Evaluation of Soybean Lines with Modified Fatty Acid Profiles for Automotive Industry Biomaterial Production

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Evaluation of Soybean Lines with Modified Fatty Acid Profiles for Automotive Industry Biomaterial Production

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Title: Evaluation of Soybean Lines with Modified Fatty Acid Profiles for Automotive Industry Biomaterial Production
Author: Parkinson, Sarah
Department: Department of Plant Agriculture
Program: Plant Agriculture
Advisor: Rajcan, Istvan
Abstract: High linoleic acid soybeans facilitate maximum production of soy-based polyurethane. The objectives of this study were to: 1) Evaluate environmental influence on yield and seed composition traits; 2) Estimate correlation coefficients between linoleic acid with agronomic traits; 3) Validate SSR markers associated with fatty acid QTL in multiple environments and across diverse genotypes; and 4) Evaluate the influence of fertilizers differing in P and K concentrations on seed fatty acids. RG25 was identified as the best genotype to be commercialized for polyurethane production. Strong marker-trait associations across environments included Satt_335, Satt389, Satt556 associated with palmitic and stearic, Satt389 with oleic, Satt389 and Satt537 with linoleic acid. A significant increase in linoleic acid content was observed when plants received modified Hoagland’s solution with 2×K compared to without K. Development of a high linoleic acid soybean line for polyurethane production is feasible using validated SSR markers and high K fertility.
URI: http://hdl.handle.net/10214/3640
Date: 2012-05-15


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