Broadleaf Weed Control In Alfalfa

Weed control in established alfalfa.

Broadleaf weed control in alfalfa.

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. Add ams at 8 5 to 17 lb 100 gallons of spray solution. Postemergence to weeds roundup ready alfalfa tolerant at all growth stages.

Include a crop oil concentrate in the spray mixture. May be tank mixed with pursuit buctril or 2 4 db for broadleaf weed control. Increasing the height when mowing can be a good strategy as well. Remove domestic livestock before application and wait.

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. When weeds especially broadleaf weeds threaten seedling alfalfa mowing is often used for control. Post control options for conventional 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. 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. Do not use on mixed stands. For newly seeded alfalfa stands mowing can be good a control option for broadleaf weeds.

To control these weeds a post emergence selective herbicide may be used. It will not control weeds that have germinated so tank mix with.