Herbicide label

Volta Extra Herbicide Label

Volta Extra (EPA 83100-24-83979) is a Group 2 thifensulfuron and tribenuron-methyl herbicide labeled for 15 crops. The label lists 66 controlled weeds, plus partial-control, suppression, and partner-control categories.

Volta Extra label facts

Crops on the Volta Extra label

Volta Extra is labeled for these 15 crops and uses, per the EPA label.

Weeds on the Volta Extra label

The Volta Extra 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 control66
  • buckwheat, common
  • buckwheat, wild
  • buttercup, bur
  • buttercup, smallflower
  • catchfly, nightflowering
  • chamomile, corn
  • chamomile, false
  • mayweed, chamomile
  • chamomile, scentless
  • chamomile, wild
  • chickweed, common
  • chickweed, field
  • chickweed, stinking
  • cowcockle
  • cress, mouse-ear
  • dock, broadleaf
  • dock, curly
  • falseflax, smallseed
  • fiddleneck
  • fiddleneck, tarweed
  • filaree, redstem
  • filaree, texas
  • flixweed
  • garlic, wild
  • gromwell, corn
  • groundsel, common
  • knawel, annual
  • kochia
  • knotweed, prostrate
  • ladysthumb
  • lambsquarters, common
  • lambsquarters, narrowleaf
  • lambsquarters, slimleaf
  • lentil, volunteer
  • miner's lettuce
  • prickly lettuce
  • mayweed, stinking
  • mustard, black
  • mustard, blue
  • mustard, tumble
  • mustard, wild
  • pea, volunteer
  • pennycress, field
  • pepperweed, clasping
  • pigweed, prostrate
  • pigweed, redroot
  • pineapple-weed
  • radish, common
  • radish, wild
  • ragweed, common
  • redmaids
  • rocket, london
  • sage, lanceleaf
  • shepherd's-purse
  • smartweed, green
  • smartweed, pennsylvania
  • sowthistle, annual
  • spurry, corn
  • sunflower, annual
  • sunflower
  • swinecress
  • tansymustard
  • thistle, canada
  • thistle, russian
  • vetch
  • wallflower, bushy

Partial control

partial7
  • bedstraw, catchweed
  • eveningprimrose, cutleaf
  • carolina geranium
  • mallow, common
  • mallow, little
  • nightshade, cutleaf
  • nightshade, hairy

Controls with a tank-mix partner

needs partner2
  • cocklebur, common
  • wild oats

Volta Extra 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.

Volta Extra FAQ

What weeds does Volta Extra control?

The Volta Extra label names 75 weeds, including common buckwheat, wild buckwheat, bur buttercup, smallflower buttercup, nightflowering catchfly, and corn chamomile. Control varies by crop, rate, and timing.

What crops is Volta Extra labeled for?

Volta Extra is labeled for 15 crops and uses, including field corn, soybeans, wheat, cotton, and sugar beet.

What is the active ingredient in Volta Extra? Is it a generic?

Volta Extra's active ingredient is thifensulfuron and tribenuron-methyl (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.