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Published in Crop Sci. 44:339-342 (2004).
© 2004 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA

NOTES

IDENTIFICATION AND CHARACTERIZATION OF A WHITE-FLOWERED WILD SOYBEAN PLANT

Yiwu Chena and Randall L. Nelson*,b

a Dep. of Crop Sciences, 1101 W. Peabody Dr., University of Illinois, Urbana, IL 61801
b USDA-Agricultural Research Service, Soybean/Maize Germplasm, Pathology, and Genetics Research Unit, Dep. of Crop Sciences, 1101 W. Peabody Dr., University of Illinois, Urbana, IL 61801

* Corresponding author (rlnelson{at}uiuc.edu).

No white-flowered accession exists among the more than 1100 Glycine soja (Sieb. and Zucc.) accessions in the USDA Soybean Germplasm Collection, although one-third of the Glycine max (L.) Merr. accessions are white flowered. One white-flowered plant was found in G. soja accession PI 424008A growing in Stoneville, MS, in 1998. The objective of this research is to clarify the origin of this white-flowered plant. Phenotypic traits and DNA markers were used to compare the white-flowered line with the putative parental line, PI 424008A. The results from all of the data show that the white-flowered plant is very similar to PI 424008A, indicating that the white-flowered plant was produced by a mutation in PI 424008A. The white-flowered line has been added to the USDA Soybean Germplasm Collection and is designated as PI 424008C.

Abbreviations: MG, Maturity Group • PI, Plant Introduction


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Crop Science 2004 44: 1-4. [Full Text]  





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