Herbicide label

Affinity BroadSpec

Affinity BroadSpec (EPA 352-661) is a Group 2 thifensulfuron and tribenuron-methyl herbicide labeled for 6 crops. The label lists 71 controlled weeds, plus partial-control, suppression, and partner-control categories.

Build the herbicide program for your field

Tell FieldMarshal your crop, weeds, and rotation. Get back a complete program, products, rates, plant-back, and tank-mix, with every line checked against the label so you can verify it yourself.

Built from 1,700+ EPA herbicide labels and 49 state weed-control guides. Made for crop advisors and growers.

Free to create your account. Every line references the label, so you can check it against the source.

Official EPA label (PDF)

“AFFINITY® BroadSpec is absorbed primarily through the foliage of plants, rapidly inhibiting the growth of susceptible weeds.”

— Affinity BroadSpec EPA label, Reg. No. 352-661

Affinity BroadSpec label facts

Crops on the Affinity BroadSpec label

Affinity BroadSpec is labeled for these 6 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 Affinity BroadSpec label

The Affinity BroadSpec label names 81 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 control71
  • knawel, annual
  • marshelder
  • sowthistle, annual
  • mayweed, chamomile
  • mustard, black
  • miner's lettuce
  • mustard, blue
  • mustard, purple
  • dock, broadleaf
  • buttercup, bur
  • lambsquarters, narrowleaf
  • catchfly, nightflowering
  • smartweed, pennsylvania
  • wallflower, bushy
  • mustard, treacle
  • thistle, canada
  • pepperweed, clasping
  • pineapple-weed
  • prickly lettuce
  • knotweed, prostrate
  • pigweed, prostrate
  • fiddleneck
  • buckwheat, common
  • redmaids
  • pigweed, redroot
  • chickweed, common
  • thistle, russian
  • cocklebur, common
  • groundsel, common
  • lambsquarters, common
  • ragweed, common
  • sunflower, annual
  • chamomile, corn
  • gromwell, corn
  • spurry, corn
  • cowcockle
  • cress, mouse-ear
  • chamomile, scentless
  • mayweed
  • shepherd's-purse
  • lambsquarters, slimleaf
  • buttercup, smallflower
  • falseflax, smallseed
  • chickweed, stinking
  • mayweed, stinking
  • dogfennel
  • sunflower
  • dock, curly
  • chamomile, false
  • chickweed, field
  • pennycress, field
  • swinecress
  • tansymustard
  • fiddleneck, tarweed
  • mustard, tumble
  • mustard, jim hill
  • filaree, redstem
  • filaree, texas
  • flixweed
  • smartweed, green
  • henbit
  • kochia
  • ladysthumb
  • volunteer canola
  • lentil, volunteer
  • pea, volunteer
  • cockle, white
  • buckwheat, wild
  • chamomile, wild
  • sage, lanceleaf
  • rocket, london

Partial control

partial7
  • bedstraw, catchweed
  • horseweed
  • mallow, common
  • mallow, little
  • nightshade, cutleaf
  • nightshade, hairy
  • mustard, wild

Suppression

suppression2
  • foxtail, yellow
  • foxtail, green

Controls with a tank-mix partner

needs partner3
  • foxtail, yellow
  • foxtail, green
  • wild oats

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

Affinity BroadSpec 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.

Affinity BroadSpec FAQ

What weeds does Affinity BroadSpec control?

The Affinity BroadSpec label names 81 weeds, including annual knawel, marshelder, annual sowthistle, chamomile mayweed, black mustard, and miner's lettuce. Control varies by crop, rate, and timing.

What crops is Affinity BroadSpec labeled for?

Affinity BroadSpec is labeled for 6 crops and uses, including wheat, barley, oats, triticale, and fallow.

What is the active ingredient in Affinity BroadSpec? Is it a generic?

Affinity BroadSpec'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 Affinity BroadSpec?

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 Affinity BroadSpec?

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 Affinity BroadSpec and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.

Free account and label filter. Building a program is paid, metered by use, so you pay only for what you build.

Sources

Last updated 2026-07-14.