THUNDER MASTER® herbicide provides burndown and residual control of many broadleaf and grass weeds in soybeans and Roundup Ready alfalfa. THUNDER MASTER® may be applied postemergence to Roundup Ready soybeans and Roundup Ready alfalfa for season-long weed control. THUNDER MASTER® is effective for difficult-to-control weeds common to no-till production, including mares tail.
THUNDER MASTER® is a mixture of two active ingredients: imazethapyr and glyphosate.
• For use on Roundup Ready® soybeans, Roundup Ready® alfalfa.
Active Ingredient:Imazethapyr 1.8%, Glyphosate 22%