Herbicide label
PETRA IMI Herbicide Label
PETRA IMI (EPA 89168-49-91395) is a Group 2 and 14 imazethapyr and sulfentrazone herbicide labeled for 7 crops. The label lists 70 controlled weeds, plus partial-control, suppression, and partner-control categories.
PETRA IMI label facts
- Product PETRA IMI
- EPA Reg. No. 89168-49-91395
- Distributor Altitude Crop Innovations, LLC.
- Active ingredient imazethapyr and sulfentrazone
- MOA group 2 and 14
Crops on the PETRA IMI label
PETRA IMI is labeled for these 7 crops and uses, per the EPA label.
Weeds on the PETRA IMI label
The PETRA IMI label names 76 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 control70- amaranth, palmer
- amaranth, spiny
- amaranth, spleen
- anoda, spurred
- cocklebur, common
- copperleaf, hophornbeam
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, palmleaf
- morningglory, purple
- morningglory, red
- morningglory, scarlet
- morningglory, tall
- nightshade, black
- purslane, common
- sida, prickly
- smartweed, pennsylvania
- spurge, prostrate
- spurge, spotted
- waterhemp, common
- nutsedge, purple
- nutsedge, yellow
- sedge, annual
- crabgrass, large
- crabgrass, small
- crabgrass, southern
- barnyardgrass, common
- goosegrass
- signalgrass, broadleaf
- panicum, fall
- panicum, texas
- beggarweed, florida
- carpetweed
- bedstraw, catchweed
- copperleaf, virginia
- daisy, american
- eclipta
- galinsoga, hairy
- crownbeard, golden
- groundcherry, clammy
- groundcherry, cutleaf
- jimsonweed
- ladysthumb
- marshelder
- morningglory, pitted
- morningglory, smallflower
- mustard, black
- mustard, tumble
- mustard, wild
- nightshade, hairy
- poinsettia, wild
- poorjoe
- pusley, florida
- redmaids
- rockpurslane
- filaree, redstem
- redweed
- senna, coffee
- shepherd's-purse
- sida, southern
- starbur, bristly
- thistle, russian
- velvetleaf
- mallow, venice
- buckwheat, wild
- kochia
- lambsquarters, common
- nightshade, eastern black
- pigweed, redroot
- pigweed, smooth
Suppression
suppression6- foxtail, bristly
- foxtail, giant
- foxtail, green
- foxtail, yellow
- johnsongrass, seedling
- shattercane
PETRA IMI 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.
PETRA IMI FAQ
What weeds does PETRA IMI control?
The PETRA IMI label names 76 weeds, including palmer amaranth, spiny amaranth, spleen amaranth, spurred anoda, common cocklebur, and hophornbeam copperleaf. Control varies by crop, rate, and timing.
What crops is PETRA IMI labeled for?
PETRA IMI is labeled for 7 crops and uses, including soybeans, peanut, dry edible bean, lentils, and chickpea.
What is the active ingredient in PETRA IMI? Is it a generic?
PETRA IMI's active ingredient is imazethapyr and sulfentrazone (MOA Group 2 and 14). 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.