Herbicide label
Permit Plus Herbicide Label
Permit Plus (EPA 81880-26-10163) is a Group 2 halosulfuron-methyl and thifensulfuron herbicide labeled for 4 crops. The label lists 49 controlled weeds, plus partial-control, suppression, and partner-control categories.
“PERMIT PLUS can be absorbed through roots, shoots and foliage and is translocated within the plant.”
Permit Plus label facts
- Product Permit Plus
- EPA Reg. No. 81880-26-10163
- Distributor Gowan Company, LLC
- Active ingredient halosulfuron-methyl and thifensulfuron
- MOA group 2
Crops on the Permit Plus label
Permit Plus is labeled for these 4 crops and uses, per the EPA label.
Weeds on the Permit Plus label
The Permit Plus label names 68 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 control49- amaranth, spiny
- arrowhead, California
- chickweed, common
- cocklebur, common
- spurry, corn
- groundcherry, cutleaf
- dayflower
- dayflower, spreading
- deadnettle, purple
- devilsclaw
- ducksalad
- eclipta
- flatsedge, rice
- fleabane, Philadelphia
- galinsoga
- galinsoga, hairy
- crownbeard, golden
- goosefoot
- groundsel, common
- horseweed
- jimsonweed
- jointvetch
- kochia
- ladysthumb
- lambsquarters, common
- prickly lettuce
- mallow, common
- mallow, venice
- mayweed, chamomile
- mustard, wild
- nutsedge, yellow
- nutsedge, purple
- passionflower, maypop
- pigweed, redroot
- pigweed, smooth
- plantain
- pokeweed, common
- radish, wild
- ragweed, common
- ragweed, giant
- ammannia, purple
- bulrush, ricefield
- sesbania, hemp
- smartweed, annual
- sunflower
- texasweed
- velvetleaf
- willowherb
- yellowcress, creeping
Suppression
suppression18- alligatorweed
- barnyardgrass, common
- bindweed, hedge
- burcucumber
- henbit
- horsetail
- milkweed, common
- milkweed, honeyvine
- morningglory, ivyleaf
- morningglory, tall
- pennycress, field
- pepperweed, field
- pepperweed, virginia
- purslane
- shepherd's-purse
- sida, prickly
- smallflower umbrella sedge
- smartweed, pennsylvania
Controls with a tank-mix partner
needs partner1- foxtail
Permit Plus 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.
Permit Plus FAQ
What weeds does Permit Plus control?
The Permit Plus label names 68 weeds, including spiny amaranth, california arrowhead, common chickweed, common cocklebur, corn spurry, and cutleaf groundcherry. Control varies by crop, rate, and timing.
What crops is Permit Plus labeled for?
Permit Plus is labeled for 4 crops and uses, including field corn, soybeans, rice, and fallow.
What is the active ingredient in Permit Plus? Is it a generic?
Permit Plus's active ingredient is halosulfuron-methyl and thifensulfuron (MOA Group 2). 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.