Herbicide label
OSPREY Xtra Herbicide Label
OSPREY Xtra (EPA 264-1195) is a Group 2 mesosulfuron-methyl and thiencarbazone-methyl herbicide labeled for 2 crops. The label lists 16 controlled weeds, plus partial-control, suppression, and partner-control categories.
OSPREY Xtra label facts
- Product OSPREY Xtra
- EPA Reg. No. 264-1195
- Registrant Bayer CropScience, LLC
- Active ingredient mesosulfuron-methyl and thiencarbazone-methyl
- MOA group 2
Crops on the OSPREY Xtra label
OSPREY Xtra is labeled for these 2 crops and uses, per the EPA label.
Weeds on the OSPREY Xtra label
The OSPREY Xtra label names 30 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 control16- blackgrass
- bluegrass, annual
- bluegrass, kentucky
- bluegrass, roughstalk
- canarygrass, hood
- canarygrass, littleseed
- darnel, persian
- mustard, tumble
- mustard, wild
- pennycress, field
- radish, wild
- ryegrass, annual
- ryegrass, italian
- volunteer canola
- wild oats
- windgrass, common
Suppression
suppression14- bluegrass, bulbous
- brome, downy
- brome, japanese
- brome, ripgut
- brome, soft
- cheat
- chess, hairy
- chickweed, common
- rattail fescue
- goatgrass, jointed
- henbit
- pigweed, redroot
- quackgrass
- ventenata
OSPREY Xtra 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.
OSPREY Xtra FAQ
What weeds does OSPREY Xtra control?
The OSPREY Xtra label names 30 weeds, including blackgrass, annual bluegrass, kentucky bluegrass, roughstalk bluegrass, hood canarygrass, and littleseed canarygrass. Control varies by crop, rate, and timing.
What crops is OSPREY Xtra labeled for?
OSPREY Xtra is labeled for 2 crops and uses, including winter wheat and triticale.
What is the active ingredient in OSPREY Xtra? Is it a generic?
OSPREY Xtra's active ingredient is mesosulfuron-methyl and thiencarbazone-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.