Broadleaf Weed Control In Alfalfa

Do not use on mixed stands.

Broadleaf weed control in alfalfa.

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. Add ams at 8 5 to 17 lb 100 gallons of spray solution. Sethoxydim trade name poast may be used to control grass weeds. Postemergence to weeds roundup ready alfalfa tolerant at all growth stages.

When weeds especially broadleaf weeds threaten seedling alfalfa mowing is often used for control. 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. Roundup ready alfalfa seed quantities limited initially. Post control options for conventional alfalfa.

Weed control in established alfalfa. Remove domestic livestock before application and wait. To control these weeds a post emergence selective herbicide may be used. This can slow the growth of broadleaf weeds while allowing the alfalfa seedlings to re grow with reduced weed competition.

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. Increasing the height when mowing can be a good strategy as well. For newly seeded alfalfa stands mowing can be good a control option for broadleaf weeds. Adjust mowing height so several leaves remain on alfalfa seedlings after clipping to help.

May be tank mixed with pursuit buctril or 2 4 db for broadleaf weed control. Sinbar 80w terbacil may be applied to established alfalfa at up to 1 5 lb a or to a new fall seeding at 0 33 to 0 5 lb a.