Herbicide label
Roundup PowerMAX II Herbicide Label
Roundup PowerMAX II (EPA 524-537) is a Group 9 glyphosate herbicide labeled for 43 crops. The label lists 175 controlled weeds, plus partial-control, suppression, and partner-control categories.
Roundup PowerMAX II label facts
- Product Roundup PowerMAX II
- EPA Reg. No. 524-537
- Registrant Bayer CropScience
- Active ingredient glyphosate
- MOA group 9
Crops on the Roundup PowerMAX II label
Roundup PowerMAX II is labeled for these 43 crops and uses, per the EPA label.
- field corn
- soybean
- wheat
- cotton
- sunflower
- potato
- peanut
- sugar beet
- canola
- barley
- sorghum
- rice
- alfalfa
- annual ryegrass
- buckwheat
- cereal rye
- chickpea
- clover
- corn silage
- cowpea
- dry edible bean
- durum wheat
- fallow
- field pea
- flax
- grass seed
- lentil
- mustard
- oats
- pearl millet
- popcorn
- proso millet
- radish
- safflower
- seed corn
- sesame
- spinach
- sugarcane
- sweet corn
- sweet potato
- triticale
- turnip
- wild rice
Weeds on the Roundup PowerMAX II label
The Roundup PowerMAX II label names 188 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 control175- alfalfa
- alligatorweed
- ammannia, purple
- anoda, spurred
- bahiagrass
- barley
- barley, little
- barnyardgrass, common
- bassia, fivehook
- beggarweed, florida
- bermudagrass
- bermudagrass, water
- bindweed, field
- bittercress
- blackberry
- blackgum
- bluegrass, annual
- bluegrass, bulbous
- bluegrass, kentucky
- blueweed, texas
- brackenfern
- brome, downy
- brome, japanese
- bromegrass, smooth
- buckwheat, wild
- burcucumber
- buttercup
- canarygrass, reed
- carpetweed
- cattail
- chamise
- cheat
- chervil
- chickweed
- clover, red
- clover, white
- cocklebur, common
- cogongrass
- copperleaf, hophornbeam
- copperleaf, virginia
- coreopsis, plains
- corn, volunteer
- crabgrass
- crowfootgrass
- cupgrass, woolly
- dallisgrass
- dandelion
- dwarf dandelion
- false dandelion
- devilsclaw
- dock, curly
- dodder
- dogbane, hemp
- eclipta
- eucalyptus
- eveningprimrose, cutleaf
- falseflax, smallseed
- fescue
- fescue, tall
- fiddleneck
- filaree, broadleaf
- fleabane, annual
- fleabane, hairy
- fleabane, rough
- foxtail, bristly
- foxtail, carolina
- foxtail, giant
- foxtail, green
- foxtail, yellow
- carolina geranium
- goatgrass, jointed
- goosegrass
- grain sorghum
- groundcherry
- groundsel, common
- groundsel, cressleaf
- hazel
- henbit
- honeysuckle
- horsenettle
- horseradish
- horseweed
- itchgrass
- jerusalem artichoke
- jimsonweed
- johnsongrass
- johnsongrass, seedling
- junglerice
- knapweed
- knotweed
- kochia
- lambsquarters
- lespedeza
- prickly lettuce
- mannagrass, eastern
- mayweed
- milkweed, common
- millet, wild-proso
- morning glory, annual
- muhly, wirestem
- mullein, common
- mustard, blue
- mustard, tansy
- mustard, tumble
- mustard, wild
- needles, spanish
- nightshade, black
- nightshade, hairy
- nightshade, silverleaf
- nutsedge, purple
- nutsedge, yellow
- oats
- wild oats
- orchardgrass
- panicum, browntop
- panicum, fall
- panicum, texas
- pennycress, field
- pepperweed, virginia
- pigweed
- amaranth, palmer
- poison ivy
- pokeweed, common
- purslane
- pusley, florida
- quackgrass
- ragweed, common
- ragweed, giant
- red rice
- redvine
- rocket, london
- rocket, yellow
- cereal rye
- rye, volunteer
- ryegrass
- ryegrass, perennial
- sage, black
- sandbur, field
- sandbur, longspine
- sesbania, hemp
- shattercane
- shepherd's-purse
- sicklepod
- sida, prickly
- signalgrass, broadleaf
- smartweed, ladysthumb
- smartweed, pennsylvania
- smartweed, swamp
- sowthistle, annual
- sowthistle, perennial
- speedwell, corn
- speedwell, purslane
- sprangletop
- spurge, prostrate
- spurge, spotted
- spurry, umbrella
- starthistle, yellow
- stinkgrass
- sunflower
- sweetgum
- swinecress
- thistle, canada
- thistle, russian
- timothy
- torpedograss
- trumpetcreeper
- vaseygrass
- velvetgrass
- velvetleaf
- virginia creeper
- waterhemp, common
- wheat
- wheat, overwintered
- wheatgrass, western
- witchgrass
Partial control
partial9- bearmat
- buckwheat, california
- catsclaw
- hasardia
- monkey flower
- phragmites
- sage, white
- sweet potato, wild
- waxmyrtle, southern
Suppression
suppression1- bentgrass
Controls with a tank-mix partner
needs partner3- bursage, woolly-leaf
- mallow
- spurge, leafy
Roundup PowerMAX II 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.
Roundup PowerMAX II FAQ
What weeds does Roundup PowerMAX II control?
The Roundup PowerMAX II label names 188 weeds, including alfalfa, alligatorweed, purple ammannia, spurred anoda, bahiagrass, and barley. Control varies by crop, rate, and timing.
What crops is Roundup PowerMAX II labeled for?
Roundup PowerMAX II is labeled for 43 crops and uses, including field corn, soybeans, wheat, cotton, and sunflower.
What is the active ingredient in Roundup PowerMAX II? Is it a generic?
Roundup PowerMAX II's active ingredient is glyphosate (MOA Group 9). 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.