Collaborators
 
 G. Munkvold			Iowa State University
 
 
 R. Frohberg, 
 R. Stack and 
 John Lukach			Prosper & Langdon, ND, North Dakota State University
 
 
 J. Rudd and Yue Jin		South Dakota State University
 
 
 J. Anderson, 
 R. Dill-Macky and 
 J.J. Wiersma			St. Paul and Crookston, MN, University of Minnesota
 
 
 F. Townley-Smith (retired), 	
 J. Gilbert and 
 G. Humphreys			Agri-Food and Agric. Canada - Manitoba, Canada