Herbicide label

Tigris MTZ 4 F

Tigris MTZ 4 F (EPA 92647-24) is a Group 5 metribuzin herbicide labeled for 13 crops. The label lists 114 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

Tigris MTZ 4 F label facts

Product Tigris MTZ 4 F
EPA Reg. No. 92647-24
Registrant Tigris, LLC
Active ingredient metribuzin
MOA group 5

Crops on the Tigris MTZ 4 F label

Tigris MTZ 4 F is labeled for these 13 crops and uses, per the EPA label.

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Weeds on the Tigris MTZ 4 F label

The Tigris MTZ 4 F label names 161 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 control114

ageratum
alexandergrass
amaranth, spiny
amaranth, spleen
anoda, spurred
barley, little
barnyardgrass, common
bindweed, field
bittercress
bluegrass, annual
brome, downy
brome, japanese
bromegrass, smooth
buckwheat, wild
carpetweed
catchfly, conical
catchweed
cheat
chickweed, common
chickweed, mouseear
cockle, white
cocklebur, common
corncockle
cowcockle
crabgrass
crabgrass, large
crabgrass, smooth
crotalaria, showy
crowfootgrass
dandelion
dayflower
deadnettle, purple
dogfennel
eveningprimrose, cutleaf
falseflax, smallseed
fiddleneck
filaree, redstem
fleabane, rough
flixweed
foxtail
foxtail, bristly
foxtail, giant
foxtail, green
foxtail, yellow
foxtail barley
fumitory
galinsoga
geranium
goosegrass
gromwell
groundsel, cressleaf
haole koa
henbit
hialoa
hiahila
horseweed
jimsonweed
johnsongrass, seedling
junglerice
knotweed
knotweed, prostrate
kochia
ladysthumb
lambsquarters, common
mallow, venice
mexicanweed
millet, browntop
miner's lettuce
mustard, blue
mustard, hill
mustard, indian
mustard, tansy
mustard, treacle
mustard, tumble
mustard, wild
oats, winter
panicum, broadcast
panicum, fall
pennycress, field
pepperweed, virginia
pigweed, redroot
pigweed, smooth
pineapple-weed
polemonium, annual
prickly lettuce
purslane, common
pusley, florida
radish, wild
ragweed, common
redweed
rescuegrass
richardia
rocket, london
rocket, yellow
salsify, meadow
sandbur, field
sesbania, hemp
shepherd's-purse
sicklepod
sida, prickly
signalgrass, broadleaf
smartweed, pennsylvania
sorrel, red
sowthistle
speedwell
spurge, spotted
sunflower, annual
tarweed
thistle, russian
toadflax
turnip, wild
velvetleaf
volunteer wheat
wild oats

Partial control

partial2

dock, curly
knawel

Suppression

suppression17

barley, hare
blackgrass
bluegrass, bulbous
brome, ripgut
buttercup
horsenettle
morningglory, entireleaf
morningglory, ivyleaf
morningglory, pitted
morningglory, tall
nightshade, hairy
nutsedge, yellow
poinsettia, wild
spurry, corn
vetch, winter
whitlowgrass, spring
windgrass, common

Controls with a tank-mix partner

needs partner28

amaranth, palmer
barley
beggarweed, florida
buffalobur
burcucumber
copperleaf
copperleaf, hophornbeam
cupgrass
eclipta
groundsel, common
morningglory, smallflower
nightshade, black
nightshade, eastern black
panicum, texas
poorjoe
ragweed, giant
red rice
ryegrass
senna, coffee
shattercane
smartweed, swamp
sorghum, volunteer
sprangletop
starbur, bristly
stinkgrass
thistle, canada
waterhemp, common
witchgrass

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Tigris MTZ 4 F 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, 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.

Tigris MTZ 4 F FAQ

What weeds does Tigris MTZ 4 F control?

The Tigris MTZ 4 F label names 161 weeds, including ageratum, alexandergrass, spiny amaranth, spleen amaranth, spurred anoda, and little barley. Control varies by crop, rate, and timing.

What crops is Tigris MTZ 4 F labeled for?

Tigris MTZ 4 F is labeled for 13 crops and uses, including field corn, soybeans, potato, barley, and alfalfa.

What is the active ingredient in Tigris MTZ 4 F? Is it a generic?

Tigris MTZ 4 F'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 Tigris MTZ 4 F?

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.

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Can I tank-mix Tigris MTZ 4 F?

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.