Herbicide label

Ultra Blazer

Ultra Blazer (EPA 70506-60) is a Group 14 acifluorfen herbicide labeled for 3 crops. The label lists 56 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

Ultra Blazer label facts

Crops on the Ultra Blazer label

Ultra Blazer is labeled for these 3 crops and uses, per the EPA label.

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Weeds on the Ultra Blazer label

The Ultra Blazer label names 66 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 control56
  • amaranth, palmer
  • amaranth, spiny
  • balloonvine
  • carpetweed
  • citron
  • cocklebur, common
  • copperleaf, hophornbeam
  • copperleaf, virginia
  • crotalaria, showy
  • croton, tropic
  • croton, woolly
  • crownbeard, golden
  • eclipta
  • foxtail, giant
  • foxtail, green
  • foxtail, yellow
  • galinsoga, hairy
  • galinsoga, smallflower
  • groundcherry, cutleaf
  • groundcherry, lanceleaf
  • indigo, hairy
  • jimsonweed
  • johnsongrass, seedling
  • ladysthumb
  • lambsquarters, common
  • morningglory, cypressvine
  • morningglory, ivyleaf
  • morningglory, palmleaf
  • morningglory, purple moonflower
  • morningglory, red
  • morningglory, small white
  • morningglory, smallflower
  • morningglory, tall
  • mustard, wild
  • nightshade, black
  • nightshade, eastern black
  • panicum, fall
  • pigweed, prostrate
  • pigweed, redroot
  • pigweed, smooth
  • pigweed, spiny
  • poinsettia, wild
  • poorjoe
  • purslane, common
  • pusley, florida
  • ragweed, common
  • ragweed, giant
  • sesbania, hemp
  • shattercane
  • smartweed, pennsylvania
  • smellmelon
  • spurge, prostrate
  • spurge, spotted
  • starbur, bristly
  • velvetleaf
  • waterhemp, common

Partial control

partial5
  • beggarweed, florida
  • buckwheat, wild
  • buffalobur
  • burgherkin
  • senna, coffee

Suppression

suppression5
  • bindweed, field
  • bindweed, hedge
  • milkweed, climbing
  • milkweed, common
  • redvine, trumpetcreeper

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Ultra Blazer 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.

Ultra Blazer FAQ

What weeds does Ultra Blazer control?

The Ultra Blazer label names 66 weeds, including palmer amaranth, spiny amaranth, balloonvine, carpetweed, citron, and common cocklebur. Control varies by crop, rate, and timing.

What crops is Ultra Blazer labeled for?

Ultra Blazer is labeled for 3 crops and uses, including soybeans, peanut, and rice.

What is the active ingredient in Ultra Blazer? Is it a generic?

Ultra Blazer's active ingredient is acifluorfen (MOA Group 14). 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 Ultra Blazer?

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.

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Can I tank-mix Ultra Blazer?

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.