Herbicide label
Dual IIG Magnum
Dual IIG Magnum (EPA 100-910) is a Group 15 metolachlor herbicide labeled for 8 crops. The label lists 22 controlled weeds, plus partial-control, suppression, and partner-control categories.
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Dual IIG Magnum label facts
- Product Dual IIG Magnum
- EPA Reg. No. 100-910
- Registrant Syngenta Crop Protection, LLC
- Active ingredient metolachlor
- MOA group 15
Crops on the Dual IIG Magnum label
Dual IIG Magnum is labeled for these 8 crops and uses, per the EPA label.
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the Dual IIG Magnum label
The Dual IIG Magnum label names 32 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 control22- barnyardgrass, common
- carpetweed
- waterhemp, common
- crabgrass
- crowfootgrass
- nightshade, eastern black
- panicum, fall
- pusley, florida
- foxtail, millet
- galinsoga
- foxtail, giant
- goosegrass
- foxtail, green
- pigweed
- cupgrass, prairie
- red rice
- foxtail, robust
- signalgrass
- cupgrass, southwestern
- witchgrass
- foxtail, yellow
- nutsedge, yellow
Partial control
partial10- purslane, common
- eclipta
- beggarweed, florida
- nightshade, hairy
- sandbur
- johnsongrass, seedling
- shattercane
- sorghum, volunteer
- millet, wild-proso
- cupgrass, woolly
Controls with a tank-mix partner
needs partner2- millet, wild-proso
- cupgrass, woolly
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
Dual IIG Magnum 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.
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, the rotational crop, and your state, region, and rainfall — some intervals differ in CO, CT, DE, IA, IL, IN, KS, KY, MA, MD, ME, MI, MN, MO, MT, ND, NE, NH, NY, OH, PA, RI, SD, TN, VA, VT, WI, WV, and WY.
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.
Dual IIG Magnum FAQ
What weeds does Dual IIG Magnum control?
The Dual IIG Magnum label names 32 weeds, including common barnyardgrass, carpetweed, waterhemp, crabgrass, crowfootgrass, and eastern black nightshade. Control varies by crop, rate, and timing.
What crops is Dual IIG Magnum labeled for?
Dual IIG Magnum is labeled for 8 crops and uses, including field corn, soybeans, potato, peanut, and sweet corn.
What is the active ingredient in Dual IIG Magnum? Is it a generic?
Dual IIG Magnum'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 Dual IIG Magnum?
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.
Build a program →Can I tank-mix Dual IIG Magnum?
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.
Build a program →Plan in minutes, not hours.
Start with Dual IIG Magnum and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.
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Sources
Last updated 2026-07-14.