Herbicide label
PRIORITY 8E
PRIORITY 8E (EPA 42750-340) is a Group 15 metolachlor herbicide labeled for 12 crops. The label lists 23 controlled weeds, plus partial-control, suppression, and partner-control categories.
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PRIORITY 8E label facts
- Product PRIORITY 8E
- EPA Reg. No. 42750-340
- Registrant Albaugh, LLC
- Active ingredient metolachlor
- MOA group 15
Crops on the PRIORITY 8E label
PRIORITY 8E is labeled for these 12 crops and uses, per the EPA label.
- field corn
- soybean
- cotton
- potato
- peanut
- sorghum
- chickpea
- cowpea
- dry edible bean
- field pea
- lentil
- safflower
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the PRIORITY 8E label
The PRIORITY 8E label names 62 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 control23- barnyardgrass, common
- carpetweed
- crabgrass
- crowfootgrass
- cupgrass, prairie
- cupgrass, southwestern
- foxtail, bristly
- foxtail, giant
- foxtail, green
- foxtail, millet
- foxtail, robust
- foxtail, yellow
- galinsoga
- goosegrass
- nightshade, eastern black
- nutsedge, yellow
- panicum, fall
- pigweed
- pusley, florida
- red rice
- signalgrass
- waterhemp, common
- witchgrass
Partial control
partial16- beggarweed, florida
- cocklebur, common
- cupgrass, woolly
- eclipta
- jimsonweed
- johnsongrass, seedling
- millet, wild-proso
- morningglory
- nightshade, hairy
- nutsedge, yellow
- panicum, texas
- purslane, common
- sandbur
- shattercane
- sorghum, volunteer
- velvetleaf
Controls with a tank-mix partner
needs partner32- cocklebur, common
- purslane, common
- nightshade, hairy
- lambsquarters
- morningglory
- panicum, browntop
- ragweed, giant
- smartweed
- velvetleaf
- jimsonweed
- kochia
- mustard
- sida, prickly
- spurge, annual
- sandbur, field
- johnsongrass, seedling
- spurge, hyssop
- spurge, nodding
- spurge, prostrate
- spurge, spotted
- coffeeweed
- groundcherry
- junglerice
- mallow
- morning glory, annual
- wild oats
- purslane
- sesbania, hemp
- mallow, venice
- mustard, wild
- stinging nettle
- nutsedge, yellow
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PRIORITY 8E 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 AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, 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.
PRIORITY 8E FAQ
What weeds does PRIORITY 8E control?
The PRIORITY 8E label names 62 weeds, including common barnyardgrass, carpetweed, crabgrass, crowfootgrass, prairie cupgrass, and southwestern cupgrass. Control varies by crop, rate, and timing.
What crops is PRIORITY 8E labeled for?
PRIORITY 8E is labeled for 12 crops and uses, including field corn, soybeans, cotton, potato, and peanut.
What is the active ingredient in PRIORITY 8E? Is it a generic?
PRIORITY 8E'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 PRIORITY 8E?
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 PRIORITY 8E?
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 PRIORITY 8E 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.