Herbicide label
Metribuzin 4L Herbicide Label
Metribuzin 4L (EPA 42750-361) is a Group 5 metribuzin herbicide labeled for 14 crops. The label lists 146 controlled weeds, plus partial-control, suppression, and partner-control categories.
Metribuzin 4L label facts
- Product Metribuzin 4L
- EPA Reg. No. 42750-361
- Registrant Albaugh, LLC
- Active ingredient metribuzin
- MOA group 5
Crops on the Metribuzin 4L label
Metribuzin 4L is labeled for these 14 crops and uses, per the EPA label.
Weeds on the Metribuzin 4L label
The Metribuzin 4L label names 151 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 control146- ageratum
- alexandergrass
- amaranth spp.
- amaranth, spiny
- butterweed
- chickweed
- cudweed
- spurge, annual
- fireweed
- floras paintbrush
- foxtail, bristlegrass
- guineagrass
- haole koa
- hialoa
- hilahila
- oats, winter
- panicum, broadleaf
- plushgrass
- rattlepod
- ricegrass
- rocket, london
- sowthistle
- spurge, garden
- spurge, graceful
- tarweed
- wiregrass
- anoda, spurred
- buffalobur
- copperleaf, hophornbeam
- crowfootgrass
- galinsoga
- junglerice
- knotweed
- mallow, venice
- millet, browntop
- morningglory
- nightshade, black
- panicum, texas
- red rice
- redweed
- sandbur
- sesbania
- shattercane
- sida, prickly
- smartweed
- sorghum, volunteer
- sprangletop
- spurge, spotted
- starbur, bristly
- stinkgrass
- witchgrass
- foxtail barley
- bluegrass, roughstalk
- bromegrass, smooth
- cockle, white
- dandelion
- deadnettle, purple
- flaxseed
- fleabane, rough
- mustard, tansy pepperweed
- rocket, yellow
- salsify, meadow
- barley, hare
- bittercress
- blackgrass
- bluegrass, bulbous
- brome, ripgut
- buttercup
- catchfly, conical
- catchweed
- eveningprimrose, cutleaf
- falseflax, smallseed
- fiddleneck
- filaree, redstem
- carolina geranium
- gromwell spp.
- miner's lettuce
- pepperweed, virginia
- radish, wild
- speedwell
- turnip, wild
- vetch, winter
- barley, little
- brome, japanese
- buckwheat, wild
- chickweed, mouseear
- prickly lettuce
- mustard, blue
- rescuegrass
- barnyardgrass, common
- beggarweed, florida
- purslane
- bluegrass, annual
- brome, downy
- cheat
- wild oats
- carpetweed
- cocklebur, common
- sicklepod
- chickweed, common
- cowcockle
- crabgrass
- crabgrass, large
- purslane, common
- crabgrass, smooth
- foxtail, giant
- foxtail, yellow
- mustard, indian
- pigweed, smooth
- sunflower, annual
- dayflower
- mexicanweed
- dogfennel
- knotweed, prostrate
- pineapple-weed
- foxtail spp.
- foxtail, green
- goosegrass
- henbit
- horseweed
- jimsonweed
- panicum, fall
- johnsongrass, seedling
- signalgrass, broadleaf
- kochia
- ladysthumb
- waterhemp, common
- lambsquarters
- lambsquarters, common
- mustard, blue or purple
- mustard, treacle
- sunflower, wild
- mustard, jim hill
- mustard, tansy
- mustard, tumble
- mustard, wild
- pennycress, field
- pigweed spp.
- pigweed, redroot
- ragweed, common
- shepherd's-purse
- smartweed, pennsylvania
- sunflower
- velvetleaf
- thistle, russian
- volunteer wheat
Partial control
partial3- dock, curly
- german moss
- knawel
Suppression
suppression2- nightshade, hairy
- nutsedge, yellow
Metribuzin 4L 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.
Metribuzin 4L FAQ
What weeds does Metribuzin 4L control?
The Metribuzin 4L label names 151 weeds, including ageratum, alexandergrass, amaranth spp., spiny amaranth, butterweed, and chickweed. Control varies by crop, rate, and timing.
What crops is Metribuzin 4L labeled for?
Metribuzin 4L is labeled for 14 crops and uses, including field corn, soybeans, potato, barley, and alfalfa.
What is the active ingredient in Metribuzin 4L? Is it a generic?
Metribuzin 4L's active ingredient is metribuzin (MOA Group 5). 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.