Herbicide label
MTZ Co-Pack Herbicide Label
MTZ Co-Pack (EPA 70506-68-59639) is a Group 5 metribuzin herbicide labeled for 1 crops. The label lists 35 controlled weeds, plus partial-control, suppression, and partner-control categories.
MTZ Co-Pack label facts
- Product MTZ Co-Pack
- EPA Reg. No. 70506-68-59639
- Distributor Valent U. S. A. LLC
- Active ingredient metribuzin
- MOA group 5
Crops on the MTZ Co-Pack label
MTZ Co-Pack is labeled for these 1 crops and uses, per the EPA label.
Weeds on the MTZ Co-Pack label
The MTZ Co-Pack label names 41 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 control35- starbur, bristly
- buffalobur
- carpetweed
- copperleaf, hophornbeam
- beggarweed, florida
- pusley, florida
- galinsoga
- jimsonweed
- knotweed
- kochia
- lambsquarters
- pigweed
- sida, prickly
- purslane, common
- ragweed, common
- redweed
- thistle, russian
- sesbania
- shepherd's-purse
- sicklepod
- smartweed
- spurge, spotted
- anoda, spurred
- sunflower
- velvetleaf
- mallow, venice
- mustard, wild
- bluegrass, annual
- signalgrass, broadleaf
- millet, browntop
- crabgrass
- crowfootgrass
- goosegrass
- johnsongrass, seedling
- junglerice
Partial control
partial3- cocklebur, common
- barnyardgrass, common
- foxtail
Suppression
suppression3- foxtail, green
- foxtail, yellow
- foxtail, giant
MTZ Co-Pack 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.
MTZ Co-Pack FAQ
What weeds does MTZ Co-Pack control?
The MTZ Co-Pack label names 41 weeds, including bristly starbur, buffalobur, carpetweed, hophornbeam copperleaf, florida beggarweed, and florida pusley. Control varies by crop, rate, and timing.
What crops is MTZ Co-Pack labeled for?
MTZ Co-Pack is labeled for 1 crops and uses, including soybeans.
What is the active ingredient in MTZ Co-Pack? Is it a generic?
MTZ Co-Pack'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.