by how the product handles it: full control, partial control, suppression, or control with a tank-mix partner. A weed can fall at more than one level, because control varies by crop, rate, and timing.

Controls

full control102
  • amaranth, palmer
  • amaranth, powell
  • amaranth, spiny
  • anoda, spurred
  • atriplex
  • barnyardgrass, common
  • beggarweed, florida
  • bluegrass, annual
  • brome, downy
  • buckwheat, wild
  • buffalobur
  • burcucumber
  • carpetweed
  • cheat
  • chickweed, common
  • chickweed, mouseear
  • cocklebur, common
  • copperleaf, hophornbeam
  • corn, volunteer
  • crabgrass, large
  • crabgrass, smooth
  • crotalaria, showy
  • croton, tropic
  • crowfootgrass
  • cupgrass, prairie
  • cupgrass, southwestern
  • cupgrass, woolly
  • dandelion, common
  • dock, curly
  • eclipta
  • foxtail, bristly
  • foxtail, giant
  • foxtail, green
  • foxtail, robust
  • foxtail, yellow
  • galinsoga
  • goosegrass
  • groundcherry, smooth
  • groundsel, common
  • hemp
  • henbit
  • horseweed
  • jimsonweed
  • johnsongrass
  • knotweed, prostrate
  • kochia
  • lambsquarters, common
  • mallow, venice
  • marshelder
  • foxtail, millet
  • millet, wild-proso
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • morningglory, pitted
  • morningglory, tall
  • mustard, wild
  • nightshade, black
  • nightshade, eastern black
  • nightshade, hairy
  • nutsedge, purple
  • nutsedge, yellow
  • wild oats
  • panicum, browntop
  • panicum, fall
  • panicum, texas
  • pennycress, field
  • pigweed, prostrate
  • pigweed, redroot
  • pigweed, smooth
  • pigweed, tumble
  • pokeweed, common
  • potato, volunteer
  • puncturevine
  • purslane, common
  • pusley, florida
  • ragweed, common
  • ragweed, giant
  • red rice
  • sandbur, field
  • sandbur, southern
  • senna, coffee
  • sesbania, hemp
  • shattercane
  • shepherd's-purse
  • sicklepod
  • sida, prickly
  • signalgrass, broadleaf
  • smartweed, ladysthumb
  • smartweed, pale
  • smartweed, pennsylvania
  • grain sorghum
  • sprangletop, red
  • spurge, prostrate
  • spurge, spotted
  • starbur, bristly
  • stinkgrass
  • sunflower, annual
  • thistle, canada
  • thistle, russian
  • velvetleaf
  • waterhemp, common
  • witchgrass

Partial control

partial1
  • johnsongrass, seedling

Halex GT rates and plant-back

The label answers both with a table, not a single number. Here is what drives each answer.

Application rate

Your rate depends on your crop.

Get the rate for your field: build a program and FieldMarshal gives you the exact per-acre rate for your crop from the label line.

Plant-back and rotation

Your interval depends on your application rate and the rotational crop.

Get the interval for your rotation: build a program and FieldMarshal gives you the exact plant-back for your rotational crop from the label line.

Halex GT FAQ

What weeds does Halex GT control?

The Halex GT label names 103 weeds, including palmer amaranth, powell amaranth, spiny amaranth, spurred anoda, atriplex, and common barnyardgrass. Control varies by crop, rate, and timing.

What crops is Halex GT labeled for?

Halex GT is labeled for 2 crops and uses, including field corn and sorghum.

What is the active ingredient in Halex GT? Is it a generic?

Halex GT's active ingredient is glyphosate, mesotrione, and metolachlor (MOA Group 9, 15, and 27). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.

Sources

Last updated 2026-09-30.