Broadleaf Weed Control In Alfalfa

Weed control in established alfalfa.

Broadleaf weed control in alfalfa.

Post control options for conventional alfalfa. Include a crop oil concentrate in the spray mixture. This can slow the growth of broadleaf weeds while allowing the alfalfa seedlings to re grow with reduced weed competition. May be tank mixed with pursuit buctril or 2 4 db for broadleaf weed control.

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

For newly seeded alfalfa stands mowing can be good a control option for broadleaf weeds. Add ams at 8 5 to 17 lb 100 gallons of spray solution. Remove domestic livestock before application and wait. 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.

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. Adjust mowing height so several leaves remain on alfalfa seedlings after clipping to help. Roundup ready alfalfa seed quantities limited initially.

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. Sethoxydim trade name poast may be used to control grass weeds.