Herbicide label
TriCor DF
TriCor DF (EPA 70506-103) is a Group 5 metribuzin herbicide labeled for 15 crops. The label lists 138 controlled weeds, plus partial-control, suppression, and partner-control categories.
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TriCor DF label facts
- Product TriCor DF
- EPA Reg. No. 70506-103
- Registrant UPL NA, Inc.
- Active ingredient metribuzin
- MOA group 5
Crops on the TriCor DF label
TriCor DF is labeled for these 15 crops and uses, per the EPA label.
- field corn
- soybean
- potato
- barley
- alfalfa
- chickpea
- corn silage
- fallow
- field pea
- grass seed
- lentil
- seed corn
- sugarcane
- sweet corn
- winter wheat
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the TriCor DF label
The TriCor DF label names 179 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 control138- ageratum
- alexandergrass
- amaranth, spiny
- amaranth, spleen
- anoda, spurred
- barley, little
- barley, mouse
- barnyardgrass, common
- beggarweed, florida
- bindweed, field
- bittercress
- bluegrass, annual
- brome, downy
- brome, japanese
- bromegrass, smooth
- buckwheat, wild
- buffalobur
- canarygrass, littleseed
- carpetweed
- catchfly, conical
- catchweed
- cheat
- chickweed, common
- chickweed, mouseear
- cockle, white
- cocklebur, common
- copperleaf, hophornbeam
- corncockle
- cowcockle
- crabgrass
- crabgrass, large
- crabgrass, smooth
- crowfootgrass
- cudweed
- dandelion
- dayflower
- deadnettle, purple
- dogfennel
- euphorbia, wild
- eveningprimrose, cutleaf
- falseflax, smallseed
- rattail fescue
- fiddleneck
- filaree, redstem
- fireweed
- fleabane, rough
- flixweed
- foxtail barley
- foxtail, bristlegrass
- foxtail, bristly
- foxtail, giant
- foxtail, green
- foxtail, yellow
- foxtail
- fumitory
- galinsoga
- geranium
- goosefoot, nettleleaf
- goosegrass
- gromwell, carolina
- groundsel, cressleaf
- guineagrass
- haole koa
- henbit
- hilahila
- horseweed
- jimsonweed
- johnsongrass, seedling
- junglerice
- knotweed
- knotweed, prostrate
- knotweed, silversheath
- kochia
- ladysthumb
- lambsquarters, common
- miner's lettuce
- mallow, little
- mallow, venice
- mexicanweed
- millet, browntop
- mustard, blue
- mustard, indian
- mustard, tansy
- mustard, treacle
- mustard, tumble
- mustard, wild
- wild oats
- oats, winter
- paintbrush, flora's
- panicum, broadleaf
- panicum, fall
- pennycress, field
- pepperweed
- pepperweed, field
- pepperweed, virginia
- pigweed
- pigweed, redroot
- pigweed, smooth
- pineapple-weed
- plushgrass
- polemonium, annual
- prickly lettuce
- purslane, common
- pusley, florida
- radish, wild
- ragweed, common
- rattlepod
- redweed
- rescuegrass
- richardia
- ricegrass
- rocket, london
- rocket, yellow
- salsify, meadow
- sandbur, field
- sesbania
- shepherd's-purse
- sicklepod
- sida, prickly
- signalgrass, broadleaf
- smartweed, pennsylvania
- smartweeds
- sorrel, red
- sowthistle
- sowthistle, spiny
- speedwell
- spurge, garden
- spurge, graceful
- spurge, spotted
- starbur, bristly
- sunflower
- tarweed
- thistle, russian
- toadflax
- turnip, wild
- velvetleaf
- waterhemp, common
- volunteer wheat
Partial control
partial2- dock, curly
- knawel
Suppression
suppression18- barley, hare
- blackgrass
- bluegrass, bulbous
- brome, ripgut
- buttercup
- horsenettle
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, pitted
- morningglory, tall
- nightshade, hairy
- nutsedge, yellow
- poinsettia, wild
- ryegrass
- spurry, corn
- vetch, winter
- whitlowgrass, spring
- windgrass, common
Controls with a tank-mix partner
needs partner21- amaranth, palmer
- barley
- burcucumber
- senna, coffee
- cupgrass
- eclipta
- groundsel, common
- morningglory, smallflower
- nightshade, black
- nightshade, eastern black
- panicum, texas
- poorjoe
- ragweed, giant
- red rice
- shattercane
- smartweed, swamp
- sorghum, volunteer
- sprangletop
- stinkgrass
- thistle, canada
- witchgrass
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
TriCor DF 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.
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, the rotational crop, and your state, region, and rainfall — some intervals differ in AK, AL, AR, AZ, CA, CO, CT, 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.
TriCor DF FAQ
What weeds does TriCor DF control?
The TriCor DF label names 179 weeds, including ageratum, alexandergrass, spiny amaranth, spleen amaranth, spurred anoda, and little barley. Control varies by crop, rate, and timing.
What crops is TriCor DF labeled for?
TriCor DF is labeled for 15 crops and uses, including field corn, soybeans, potato, barley, and alfalfa.
What is the active ingredient in TriCor DF? Is it a generic?
TriCor DF'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 TriCor DF?
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.
Build a program →Can I tank-mix TriCor DF?
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.
Build a program →Plan in minutes, not hours.
Start with TriCor DF and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.
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Sources
Last updated 2026-07-14.