Herbicide label
PETRA IMI
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.
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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.
Need the rate or timing for one of these? Filter every label by your crop, free.
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
- beggarweed, florida
- carpetweed
- bedstraw, catchweed
- cocklebur, common
- copperleaf, hophornbeam
- copperleaf, virginia
- daisy, american
- eclipta
- galinsoga, hairy
- crownbeard, golden
- groundcherry, clammy
- groundcherry, cutleaf
- jimsonweed
- kochia
- ladysthumb
- lambsquarters, common
- marshelder
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, palmleaf
- morningglory, pitted
- morningglory, purple
- morningglory, red
- morningglory, scarlet
- morningglory, smallflower
- morningglory, tall
- mustard, black
- mustard, tumble
- mustard, wild
- nightshade, black
- nightshade, eastern black
- nightshade, hairy
- pigweed, redroot
- pigweed, smooth
- poinsettia, wild
- poorjoe
- purslane, common
- pusley, florida
- redmaids
- rockpurslane
- filaree, redstem
- redweed
- senna, coffee
- shepherd's-purse
- sida, prickly
- sida, southern
- smartweed, pennsylvania
- spurge, prostrate
- spurge, spotted
- starbur, bristly
- thistle, russian
- velvetleaf
- mallow, venice
- waterhemp, common
- buckwheat, wild
- nutsedge, purple
- nutsedge, yellow
- sedge, annual
- crabgrass, large
- crabgrass, small
- crabgrass, southern
- barnyardgrass, common
- goosegrass
- signalgrass, broadleaf
- panicum, fall
- panicum, texas
Suppression
suppression7- foxtail, bristly
- foxtail, giant
- foxtail, green
- foxtail, yellow
- johnsongrass, seedling
- shattercane
- panicum, fall
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
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 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 AL, AR, AZ, CO, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MD, MI, MN, MO, MS, MT, NC, ND, NE, NJ, NM, NV, NY, OH, OK, OR, PA, SC, SD, TN, TX, UT, VA, WA, 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.
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, florida beggarweed, and carpetweed. 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.
What's the plant-back interval after PETRA IMI?
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 PETRA IMI?
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 PETRA IMI 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.