Herbicide label
Obey Herbicide Label
Obey (EPA 279-3409) is a Group 4 and 13 clomazone and quinclorac herbicide labeled for 1 crops. The label lists 21 controlled weeds, plus partial-control, suppression, and partner-control categories.
Obey label facts
- Product Obey
- EPA Reg. No. 279-3409
- Registrant FMC Corporation
- Active ingredient clomazone and quinclorac
- MOA group 4 and 13
Crops on the Obey label
Obey is labeled for these 1 crops and uses, per the EPA label.
Weeds on the Obey label
The Obey label names 21 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 control21- barnyardgrass, common
- signalgrass, broadleaf
- crabgrass, large
- crabgrass, smooth
- panicum, common
- panicum, fall
- panicum, texas
- sprangletop
- eclipta
- jointvetch, indian
- jointvetch, northern
- sesbania, hemp
- morningglory, cypressvine
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, palmleaf
- morningglory, pitted
- morningglory, purple moonflower
- morningglory, tall
- water hyssop
- groundcherry
Obey 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.
Obey FAQ
What weeds does Obey control?
The Obey label names 21 weeds, including common barnyardgrass, broadleaf signalgrass, large crabgrass, smooth crabgrass, common panicum, and fall panicum. Control varies by crop, rate, and timing.
What crops is Obey labeled for?
Obey is labeled for 1 crops and uses, including rice.
What is the active ingredient in Obey? Is it a generic?
Obey's active ingredient is clomazone and quinclorac (MOA Group 4 and 13). 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.