Herbicide label

Tigris MTZ 4 F Herbicide Label

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.

Tigris MTZ 4 F label facts

Crops on the Tigris MTZ 4 F label

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

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

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.

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.

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.

Sources

Last updated 2026-09-30.