Herbicide label
Thunder Master
Thunder Master (EPA 42750-147) is a Group 2 and 9 glyphosate and imazethapyr herbicide labeled for 3 crops. The label lists 74 controlled weeds, plus partial-control, suppression, and partner-control categories.
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Thunder Master label facts
- Product Thunder Master
- EPA Reg. No. 42750-147
- Registrant Albaugh, LLC
- Active ingredient glyphosate and imazethapyr
- MOA group 2 and 9
Crops on the Thunder Master label
Thunder Master is labeled for these 3 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 Thunder Master label
The Thunder Master label names 75 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 control74- alligatorweed
- amaranth, palmer
- anoda, spurred
- jerusalem artichoke
- barley
- barnyardgrass, common
- starbur, bristly
- buckwheat, wild
- buffalobur
- burcucumber
- carpetweed
- chickweed
- cocklebur, common
- corn, volunteer non-Roundup Ready
- crabgrass, large
- crabgrass, smooth
- cupgrass, woolly
- eclipta
- fleabane, annual
- fleabane, hairy
- fleabane, rough
- foxtail, giant
- foxtail, green
- foxtail, yellow
- goosegrass
- sesbania, hemp
- horseweed
- jimsonweed
- rhizome johnsongrass
- johnsongrass, seedling
- kochia
- knotweed
- ladysthumb
- lambsquarters, common
- mallow, common
- mallow, little
- marshelder
- morning glory, annual
- mustard spp.
- nightshade, black
- nightshade, eastern black
- nightshade, hairy
- nutsedge, purple
- nutsedge, yellow
- oats
- panicum, browntop
- panicum, fall
- panicum, texas
- pepperweed, virginia
- pigweed, redroot
- pigweed, smooth
- pigweed, spiny
- radish, wild
- ragweed, common
- ragweed, giant
- red rice
- rocket, london
- rocket, yellow
- cereal rye
- shattercane
- shepherd's-purse
- sicklepod
- signalgrass, broadleaf
- smartweed, ladysthumb
- smartweed, pennsylvania
- sorghum, almum
- sprangletop
- spurge, prostrate
- spurge, spotted
- sida, prickly
- velvetleaf
- waterhemp, common
- volunteer wheat
- wild oats
Suppression
suppression2- nutsedge, purple
- nutsedge, yellow
Controls with a tank-mix partner
needs partner1- dogbane, hemp
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
Thunder Master 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, the rotational crop, and your state, region, and rainfall — some intervals differ in IN, KY, MN, ND, and TN.
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.
Thunder Master FAQ
What weeds does Thunder Master control?
The Thunder Master label names 75 weeds, including alligatorweed, palmer amaranth, spurred anoda, jerusalem artichoke, barley, and common barnyardgrass. Control varies by crop, rate, and timing.
What crops is Thunder Master labeled for?
Thunder Master is labeled for 3 crops and uses, including field corn, soybeans, and alfalfa.
What is the active ingredient in Thunder Master? Is it a generic?
Thunder Master's active ingredient is glyphosate and imazethapyr (MOA Group 2 and 9). 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 Thunder Master?
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.
Build a program →Can I tank-mix Thunder Master?
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.
Build a program →Plan in minutes, not hours.
Start with Thunder Master and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.
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Sources
Last updated 2026-07-14.