Identification and Utilization of Diverse Germplasm for Soybean Yield Improvement
Thompson, Jeffrey Allan
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https://hdl.handle.net/2142/87666
Description
Title
Identification and Utilization of Diverse Germplasm for Soybean Yield Improvement
Author(s)
Thompson, Jeffrey Allan
Issue Date
1997
Doctoral Committee Chair(s)
Nelson, Randall L.
Department of Study
Agronomy
Discipline
Agronomy
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Biology, Molecular
Language
eng
Abstract
In the third experiment, lines derived from crosses of diverse germplasm with adapted cultivars were evaluated for yield and genetic diversity. Experimental lines were identified that were higher yielding than their adapted parents. The lines also maintained their diversity from the ancestors and non-parental cultivars even after selection for agronomic potential. Specific RAPD markers were identified that were present in the high yielding lines and their exotic parent, but not in the adapted parent. The yield increases over the adapted parent and unique RAPD markers provide solid evidence that exotic germplasm can contribute genes for high yield.
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