Herbicide label

PRE-Tector Plus EC

PRE-Tector Plus EC (EPA 34704-1115) is a Group 2 and 3 imazethapyr and pendimethalin herbicide labeled for 3 crops. The label lists 60 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

“This product controls weeds by uptake by weed roots, and translocation to the growing points where it stops weed growth.”

— PRE-Tector Plus EC EPA label, Reg. No. 34704-1115

PRE-Tector Plus EC label facts

Crops on the PRE-Tector Plus EC label

PRE-Tector Plus EC is labeled for these 3 crops and uses, per the EPA label.

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Weeds on the PRE-Tector Plus EC label

The PRE-Tector Plus EC 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 control60
  • alligatorweed
  • anoda, spurred
  • jerusalem artichoke
  • barnyardgrass, common
  • buffalobur
  • carpetweed
  • cocklebur, common
  • crabgrass, large
  • crabgrass, smooth
  • crowfootgrass
  • cupgrass, wooly
  • devilsclaw
  • foxtail, giant
  • foxtail, green
  • foxtail, yellow
  • galinsoga
  • goosegrass
  • jimsonweed
  • johnsongrass, seedling
  • kochia
  • lambsquarters, common
  • mallow, venice
  • marshelder
  • morning glory, entireleaf
  • morning glory, ivyleaf
  • morning glory, pitted
  • morning glory, smallflower
  • morning glory, tall
  • mustard
  • mustard, wild
  • nightshade, black
  • nightshade, eastern black
  • nightshade, hairy
  • panicum, browntop
  • panicum, fall
  • panicum, texas
  • amaranth, palmer
  • pigweed, redroot
  • pigweed, smooth
  • pigweed, spiny
  • poinsettia, wild
  • puncturevine
  • purslane, common
  • pusley, florida
  • ragweed, common
  • ragweed, giant
  • red rice
  • sandbur, field
  • shattercane
  • sida, prickly
  • signalgrass, broadleaf
  • smartweed, ladysthumb
  • smartweed, pennsylvania
  • sorghum almum
  • spurge, prostrate
  • spurge, spotted
  • sunflower
  • velvetleaf
  • waterhemp, common
  • witchgrass

Partial control

partial21
  • barnyardgrass, common
  • buffalobur
  • cocklebur, common
  • cupgrass, wooly
  • goosegrass
  • rhizome johnsongrass
  • lambsquarters, common
  • millet, wild-proso
  • morning glory, entireleaf
  • morning glory, ivyleaf
  • morning glory, pitted
  • morning glory, tall
  • nutsedge, purple
  • nutsedge, yellow
  • ragweed, common
  • ragweed, giant
  • sage, barnyard
  • shattercane
  • signalgrass, broadleaf
  • sorghum almum
  • thistle, canada

Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.

PRE-Tector Plus EC 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 and your soil texture.

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 AL, AR, AZ, CA, CO, DE, FL, GA, IA, IL, IN, KS, KY, LA, MD, MI, MN, MO, MS, NC, ND, NE, NJ, NM, NV, OH, OK, PA, SC, SD, TN, TX, UT, VA, WI, WV, and WY.

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.

PRE-Tector Plus EC FAQ

What weeds does PRE-Tector Plus EC control?

The PRE-Tector Plus EC label names 66 weeds, including alligatorweed, spurred anoda, jerusalem artichoke, common barnyardgrass, buffalobur, and carpetweed. Control varies by crop, rate, and timing.

What crops is PRE-Tector Plus EC labeled for?

PRE-Tector Plus EC is labeled for 3 crops and uses, including field corn, soybeans, and dry edible bean.

What is the active ingredient in PRE-Tector Plus EC? Is it a generic?

PRE-Tector Plus EC's active ingredient is imazethapyr and pendimethalin (MOA Group 2 and 3). 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 PRE-Tector Plus EC?

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 PRE-Tector Plus EC?

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.