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Soybean Genetics Newsletter

Abstract

Glycine tabacina (Labill.) Benth. and G. tomentella Hayata have both diploid (2n=2x=40) and tetraploid (2n=4x=80) forms (Singh and Hymowitz, 1985a). Although the diploid plants-ca; be distinguished cytologically from the tetraploids, the procedure is tedious, and requires precious greenhouse space. Seed isozyme analysis may prove to be a simpler approach for differen-tiating between the diploid and tetraploid tabacinas.

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