A former executive of a Chinese conglomerate with a corn seed subsidiary was sentenced Wednesday to three years in prison by an Illinois federal judge after pleading guilty to conspiring to steal trade secrets from DuPont Pioneer and Monsanto Co.

Mo Hailong, who also goes by the name Robert Mo, was also ordered to serve three years of supervised release following his sentence, pay restitution and forfeit two farms in Iowa and Illinois bought by himself and others during the alleged conspiracy, according to a U.S. Department of Justice news release.

Mo, director of international business for Beijing Dabeinong Technology Group Co., or DBN, entered a guilty plea in January in which he admitted to participating in a years-long conspiracy with several other Chinese nationals to help steal valuable corn seeds from the U.S.-based seed manufacturers' production fields in Iowa.

Pioneer DuPont was represented by Rob Baron, Justin Miller, and Tyler Marandola.