Herbicide label
Metrixx Herbicide Label
Metrixx (EPA 83529-44) is a Group 5 metribuzin herbicide labeled for 14 crops. The label lists 132 controlled weeds, plus partial-control, suppression, and partner-control categories.
Metrixx label facts
- Product Metrixx
- EPA Reg. No. 83529-44
- Registrant Sharda USA LLC
- Active ingredient metribuzin
- MOA group 5
Crops on the Metrixx label
Metrixx is labeled for these 14 crops and uses, per the EPA label.
Weeds on the Metrixx label
The Metrixx label names 173 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 control132- ageratum
- alexandergrass
- amaranth, spiny
- amaranth, spleen
- crotalaria, showy
- cudweed
- euphorbia, wild
- fireweed
- flora's paintbrush
- goosegrass
- groundsel, cressleaf
- guineagrass
- haole koa
- hialoa
- hilahila
- oats, winter
- panicum, broadleaf
- plushgrass
- richardia
- ricegrass
- spurge, garden
- spurge, graceful
- tarweed
- anoda, spurred
- beggarweed, florida
- copperleaf, hophornbeam
- crowfootgrass
- dayflower
- fumitory
- galinsoga
- junglerice
- millet, browntop
- redweed
- sesbania, hemp
- smartweed
- sorrel, red
- spurge, spotted
- starbur, bristly
- toadflax
- barley, little
- pepperweed, virginia
- barley, mouse
- bromegrass, smooth
- canarygrass
- cockle, white
- deadnettle, purple
- fleabane, rough
- flixweed
- foxtail barley
- goosefoot, nettleleaf
- mallow, little
- pepperweed, field
- rocket, yellow
- salsify, meadow
- barnyardgrass, common
- ragweed, common
- bindweed, field
- bittercress
- catchfly, conical
- catchweed
- corn cockle
- eveningprimrose, cutleaf
- falseflax, smallseed
- fiddleneck
- filaree, redstem
- geranium
- gromwell, carolina
- miner's lettuce
- polemonium, annual
- radish, wild
- turnip, wild
- bluegrass, annual
- brome, japanese
- rescuegrass
- brome, downy
- cheat
- buckwheat, wild
- buffalobur
- ladysthumb
- mallow, venice
- sandbur, field
- sida, prickly
- velvetleaf
- carpetweed
- sicklepod
- chickweed, common
- chickweed, mouseear
- cocklebur, common
- jimsonweed
- panicum, fall
- cowcockle
- crabgrass
- crabgrass, large
- johnsongrass, seedling
- dandelion
- rattail fescue
- foxtail
- foxtail, yellow
- foxtail, bristly
- foxtail, green
- henbit
- horseweed
- knotweed
- pusley, florida
- knotweed, prostrate
- pineapple-weed
- kochia
- lambsquarters, common
- prickly lettuce
- mayweed
- mustard, blue
- mustard, indian
- mustard, tansy
- mustard, tumble
- mustard, treacle
- mustard, wild
- pennycress, field
- pigweed
- pigweed, redroot
- pigweed, smooth
- purslane
- rocket, london
- sowthistle
- sowthistle, spiny
- shepherd's-purse
- signalgrass, broadleaf
- smartweed, pennsylvania
- speedwell
- sunflower
- thistle, russian
- volunteer wheat
- wild oats
Partial control
partial2- knawel
- dock, curly
Suppression
suppression17- horsenettle
- poinsettia, wild
- blackgrass
- bluegrass, bulbous
- buttercup
- vetch, winter
- whitlowgrass, spring
- windgrass, common
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, pitted
- morningglory, tall
- brome, ripgut
- nightshade, hairy
- nutsedge, yellow
- ryegrass
- spurry, corn
Controls with a tank-mix partner
needs partner22- amaranth, palmer
- eclipta
- nightshade, eastern black
- poorjoe
- barley
- burcucumber
- cupgrass
- groundsel, common
- morningglory, smallflower
- shattercane
- witchgrass
- nightshade, black
- panicum, texas
- red rice
- sorghum, volunteer
- sprangletop
- stinkgrass
- ragweed, giant
- senna, coffee
- smartweed, swamp
- thistle, canada
- waterhemp, common
Metrixx 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.
Metrixx FAQ
What weeds does Metrixx control?
The Metrixx label names 173 weeds, including ageratum, alexandergrass, spiny amaranth, spleen amaranth, showy crotalaria, and cudweed. Control varies by crop, rate, and timing.
What crops is Metrixx labeled for?
Metrixx is labeled for 14 crops and uses, including field corn, soybeans, potato, barley, and alfalfa.
What is the active ingredient in Metrixx? Is it a generic?
Metrixx'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.