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Published in Crop Sci 6:574-577 (1966)
© 1966 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Lodging Response of Certain Selections of Oats, Avena sativa L., and Their Hybrid Progenies1

D. C. Hess and H. L. Shands2

Lodging responses of certain oat selections and their hybrid progenies were studied for three seasons at Madison, Wisconsin. Progeny rows were evaluated for lodging response by a "snap test" and by estimating actual lodging percentages. Analyses of variance indicated that lines were more accurately characterized by snap values than by lodging percentages. On the basis of intergenerational comparisons and genotype x environment interactions, snap scores were more repeatable than were lodging percentages. Genotypic and phenotypic as well as simple correlations of snap scores with lodging percentages indicated that the snap test could be useful in evaluating oat lines for lodging responses.

1 Contribution from the Agronomy Department, University of Wisconsin, Madison. A portion of a thesis submitted by the senior author in partial fulfillment of the requirements for the Ph.D. degree at the University of Wisconsin. The writers express appreciation to Drs. J. H. Torrie and R. A. Forsberg for reviewing the work while in progress and for help with the manuscript.

2 Formerly Graduate Assistant in Agronomy (now Plant Breeder, Paymaster Seed Farms, Plainview, Texas) and Professor of Agronomy, University of Wisconsin.

Received for publication May 5, 1966.




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