Herbicide label
FirstShot SG Herbicide Label
FirstShot SG (EPA 352-755) is a Group 2 thifensulfuron and tribenuron-methyl herbicide labeled for 7 crops. The label lists 68 controlled weeds, plus partial-control, suppression, and partner-control categories.
FirstShot SG label facts
- Product FirstShot SG
- EPA Reg. No. 352-755
- Registrant Corteva Agriscience
- Active ingredient thifensulfuron and tribenuron-methyl
- MOA group 2
Crops on the FirstShot SG label
FirstShot SG is labeled for these 7 crops and uses, per the EPA label.
Weeds on the FirstShot SG label
The FirstShot SG label names 77 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 control68- knawel, annual
- sowthistle, annual
- mustard, black
- mustard, blue
- mustard, purple
- dock, broadleaf
- buttercup, bur
- wallflower, bushy
- mustard, treacle
- carolina geranium
- pepperweed, clasping
- fiddleneck
- buckwheat, common
- chickweed, common
- cocklebur, common
- groundsel, common
- lambsquarters, common
- radish, common
- ragweed, common
- sunflower, annual
- chamomile, corn
- spurry, corn
- cowcockle
- cress, mouse-ear
- dock, curly
- chamomile, false
- chickweed, field
- pennycress, field
- filaree, redstem
- filaree, texas
- flixweed
- smartweed, green
- henbit
- ladysthumb
- rocket, london
- marshelder
- mayweed, chamomile
- miner's lettuce
- lambsquarters, narrowleaf
- catchfly, nightflowering
- smartweed, pennsylvania
- pineapple-weed
- prickly lettuce
- knotweed, prostrate
- pigweed, prostrate
- redmaids
- pigweed, redroot
- chamomile, scentless
- mayweed
- shepherd's-purse
- lambsquarters, slimleaf
- buttercup, smallflower
- falseflax, smallseed
- chickweed, stinking
- mayweed, stinking
- dogfennel
- swinecress
- tansymustard
- fiddleneck, tarweed
- mustard, tumble
- mustard, jim hill
- lentil, volunteer
- pea, volunteer
- sunflower
- chamomile, wild
- garlic, wild
- mustard, wild
- radish, wild
Partial control
partial9- bedstraw, catchweed
- eveningprimrose, cutleaf
- mallow, common
- mallow, little
- horseweed
- nightshade, cutleaf
- nightshade, hairy
- vetch
- vetch, hairy
Controls with a tank-mix partner
needs partner4- eveningprimrose, cutleaf
- horseweed
- vetch
- vetch, hairy
FirstShot SG 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.
FirstShot SG FAQ
What weeds does FirstShot SG control?
The FirstShot SG label names 77 weeds, including annual knawel, annual sowthistle, black mustard, blue mustard, purple mustard, and broadleaf dock. Control varies by crop, rate, and timing.
What crops is FirstShot SG labeled for?
FirstShot SG is labeled for 7 crops and uses, including soybeans, wheat, sorghum, rice, and fallow.
What is the active ingredient in FirstShot SG? Is it a generic?
FirstShot SG'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.