DuPont is beefing up its seed treatment portfolio with construction of two new research and development centers in Delaware and Iowa.

The expansion, announced last week at the Farm Progress Show in Boone, represents the company’s increased commitment to developing seed treatment formulations in-house under a collaboration between DuPont Pioneer’s seed business and DuPont’s Crop Protection unit, said Mick Messman, director of the DuPont Seed Treatment Enterprise....