Post control options for conventional alfalfa.
Broadleaf weed control in alfalfa.
Remove domestic livestock before application and wait.
When weeds especially broadleaf weeds threaten seedling alfalfa mowing is often used for control.
May be tank mixed with pursuit buctril or 2 4 db for broadleaf weed control.
Adjust mowing height so several leaves remain on alfalfa seedlings after clipping to help.
Up to 44 oz a roundup original max or weathermax in a single application not to exceed a total 132 oz a for in crop treatments per year.
This can slow the growth of broadleaf weeds while allowing the alfalfa seedlings to re grow with reduced weed competition.
It will not control weeds that have germinated so tank mix with.
Postemergence to weeds roundup ready alfalfa tolerant at all growth stages.
To control these weeds a post emergence selective herbicide may be used.
Vigorous weed growth this spring may make it extra tough for your seedlings as weeds reduce growth of new alfalfa by shading and competing for moisture.
Group 15 received a 24 c supplemental label for use in seedling 4 alfalfa trifoliates and established alfalfa can be applied after spring green up to provide residual control of annual grasses and broadleaf weeds at a rate of 1 25 to 2 quarts a.
2 4 db trade names butoxone butyrac alone or mixed with bromoxynil trade name buctril are two herbicides that have shown promise in controlling small broadleaf weeds.
Weed control in established alfalfa.
Do not use on mixed stands.
Add ams at 8 5 to 17 lb 100 gallons of spray solution.
Roundup ready alfalfa seed quantities limited initially.
Include a crop oil concentrate in the spray mixture.
Sethoxydim trade name poast may be used to control grass weeds.