Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 March 1959
Published in Agron J 51:163-165 (1959)
© 1959 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Multiple Variation Including Crown Rust Resistance in Irradiated Floriland Oats1

W. H. Chapman, H. H. Luke, A. T. Wallace and A. O. Lunden2

Synopsis: Extreme variation in morphological characters and pathological reaction was observed in progenies from irradiated Floriland oats. When inoculated with crown rust race 264 under greenhouse conditions, a mesothetic reaction and a distinct mature-plant resistance were observed. Resistance to crown rust race 264 and race 290 was found under greenhouse conditions and to race 264 under widely different field conditions.

1 Contribution from North Florida Exp. Sta. and Departments of Plant Pathology and Agronomy, Florida Agr. Exp. Sta., Gainesville, and Crops Research Division, ARS, USDA. Florida Agr. Exp. Sta. Journal Series. No. 759.

2 Agronomist, North Florida Agr. Exp. Sta.; Plant Pathologist, Crops Research Division, ARS, USDA; Geneticist; and Graduate Assistant, Florida Agr. Exp. Sta., respectively.

Received for publication July 3, 1958.




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Copyright © 1959 by the American Society of Agronomy.