Herbicide label

Volta Extra

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.

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Official EPA label (PDF)

Volta Extra label facts

Product Volta Extra
EPA Reg. No. 83100-24-83979
Distributor Rotam North America, Inc.
Active ingredient thifensulfuron and tribenuron-methyl
MOA group 2

Crops on the Volta Extra label

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

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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, volunteer
swinecress
tansymustard
thistle, canada
thistle, russian
vetch
wallflower, bushy

Partial control

partial10

bedstraw, catchweed
eveningprimrose, cutleaf
carolina geranium
mallow, common
mallow, little
nightshade, cutleaf
nightshade, hairy
radish, wild
thistle, canada
vetch

Controls with a tank-mix partner

needs partner2

cocklebur, common
wild oats

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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.

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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, DE, GA, IA, ID, IL, IN, KY, LA, MD, MO, MS, NC, OH, PA, SC, TN, TX, and VA.

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.

What's the plant-back interval after Volta Extra?

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 Volta Extra?

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.