Herbicide label
Comet
Comet (EPA 71368-87) is a Group 4 fluroxypyr 1-methylheptyl ester herbicide labeled for 12 crops. The label lists 20 controlled weeds, plus partial-control, suppression, and partner-control categories.
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Comet label facts
- Product Comet
- EPA Reg. No. 71368-87
- Registrant Nufarm, Inc.
- Active ingredient fluroxypyr 1-methylheptyl ester
- MOA group 4
Crops on the Comet label
Comet is labeled for these 12 crops and uses, per the EPA label.
- field corn
- wheat
- barley
- sorghum
- oats
- sweet corn
- fallow
- grass seed
- sorghum-sudangrass
- sudangrass
- triticale
- durum wheat
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the Comet label
The Comet label names 33 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 control20- bedstraw, catchweed
- bindweed, hedge
- chickweed
- clover, white
- cocklebur, common
- coffeeweed
- dogbane, hemp
- volunteer flax
- grape
- jimsonweed
- kochia
- prickly lettuce
- mallow, venice
- morningglory
- potato, volunteer
- puncturevine
- purslane, common
- ragweed, common
- sunflower
- velvetleaf
Suppression
suppression13- bindweed, field
- buckwheat, wild
- volunteer canola
- devilsclaw
- horsetail, field
- horseweed
- knotweed
- mallow, common
- marshelder
- mustard
- nightshade, black
- pennycress, field
- thistle, russian
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
Comet 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.
Comet FAQ
What weeds does Comet control?
The Comet label names 33 weeds, including catchweed bedstraw, hedge bindweed, chickweed, white clover, common cocklebur, and coffeeweed. Control varies by crop, rate, and timing.
What crops is Comet labeled for?
Comet is labeled for 12 crops and uses, including field corn, wheat, barley, sorghum, and oats.
What is the active ingredient in Comet? Is it a generic?
Comet's active ingredient is fluroxypyr 1-methylheptyl ester (MOA Group 4). 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 Comet?
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 Comet?
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 Comet 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.