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JUNE 2015 SEEDWORLD.COM 35 Enlist soybeans and Enlist cotton pro- vide tolerance to glufosinate herbicides. The Enlist Duo herbicide features Colex-D Technology and combines glyphosate with a new 24-D choline for weed control that is designed to land and stay on target says John Kalthoff Dow AgroSciences cross-platform portfolio marketing leader. Colex-D Technology provides four key benefits minimized potential for physical drift ultra-low volatility low odor and improved handling character- istics he adds. Developers at Dow AgroSciences are confident Enlist Duos two modes of action along with a program approach for season-long control will help manage and prevent resistance. Kalthoff says growers who participated in field trials in 2013 and 2014 didnt observe signs of crop injury or stress but found they were able to control a wide variety of weeds from waterhemp and lamb- squarters to ragweeds and small seeded broadleaves. Engenia is the newest most advanced formulation of dicamba avail- able from BASF says BASFs Chad Brommer technical market manager for herbicides. Its designed specifically for use in dicamba-tolerant crops espe- cially cotton and soybeans. Crops are able to degrade Engenia but its still highly effective on Palmer amaranth. Its uniquely formulated to reduce off-target exposure. Product developers say the herbi- cide offers burn down of more than 190 annual broadleaf weeds including Palmer amaranth marestail morning glory and more. Purdue Universitys Bill Johnson a weed scientist weighs in on benefits offered by these new technologies. BASFs Chad Brommer technical market manager for herbicides explains the benefits of Engenia the companys newest formulation of dicamba. Certainly theyve proceeded down the registration process very carefully. Ive seen demonstrations with these new formulations that give me a great deal of confidence that the herbicides are much less likely to move on their own of course it still depends on applicators making good decisions. Bill Johnson