Herbicide label

Vibora Herbicide Label

Vibora (EPA 91234-88-92735) is a Group 2 imazamox herbicide labeled for 6 crops. The label lists 95 controlled weeds, plus partial-control, suppression, and partner-control categories.

“Vibora Herbicide, a soluble liquid, is a postemergence herbicide to control and suppress many broadleaf and grass weeds and sedges, as listed in this label.”

— Vibora EPA label, Reg. No. 91234-88-92735

Vibora label facts

Crops on the Vibora label

Vibora is labeled for these 6 crops and uses, per the EPA label.

Weeds on the Vibora label

The Vibora label names 114 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 control95
  • jerusalem artichoke
  • carpetweed
  • crowfootgrass
  • cupgrass, woolly
  • goosegrass
  • marshelder
  • mustard spp.
  • panicum, fall
  • panicum, texas
  • pigweed, Palmer amaranth
  • pigweed, prostrate
  • pusley, florida
  • sandbur, field
  • signalgrass, broadleaf
  • spurge, annual
  • sunflower
  • witchgrass
  • barley
  • barnyardgrass, common
  • buckwheat, wild
  • chickweed, common
  • cocklebur, common
  • corn, volunteer
  • crabgrass, large
  • foxtail, giant
  • foxtail, green
  • foxtail, yellow
  • jimsonweed
  • kochia
  • lambsquarters, common
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • morningglory, smallflower
  • nightshade, black
  • nightshade, eastern black
  • nightshade, hairy
  • wild oats
  • pigweed, redroot
  • pigweed, smooth
  • pigweed, spiny
  • radish, wild
  • shattercane
  • smartweed, ladysthumb
  • smartweed, pennsylvania
  • velvetleaf
  • wheat, volunteer (non-Clearfield)
  • bedstraw, catchweed
  • beet, wild
  • blackgrass
  • brome, cheat
  • brome, downy
  • brome, japanese
  • buttercup
  • canarygrass, littleseed
  • darnel, persian
  • flixweed
  • goatgrass, jointed
  • knotweed, prostrate
  • miner's lettuce
  • mustard, black
  • mustard, tumble
  • mustard, wild
  • oat, volunteer
  • pennycress, field
  • rocket, london
  • rocket, yellow
  • ryegrass, italian
  • shepherd's-purse
  • spurge, prostrate
  • tansymustard, green
  • brome, california
  • canola, volunteer (non-Clearfield)
  • goosefoot, nettleleaf
  • lovegrass species
  • mallow, common
  • nettle, burning
  • cereal rye
  • rye, feral
  • smartweed, swamp
  • sunflower, annual
  • swinecress
  • thistle, russian
  • crabgrass, smooth
  • puncturevine
  • filaree, redstem
  • filaree, whitestem
  • henbit
  • willoweed, panicle
  • johnsongrass, seedling
  • mallow, venice
  • millet, wild-proso
  • morningglory, tall
  • purslane, common
  • ragweed, common
  • ragweed, giant

Suppression

suppression18
  • bindweed, field
  • bindweed, hedge
  • morningglory, pitted
  • red rice
  • sida, prickly
  • sowthistle, annual
  • stinkgrass
  • rhizome johnsongrass
  • nutsedge, purple
  • quackgrass
  • dock, curly
  • nutsedge, yellow
  • bluegrass, annual
  • dandelion
  • dodder
  • fiddleneck
  • nutsedge, common
  • thistle, canada

Controls with a tank-mix partner

needs partner1
  • waterhemp, common

Vibora 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.

Vibora FAQ

What weeds does Vibora control?

The Vibora label names 114 weeds, including jerusalem artichoke, carpetweed, crowfootgrass, woolly cupgrass, goosegrass, and marshelder. Control varies by crop, rate, and timing.

What crops is Vibora labeled for?

Vibora is labeled for 6 crops and uses, including soybeans, alfalfa, clover, cowpea, and dry edible bean.

What is the active ingredient in Vibora? Is it a generic?

Vibora's active ingredient is imazamox (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.