Mapping the Fan locus controlling linolenic acid content in soybean oil
1995
Reducing the content of linolenic acid to improve soybean [Glycine max (L) Merr.] oil quality is a desirable breeding objective. An F2 population derived from a cross between a low linolenic mutant Cl640 (fanfan), and a high linolenic accession, PI479.750 (FanFan) was used to map the Fan locus. Because linolenic acid seemed to be inherited as a quantitative trait in this cross. MapMaker-QTL was used to place Fan close to RFLP markers pB194-1 and pB124 on linkage group B2. Localization of this locus to the soybean genetic map may be useful for molecular biologists interested in cloning the gene or for geneticists interested in identifying modifying genes.
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