Herbicide label
Affinity BroadSpec Herbicide Label
Affinity BroadSpec (EPA 279-9601) is a Group 2 thifensulfuron and tribenuron-methyl herbicide labeled for 7 crops. The label lists 66 controlled weeds, plus partial-control, suppression, and partner-control categories.
“AFFINITY BroadSpec herbicide is absorbed primarily through the foliage of plants, rapidly inhibiting the growth of susceptible weeds.”
Affinity BroadSpec label facts
- Product Affinity BroadSpec
- EPA Reg. No. 279-9601
- Registrant FMC Corporation
- Active ingredient thifensulfuron and tribenuron-methyl
- MOA group 2
Crops on the Affinity BroadSpec label
Affinity BroadSpec is labeled for these 7 crops and uses, per the EPA label.
Weeds on the Affinity BroadSpec label
The Affinity BroadSpec label names 74 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
- volunteer canola
- catchfly, nightflowering
- chamomile, corn
- chamomile, false
- mayweed, chamomile
- chamomile, scentless
- chamomile, wild
- chickweed, common
- chickweed, field
- chickweed, stinking
- cockle, white
- cocklebur, common
- cowcockle
- cress, mouse-ear
- dock, broadleaf
- dock, curly
- falseflax, smallseed
- fiddleneck
- fiddleneck, tarweed
- filaree, redstem
- filaree, texas
- flixweed
- gromwell, corn
- groundsel, common
- henbit
- knawel, annual
- knotweed, prostrate
- kochia
- ladysthumb
- lambsquarters, common
- lambsquarters, narrowleaf
- lambsquarters, slimleaf
- lentil, volunteer
- prickly lettuce
- marshelder
- mayweed, stinking
- miner's lettuce
- mustard, black
- mustard, blue
- mustard, tumble
- mustard, wild
- pea, volunteer
- pennycress, field
- pepperweed, clasping
- pigweed, prostrate
- pigweed, redroot
- pineapple-weed
- ragweed, common
- redmaids
- rocket, london
- sage, lanceleaf
- shepherd's-purse
- smartweed, green
- smartweed, pennsylvania
- sowthistle, annual
- spurry, corn
- sunflower, annual
- swinecress
- tansymustard
- thistle, canada
- thistle, russian
- wallflower, bushy
Partial control
partial6- bedstraw, catchweed
- mallow, common
- mallow, little
- horseweed
- nightshade, cutleaf
- nightshade, hairy
Controls with a tank-mix partner
needs partner2- foxtail, green
- foxtail, yellow
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 74 weeds, including common buckwheat, wild buckwheat, bur buttercup, smallflower buttercup, volunteer canola, and nightflowering catchfly. Control varies by crop, rate, and timing.
What crops is Affinity BroadSpec labeled for?
Affinity BroadSpec is labeled for 7 crops and uses, including soybeans, wheat, barley, triticale, and oats.
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.