Herbicide label

Metribuzin 4L

Metribuzin 4L (EPA 42750-361) is a Group 5 metribuzin herbicide labeled for 14 crops. The label lists 149 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

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.

field corn
soybean
potato
barley
alfalfa
corn silage
sweet corn
seed corn
chickpea
lentil
field pea
sugarcane
winter wheat
fallow

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Weeds on the Metribuzin 4L label

The Metribuzin 4L label names 155 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 control149

ageratum
alexandergrass
amaranth spp.
amaranth, spiny
anoda, spurred
foxtail barley
barley, hare
barley, little
barnyardgrass, common
beggarweed, florida
bittercress
blackgrass
bluegrass, roughstalk
bluegrass, annual
bluegrass, bulbous
brome, downy
brome, japanese
brome, ripgut
brome, smooth
buckwheat, wild
buffalobur
buttercup
butterweed
carpetweed
catchfly, conical
catchweed
cheat
chickweed
chickweed, common
chickweed, mouseear
cockle, white
cocklebur, common
copperleaf, hophornbeam
cowcockle
crabgrass
crabgrass, large
crabgrass, smooth
cudweed
crowfootgrass
dandelion
dayflower
deadnettle, purple
dogfennel
eveningprimrose, cutleaf
spurge, annual
falseflax, smallseed
fiddleneck
filaree, redstem
fireweed
flaxseed
fleabane, rough
floras paintbrush
foxtail spp.
foxtail, bristlegrass
foxtail, giant
foxtail, green
foxtail, yellow
galinsoga
carolina geranium
goosegrass
gromwell spp.
guineagrass
haole koa
henbit
hialoa
hilahila
horseweed
jimsonweed
johnsongrass, seedling
junglerice
knotweed
knotweed, prostrate
kochia
ladysthumb
lambsquarters
lambsquarters, common
miner's lettuce
prickly lettuce
mallow, venice
mexicanweed
millet, browntop
morningglory
mustard, blue
mustard, blue or purple
mustard, indian
mustard, jim hill
mustard, tansy
mustard, tansy pepperweed
mustard, treacle
mustard, tumble
mustard, wild
nightshade, black
wild oats
oats, winter
panicum, broadleaf
panicum, fall
panicum, texas
pennycress, field
pepperweed, virginia
pigweed spp.
pigweed, redroot
pigweed, smooth
pineapple-weed
plushgrass
purslane
purslane, common
radish, wild
ragweed, common
rattlepod
red rice
redweed
rescuegrass
ricegrass
rocket, london
rocket, yellow
salsify, meadow
sandbur
sandbur, field
sesbania
shattercane
shepherd's-purse
sicklepod
sida, prickly
signalgrass, broadleaf
smartweed
smartweed, pennsylvania
sorrel, red
sorghum, volunteer
sowthistle
speedwell
sprangletop
spurge, garden
spurge, graceful
spurge, spotted
starbur, bristly
stinkgrass
sunflower
sunflower, annual
sunflower, wild
tarweed
thistle, russian
toadflax
turnip, wild
velvetleaf
vetch, winter
waterhemp, common
volunteer wheat
wiregrass
witchgrass

Partial control

partial3

dock, curly
german moss
knawel

Suppression

suppression10

barnyardgrass, common
dogfennel
foxtail, giant
foxtail, green
foxtail spp.
foxtail, yellow
goosegrass
nightshade, hairy
nutsedge, yellow
panicum spp.

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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 and your soil texture.

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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, 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 cites the exact plant-back for your rotational crop to the label line.

Metribuzin 4L FAQ

What weeds does Metribuzin 4L control?

The Metribuzin 4L label names 155 weeds, including ageratum, alexandergrass, amaranth spp., spiny amaranth, spurred anoda, and foxtail barley. 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.

What's the plant-back interval after Metribuzin 4L?

It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal cites the exact interval for your rotation to the label line, so you can verify it.

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Can I tank-mix Metribuzin 4L?

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 cites the condition on each, so you can verify it.