Williams 82 was originally released as a composite of four resistant lines selected from a Williams × Kingwa BC6F3 generation (Bernard and Cremeens, 1988).
In reports, seeds are obtainded from U.S. Department of Agriculture Soybean Germplasm Collection in Urbana, Illinois., Dr. James Orf (University of Minnesota),
Dr. Randy Shoemaker (Iowa State University), Dr. Scott Jackson (Purdue University,)
Ref: William J. Haun, et al. The Composition and Origins of Genomic Variation among Individuals of the Soybean Reference Cultivar Williams 82
Plant Physiology Feb 2011, 155 (2) 645-655; DOI: 10.1104/pp.110.166736