RFLP mapping in soybean: Association between marker loci and variation in quantitative traits

P. Keim; B. W. Diers; T. C. Olson; R. C. Shoemaker

RFLP mapping in soybean: Association between marker loci and variation in quantitative traits

P. Keim, B. W. Diers, T. C. Olson, R. C. Shoemaker

Biological Sciences

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314 Scopus citations

Abstract

We have constructed a genetic map for soybean and identified associations between genetic markers and quantitative trait loci. One-hundred-fifty restriction fragment length polymorphisms (RFLPs) were used to identify genetic linkages in an F₂ segregating population from an interspecific cross (Glycine max X Glycine soja). Twenty-six genetic linkage groups containing ca. 1200 recombination units are reported. Progeny-testing of F₂-derived families allowed quantitative traits to be evaluated in replicated field trials. Genomic regions, which accounted for a portion of the genetic variation (R² = 16 to 24%) in several reproductive and morphological traits, were linked to RFLP markers. Significant associations between RFLP markers and quantitative trait loci were detected for eight of nine traits evaluated. The ability to identify genes within a continuously varying trait has important consequences for plant breeding and for understanding evolutionary processes.

Original language	English (US)
Pages (from-to)	735-742
Number of pages	8
Journal	Genetics
Volume	126
Issue number	3
State	Published - 1990

ASJC Scopus subject areas

Genetics

Cite this

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abstract = "We have constructed a genetic map for soybean and identified associations between genetic markers and quantitative trait loci. One-hundred-fifty restriction fragment length polymorphisms (RFLPs) were used to identify genetic linkages in an F2 segregating population from an interspecific cross (Glycine max X Glycine soja). Twenty-six genetic linkage groups containing ca. 1200 recombination units are reported. Progeny-testing of F2-derived families allowed quantitative traits to be evaluated in replicated field trials. Genomic regions, which accounted for a portion of the genetic variation (R2 = 16 to 24%) in several reproductive and morphological traits, were linked to RFLP markers. Significant associations between RFLP markers and quantitative trait loci were detected for eight of nine traits evaluated. The ability to identify genes within a continuously varying trait has important consequences for plant breeding and for understanding evolutionary processes.",

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AU - Shoemaker, R. C.

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RFLP mapping in soybean: Association between marker loci and variation in quantitative traits

Abstract

ASJC Scopus subject areas

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