A partial list of cytologically identified Glycine soja genotypes is presented in Table 1. apparently are new at the tetraploid level. tetraploid Glycine max and Some of these genotypes Sixty-three (63) single plants of tetraploid Williams were harvested on the Agronomy South Farm at Urbana in 1982.
Cheng, S. H. and Hadley, Henry H.
"Research Notes : Studies in polyploidy in soybeans: Cytologically identified tetraploid Glycine max and Glycine soja and a preliminary observation on seed yields of tetraploid 'Williams' plants,"
Soybean Genetics Newsletter: Vol. 10
, Article 11.
Available at: https://lib.dr.iastate.edu/soybeangenetics/vol10/iss1/11