Four varieties of soybean were developed in our country by using experimental mutations. Mutant varieties 'Universal' and 'Beregovchanka' were developed by direct selection of changed plants after mutagen treatment. 'Rannaya 10' and 'Volna' were created by combining hybridization and mutagenesis.
Sichkar, V. I.
"Research Notes : U.S.S.R. : Characteristics of soybean mutants induced by chemical mutagens 186 and gamma-rays,"
Soybean Genetics Newsletter: Vol. 13
, Article 51.
Available at: http://lib.dr.iastate.edu/soybeangenetics/vol13/iss1/51