Crop Science Journal of Natural Resources and Life Sciences Education
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Published in Crop Sci 22:155-156 (1982)
© 1982 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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New Sources of Resistance to Seed Transmission of Soybean Mosaic Virus in Soybeans1

G. R. Bowers, Jr. and Robert M. Goodman2

The purpose of this study was to identify resistance to seed transmission of soybean mosaic virus (SMV) among soybean [Glycine max (L.) Merrill] germplasm lines that were previously ignored because of their high incidences of seed coat mottling. Twelve germplasm lines from Maturity Groups II and III were identified as sources of resistance to seed transmission of the Illinois severe isolate of SMV. These lines can be used to develop cultivars for areas where SMV is a problem and seed transmission serves as the principal source of primary inoculum. In addition, resistance to seed transmission could be incorporated into soybean lines grown for seed production, thereby eliminating or simplifying the efforts required to produce virus-free material.

Key Words: Glycine max (L.) Merrill • Plant introduction • Virus infection

1 Contribution from Dep. of Plant Pathology and International Soybean Program, Univ. of Illinois, Urbana, IL 61801. Research support was from the U.S. Agency for International Development research contracts cm/ta-c-73-19 and TA/-1294 with the Univ. of Illinois International Soybean Program (INTSOY) and from the Illinois Agric. Exp. Stn. Views and interpretations are those of the authors and should not be attributed to USAID or to any individual acting in their behalf.

2 Former graduate research assistant, present address, Texas A&M Univ. Agric. Res. & Ext. Ctr., Route 7, Box 999, Beaumont, TX 77706; and professor, of Plant Pathology, Univ. of Illinois, Urbana, respectively.

Received for publication April 10, 1981.




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Copyright © 1982 by the Crop Science Society of America.