Herbicide label

GCS S-Metolachlor 82.4% EC

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.

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Official EPA label (PDF)

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.

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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
spiderwort, tropical
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

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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 and your soil texture.

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Plant-back and rotation

Your interval depends on your application rate, the rotational crop, and your state, region, and rainfall — some intervals differ in AL, AR, AZ, CA, CO, FL, GA, IA, ID, IL, KS, LA, MN, MO, MS, NC, ND, NE, NM, OK, OR, SC, SD, TN, TX, VA, WA, and WI.

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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.

What's the plant-back interval after GCS S-Metolachlor 82.4% EC?

It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal gives you the exact interval for your rotation from the label line, so you can verify it.

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Can I tank-mix GCS S-Metolachlor 82.4% EC?

It depends on your target weeds, crop stage, and which partners the label approves. Build a program and FieldMarshal checks the label for approved partners and gives the condition on each, so you can verify it.