AMES, Iowa, July 27 -- Iowa State University's College of Agriculture and Life Sciences issued the following news release: Iowa State University professor Thomas Lubberstedt assumed the role of president of the National Association of Plant Breeders at the organization's annual meeting, July 16-20, in Greenville, South Carolina, hosted by Clemson University. Lubberstedt, K. J. Frey Chair in Agronomy, is currently the university's director of the Distance Master's Program for Plant Breeding.   more