Herbicide label
Metriclude EXT Herbicide Label
Metriclude EXT (EPA 1381-197-33270) is a Group 5 metribuzin herbicide labeled for 15 crops. The label lists 135 controlled weeds, plus partial-control, suppression, and partner-control categories.
Metriclude EXT label facts
- Product Metriclude EXT
- EPA Reg. No. 1381-197-33270
- Active ingredient metribuzin
- MOA group 5
Crops on the Metriclude EXT label
Metriclude EXT is labeled for these 15 crops and uses, per the EPA label.
Weeds on the Metriclude EXT label
The Metriclude EXT label names 175 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 control135- ageratum
- alexandergrass
- amaranth, spiny
- amaranth, spleen
- cudweed
- euphorbia, wild
- fireweed
- groundsel, cressleaf
- guineagrass
- haole koa
- hialoa
- hilahila
- oats, winter
- paintbrush, flora's
- panicum, broadleaf
- plushgrass
- rattlepod
- richardia
- ricegrass
- spurge, garden
- spurge, graceful
- tarweed
- anoda, spurred
- beggarweed, florida
- copperleaf, hophornbeam
- crowfootgrass
- dayflower
- galinsoga
- junglerice
- mexicanweed
- millet, browntop
- redweed
- sesbania, hemp
- smartweed
- spurge, spotted
- starbur, bristly
- barley, little
- pepperweed, virginia
- rescuegrass
- barley, mouse
- bromegrass, smooth
- canarygrass, littleseed
- cockle, white
- deadnettle, purple
- fleabane, rough
- flixweed
- foxtail barley
- goosefoot, nettleleaf
- knotweed, silversheath
- mallow, little
- pepperweed, field
- rocket, yellow
- salsify, meadow
- sowthistle, spiny
- barnyardgrass, common
- ragweed, common
- bindweed, field
- bittercress
- catchfly, conical
- catchweed
- corncockle
- eveningprimrose, cutleaf
- falseflax, smallseed
- fiddleneck
- filaree, redstem
- geranium
- gromwell, carolina
- miner's lettuce
- polemonium, annual
- radish, wild
- turnip, wild
- bluegrass, annual
- brome, downy
- cheat
- brome, japanese
- buckwheat, wild
- buffalobur
- ladysthumb
- mallow, venice
- sandbur, field
- sida, prickly
- velvetleaf
- carpetweed
- sicklepod
- chickweed, common
- chickweed, mouseear
- cocklebur, common
- crabgrass, smooth
- foxtail, giant
- foxtail, yellow
- jimsonweed
- panicum, fall
- pigweed, smooth
- cowcockle
- crabgrass
- foxtail, bristlegrass
- foxtail, bristly
- crabgrass, large
- johnsongrass, seedling
- dandelion
- dogfennel
- foxtail, green
- foxtail
- goosegrass
- henbit
- horseweed
- knotweed
- pusley, florida
- knotweed, prostrate
- pineapple-weed
- kochia
- lambsquarters, common
- mustard, blue
- mustard, hill
- mustard, indian
- mustard, tansy
- mustard, treacle
- mustard, tumble
- mustard, wild
- pennycress, field
- pigweed
- pigweed, redroot
- prickly lettuce
- purslane, common
- rattail fescue
- rocket, london
- sowthistle
- 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
- barley, hare
- blackgrass
- bluegrass, bulbous
- buttercup
- vetch, winter
- whitlowgrass, spring
- windgrass, common
- morningglory, ivyleaf
- morningglory, pitted
- morningglory, tall
- brome, ripgut
- nightshade, hairy
- nutsedge, yellow
- ryegrass
- spurry, corn
Controls with a tank-mix partner
needs partner21- amaranth, palmer
- eclipta
- nightshade, eastern black
- poorjoe
- burcucumber
- smartweed, swamp
- thistle, canada
- cupgrass
- groundsel, common
- morningglory, smallflower
- shattercane
- witchgrass
- nightshade, black
- panicum, texas
- ragweed, giant
- red rice
- sorghum, volunteer
- sprangletop
- stinkgrass
- senna, coffee
- waterhemp, common
Metriclude EXT 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.
Metriclude EXT FAQ
What weeds does Metriclude EXT control?
The Metriclude EXT label names 175 weeds, including ageratum, alexandergrass, spiny amaranth, spleen amaranth, cudweed, and wild euphorbia. Control varies by crop, rate, and timing.
What crops is Metriclude EXT labeled for?
Metriclude EXT is labeled for 15 crops and uses, including field corn, soybeans, potato, barley, and alfalfa.
What is the active ingredient in Metriclude EXT? Is it a generic?
Metriclude EXT'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.