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Inheritance of Aleurone Color in Crosses Between Popping Indian Corn and Popcorn Inbreds. (4145)

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Inheritance of Aleurone Color in Crosses Between Popping Indian Corn and Popcorn Inbreds. (4145)

Authors:

R.R. Joehl* - Univ. of Illinois M.O. Bohn - Univ. of Illinois P.S. Brandau - Univ. of Illinois

Abstract:

This experiment was designed to determine the inheritance of alleurone color in crosses between popping Indian corn and selected popcorn inbreds. The objective was to analyze the progeny produced from each of the crosses to determine the inheritance characteristics of alleurone color in the Indian popcorn population. Seventeen ears of miniature popping Indian corn were selected based on differing kernel color from an open pollinated population. The colors ranged from deep red to blue to light yellow with some colors displaying variegation. Kernels from the selected ears were separately grown and crossed with three popcorn inbreds. IDS28, a yellow inbred, IDS29, a white inbred, and

Ames21956, a black inbred, were chosen as the male parents for the crosses based on the differences in their kernel colors. Phenotypic ratios of kernel color on each ear of the offspring were observed and segregation ratios were determined for each cross. An x2- test was conducted to identify significant deviations from the expected segregation ratios. Dominance of alleurone color produced progeny with significant Indian corn alleurone color, and vice versa. The results suggest that standard popcorn inbreds can be used to improve the Indian popcorn population and produce a popcorn variety that has unique kernel color and favorable agronomic characteristics.

Speaker Information: Regan Joehl, Univ. of Illinois, AE 120 Turner Hall 1102 S Goodwin Ave, Urbana, IL 61801; Phone: 217/244-5953; E-mail: [email protected]

Session Information: Monday, November 1, 2004, 8:00 AM-10:00 AM Presentation Start: 8:00 AM (Poster Board Number: 0937)

Keywords: Aleurone layer; Popcorn; Indian corn; Inheritance

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