Evaluation of Agronomic and Seed Characteristics in Elevated Oleic Acid Soybean Lines in the South-Eastern US.
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| Title: | Evaluation of Agronomic and Seed Characteristics in Elevated Oleic Acid Soybean Lines in the South-Eastern US. |
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| Authors: | Fallen, Benjamin1 bfallen@utk.edu, Rainey, Katy2, Sams, Carl1, Kopsell, Dean1, Pantalone, Vincent1 |
| Source: | Journal of the American Oil Chemists' Society (JAOCS). Jul2012, Vol. 89 Issue 7, p1333-1343. 11p. |
| Subjects: | Oleic acid, Soybean, Biodiesel fuels, Linolenic acids, Cultivars, Regression analysis, Analysis of variance, Peroxides |
| Abstract: | Increasing oleic acid, a monounsaturated fatty acid, is reported to strike the best balance between cold flow properties and oxidative stability in soybean seed oil to enhance biodiesel and produce a better burning fuel. In addition, it is important that elevated oleic acid soybeans have the agronomic traits of local cultivars and maintain oleic acid stability across environments. Research was conducted in 2007-2008 to evaluate six Roundup Ready soybean recombinant inbred lines exhibiting enhanced levels of oleic acid. The six elevated oleic lines averaged a 55% increase in oleic acid and a 43% decrease in linolenic acid over the two commercial cultivars (AG3906 and AG4103). Some elevated oleic acid genotypes fulfilled the linear regression definition of a stable genotype. TN03-93RR was the best genotype because of its oleic acid content (397 g kg) and desirable regression estimates for stability. Iodine value (IV), peroxide value (PV), and induction period (IP) were used to evaluate the fuel properties of the two lines with the highest oleic acid content and the two commercial cultivars. The elevated oleic acid lines had significantly better IP, PV and IV for better biodiesel properties and oxidative stability than the two commercial cultivars. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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