Herbicide label
GCS S-Metolachlor 82.4% EC Herbicide Label
GCS S-Metolachlor 82.4% EC (EPA 94730-37) is a Group 15 metolachlor herbicide labeled for 17 crops. The label lists 42 controlled weeds, plus partial-control, suppression, and partner-control categories.
GCS S-Metolachlor 82.4% EC label facts
- Product GCS S-Metolachlor 82.4% EC
- EPA Reg. No. 94730-37
- Registrant Generic Crop Science, LLC
- Active ingredient metolachlor
- MOA group 15
Crops on the GCS S-Metolachlor 82.4% EC label
GCS S-Metolachlor 82.4% EC is labeled for these 17 crops and uses, per the EPA label.
Weeds on the GCS S-Metolachlor 82.4% EC label
The GCS S-Metolachlor 82.4% EC label names 54 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 control42- amaranth, palmer
- amaranth, powell
- barnyardgrass, common
- bentgrass, volunteer seedling
- bluegrass, annual
- bluegrass, kentucky volunteer seedling
- bluegrass, roughstalk
- brome, california
- brome, downy
- carpetweed
- crabgrass, large
- crabgrass, smooth
- crowfootgrass
- cupgrass, prairie
- cupgrass, southwestern
- fescue, fine volunteer seedling
- rattail fescue
- fescue, tall volunteer seedling
- foxtail, bristly
- foxtail, giant
- foxtail, green
- foxtail, millet
- foxtail, yellow
- galinsoga, hairy
- galinsoga, smallflower
- goosegrass
- nightshade, eastern black
- nutsedge, yellow
- orchardgrass, volunteer seedling
- panicum, fall
- pigweed, prostrate
- pigweed, redroot
- pigweed, smooth
- pigweed, tumble
- pusley, florida
- red rice
- ryegrass, italian
- ryegrass, perennial volunteer seedling
- signalgrass, broadleaf
- dayflower, benghal
- waterhemp, common
- witchgrass
Partial control
partial12- beggarweed, florida
- cupgrass, woolly
- eclipta
- johnsongrass, seedling
- millet, wild-proso
- nightshade, hairy
- panicum, texas
- purslane, common
- sandbur, field
- sandbur, southern
- shattercane
- sorghum, volunteer
GCS S-Metolachlor 82.4% EC 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.
GCS S-Metolachlor 82.4% EC FAQ
What weeds does GCS S-Metolachlor 82.4% EC control?
The GCS S-Metolachlor 82.4% EC label names 54 weeds, including palmer amaranth, powell amaranth, common barnyardgrass, volunteer seedling bentgrass, annual bluegrass, and kentucky volunteer seedling bluegrass. Control varies by crop, rate, and timing.
What crops is GCS S-Metolachlor 82.4% EC labeled for?
GCS S-Metolachlor 82.4% EC is labeled for 17 crops and uses, including field corn, soybeans, cotton, sunflower, and potato.
What is the active ingredient in GCS S-Metolachlor 82.4% EC? Is it a generic?
GCS S-Metolachlor 82.4% EC's active ingredient is metolachlor (MOA Group 15). 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.