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Published in Crop Sci 16:439-440 (1976)
© 1976 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Inheritance of and Interrelationships among Maize Kernel Traits and Elemental Contents1

J. M. Arnold and L. F. Bauman2

Combining ability for concentrations and g/200 kernels of P, K, Mg, Fe, Zn, oil, and protein, and for kernel weight, volume, and density in a six-parent diallel of maize (Zea mays L.) inbreds was examined. Correlations among certain variables were computed. Significant variation was detected among GCA effects for concentrations and g/200 kernels of all kernel constituents except K concentration but among SCA effects only for oil concentration. GCA and SCA effects were significant for kernel weight, volume, and density. Highly significant correlations were found between P and K, P and Mg, and K and Mg concentrations.

Key Words: Kernel • Mineral elements • Kernel traits • Gene action • Zea mays L.

1 Journal Paper No. 5658, Purdue University Agric. Exp. Stn., West Lafayette, IN 47907. Supported by the Agency for International Development Contract 2809 with Purdue University entitled "Inheritance and Improvement of Protein Quality and Content in Maize."

2 Formerly postdoctoral associate, Agronomy Dep. (presently, plant breeder, DeKalb Ag Research, Inc., Mt. Olive. NC 28365) and professor of agronomy.

Received for publication January 4, 1975.


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