Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 October 1957
Published in Agron J 49:543-547 (1957)
© 1957 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Interactions of Cytoplasm and Genes in a Group of Male Sterile Corn Types1

L. W. Briggle2

Synopsis: The "U.S.D.A.", Brazilian, Vg, and Reid male steriles were not greatly different in cytoplasmic-genotypic interactions involved in expression of male sterility. The Texas type differed from the others studied. Modifier genes in an inbred line background appeared to influence expression of male sterility more in the "U.S.D.A." type than in the Texas type. A degree of selective fertilization occurred in plants bearing either the Vg or Reid cytoplasmic factor and heterozygous for the fertility restoring gene(s) from inbred line Ky 21.

1 Joint contribution from Iowa Agr. Exp. Sta., Ames, Iowa, and Agricultural Research Service, U.S.D.A. Journal paper No. J-3166 of the Iowa Agr. Exp, Sta., Ames, Iowa. Project No. 1140. The data reported herein were from a thesis submitted in partial fulfillment of the requirements for the Ph.D. degree at Iowa State College, Ames, Iowa. The writer wishes to express his appreciation to G. F. Sprague for counsel and assistance throughout the course of the investigation.

2 Agronomist, Crops Research Division, A.R.S., U.S.D.A., formerly Graduate Assistant, Iowa Agr. Exp. Sta., Ames, Iowa.

Received for publication March 18, 1957.




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Copyright © 1957 by the American Society of Agronomy.