Crop Science Journal of Natural Resources and Life Sciences Education
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Published in Crop Sci 9:104-105 (1969)
© 1969 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Additional Sources of Resistance to the Barley Yellow Dwarf Virus in Barley 1

C. O. Qualset and C. W. Schaller2

A collection of 558 barleys (Hordeum vulgare L. emend. Lam) from Ethiopia and five from Sudan were evaluated for BYDV resistance. As found in previous studies, some Ethiopian barleys have high levels of resistance; 72 or 13% of the entries tested were resistant. Two resistant introductions were from Sudan, bin: since the center of concentration for resistance is in Ethiopia, it is likely that these introductions also have Ethiopian ancestry.

Key Words: Ethiopian barley


1 Contribution from the Department of Agronomy, University of California, Davis 95616.

2 Assistant Professor and Professor of Agronomy, University of California, Davis, respectively.

Received for publication August 5, 1968.





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