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Published in Crop Sci 14:845-849 (1974)
© 1974 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Genetic Control of Relative Calcium, Phosphorus, and Manganese Accumulation on Chromosome 9 in Maize1

R. W. Naismith, M. W. Johnson and W. I. Thomas2

Marker genes and supernumerary translocations on chromosome nine were utilized to locate genetic loci which influenced calcium, phosphorus, and manganese accumulation in the mid-leaves of selected inbred lines of maize (Zea mays L.). Data obtained from the backcross of tester inbreds to marker gene stocks indicate that genetic loci influencing Ca, P, and Mn accumulation exist on chromosome 9. Crosses of the tester inbreds with supernumerary translocatipu stocks were used to confirm these findings. Results of this study indicate the absence of a common genetic mechanism for the control of Ca, P, and Mn accumulation.

Key Words: Supernumerary translocations • Mineral accumulation • Chemical element accumulation • Zea mays L.

1 Contribution from the Department of Agronomy, The Pennsylvania State University, University Park, PA 16802. Entered as Paper No. 4437 in the journal series of the Pennsylvania Agricultural Experiment Station, on 4-19-73. Part of a thesis submitted by the senior author in partial fulfillment of the requirements for the Ph.D. degree. Supported in part by the United States Atomic Energy Commission, No. NYO-2744-73.

2 Former Graduate Research Assistant (now Assistant Professor of Biology, College of Science, Worthington Scranton Campus, Pennsylvania State University, Dunmore, PA 18512), Associate Professor of Plant Breeding, and Professor of Agronomy.

Received for publication May 17, 1973.




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