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Published in Crop Sci 17:662-664 (1977)
© 1977 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Expression of the Vestigial Glume Character in Adapted Sweet Corn Inbreds1

N. A. Keys and R. H. Andrew2

Use of the vestigial glume gene (Vg) is a means of increasing kernel cut-off percent in processing sweet corn (Zea mays L,) if pollen production problems can be mastered. In this experiment, effect of the vestigial glume gene on amount of pollen shed and on length of tassel glume in a range of adapted Wisconsin inbreds was studied. Pollen production by Vg vg plants ranged from 0.65 to 15.95 ml/tassel for different inbreds, and tassel glume length from 0.65 to 5.20 ml. There was a highly significant relationship between pollen volume and length of tassel glume. Tassels of Vg Vg plants were very small and did not produce pollen. These results indicate that it should be possible to develop vestigial glume (Vg vg) hybrids with adequate pollen for commercial production.

Key Words: Processing sweet corn • Kernel cut-off length • Pollen production • Modifying genes

1 Contribution from the Dep. of Agronomy, Wisconsin Agric. Exp. Stn., Madison, WI 53706. Research supported by the College of Agricultural and Life Sciences and the Graduate Fellowship Office, Madison.

2 Graduate research assistant and professor of agronomy.

Received for publication November 9, 1976.




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