Research Notes : United States : Genetics of reaction to soybean mosaic virus (SMV) in the cultivars 'Kawnggyo', 'Marshall', and PI 96983
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Several genes conditioning resistance to SMV have been found and some have been assigned gene symbols. In addition, a series of SMV strain groups has been differentiated by their interactions with a selected group of culti-vars (Cho and Goodman, 1979; Lim, 1985). We have undertaken a study of the genes conditioning the reactions of certain differential cultivars to SMV in an attempt to establish their relationships with symbolized genes.