Herbicide label

Affinity BroadSpec Herbicide Label

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.

“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.

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 partner1
  • wild oats

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.

Sources

Last updated 2026-09-30.