Generation Means Analysis of Fatty Acid Composition in Peanut
2013
Optimizing the chemical composition of peanut (Arachis hypogaea L.) oil is essential for the production of biodiesel. Specifically, increasing the ratio of oleic to linoleic acid (O/L) in peanut oil and reducing the long chain saturated fatty acid concentration (which includes arachidic, behenic, and lignoceric acids) produces high-quality, stable methyl esters for biodiesel. Therefore, elucidating the inheritance of these factors and their relationships in peanut populations segregating for high oil is critical. The F1, F2, and backcross generations derived from two crosses, both involving a high oil concentration, low O/L runner breeding line (31-08-05-02) and two high O/L, normal oil concentration, adapted runner genotypes (Tamrun OL01 and Tamrun OL07), were evaluated in College Station, Texas, in 2010. The results from generation means analysis confirm that the high-oleic trait is under simple genetic control and can be manipulated through breeding and selection. Most fatty acids were controlled prima...
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