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Published in Crop Sci 21:110-112 (1981)
© 1981 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Screening the USDA Glycine Soja Collection for Presence or Absence of a Seed Lectin1

R. W. Stahlhut, T. Hymowitz and J. H. Orf2

The USDA Glycine soja Sieb. & Zucc. collection containing 559 accessions was screened for the presence or absence of a seed lectin. Nearly one-half (49%) of the G. soja accessions were found to lack this seed lectin. The seed lectin from G. soja and the cultivated soybean [G. max (L.) Merrill] exhibited antigenic homology and migrated to identical positions in polyacrylamide gels. This suggests that the lectins of the two species are very similar or the same. Accessions of G. soja lacking seed lectin nodulated normally when compared with accessions containing seed lectin.

Key Words: Glycine max (L.) Merrill • Soybean • Electrophoresis • Ouchterlony procedure

1 Contribution from the Dep. of Agronomy, Univ. of Illinois at Urbana-Champaign, Urbana, IL 61801. Research supported in part by the Illinois Agric. Exp. Stn., Illinois, Soybean Program Operating Board and the Illinois Crop Improvement Assoc.

2 Graduate research assistant, professor of plant genetics., Dep. of Agronomy, Univ. of Illinois, Urbana and assistant professor of agronomy, Univ. of Kentucky, Lexington, KY 40506 (formerly graudate research assistant, Dep. of Agronomy, Univ. of Illinois).

Received for publication April 16, 1980.




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