Broadleaf Weed Control In Alfalfa

For newly seeded alfalfa stands mowing can be good a control option for broadleaf weeds.

Broadleaf weed control in alfalfa.

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. It will not control weeds that have germinated so tank mix with. 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. 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.

Remove domestic livestock before application and wait. This can slow the growth of broadleaf weeds while allowing the alfalfa seedlings to re grow with reduced weed competition. Post control options for conventional alfalfa. Roundup ready alfalfa seed quantities limited initially.

Adjust mowing height so several leaves remain on alfalfa seedlings after clipping to help. Weed control in established alfalfa. Do not use on mixed stands. Postemergence to weeds roundup ready alfalfa tolerant at all growth stages.

To control these weeds a post emergence selective herbicide may be used. When weeds especially broadleaf weeds threaten seedling alfalfa mowing is often used for control. Sethoxydim trade name poast may be used to control grass weeds. Add ams at 8 5 to 17 lb 100 gallons of spray solution.

Increasing the height when mowing can be a good strategy as well. Include a crop oil concentrate in the spray mixture.