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.

Postemergence to weeds roundup ready alfalfa tolerant at all growth stages. Include a crop oil concentrate in the spray mixture. Adjust mowing height so several leaves remain on alfalfa seedlings after clipping to help. 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.

Increasing the height when mowing can be a good strategy as well. To control these weeds a post emergence selective herbicide may be used. 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. Post control options for conventional alfalfa.

Roundup ready alfalfa seed quantities limited initially. Weed control in established alfalfa. May be tank mixed with pursuit buctril or 2 4 db for broadleaf weed control. This can slow the growth of broadleaf weeds while allowing the alfalfa seedlings to re grow with reduced weed competition.

Add ams at 8 5 to 17 lb 100 gallons of spray solution. 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. Do not use on mixed stands. Sethoxydim trade name poast may be used to control grass weeds.

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.