Herbicide label
Tough 5EC
Tough 5EC (EPA 91746-5) is a Group 6 pyridate herbicide labeled for 6 crops. The label lists 39 controlled weeds, plus partial-control, suppression, and partner-control categories.
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“TOUGH® 5EC is a selective herbicide for the control or suppression of actively growing emerged broadleaf weeds in Field Corn, Seed Corn, Popcorn, Chickpea (Garbanzo beans), Lentils and Mint.”
Tough 5EC label facts
- Product Tough 5EC
- EPA Reg. No. 91746-5
- Registrant Certis Belchim B.V.
- Active ingredient pyridate
- MOA group 6
Crops on the Tough 5EC label
Tough 5EC is labeled for these 6 crops and uses, per the EPA label.
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the Tough 5EC label
The Tough 5EC 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 control39- amaranth, palmer
- amaranth, spiny
- bedstraw, catchweed
- beggarweed, florida
- burcucumber
- carpetweed
- chamomile, corn
- chickweed, common
- cocklebur, common
- deadnettle, purple
- deadnettle, spotted
- eclipta
- galinsoga, hairy
- galinsoga, smallflower
- henbit
- jimsonweed
- kochia
- lambsquarters, common
- mayweed, chamomile
- nightshade, american black
- nightshade, black
- nightshade, eastern black
- nightshade, purple
- nightshade, silverleaf
- pigweed, fringed
- pigweed, prostrate
- pigweed, redroot
- pigweed, smooth
- pigweed, tumble
- purslane, common
- rocket, yellow
- senna, coffee
- sesbania, hemp
- shepherd's-purse
- spurry, corn
- sunflower, annual
- sunflower, volunteer
- thistle, russian
- waterhemp, common
Partial control
partial2- nutsedge, purple
- nutsedge, yellow
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Tough 5EC 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.
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Tough 5EC FAQ
What weeds does Tough 5EC control?
The Tough 5EC label names 41 weeds, including palmer amaranth, spiny amaranth, catchweed bedstraw, florida beggarweed, burcucumber, and carpetweed. Control varies by crop, rate, and timing.
What crops is Tough 5EC labeled for?
Tough 5EC is labeled for 6 crops and uses, including field corn, seed corn, popcorn, chickpea, and lentils.
What is the active ingredient in Tough 5EC? Is it a generic?
Tough 5EC's active ingredient is pyridate (MOA Group 6). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.
Can I tank-mix Tough 5EC?
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.
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Sources
Last updated 2026-07-14.