Variation in yield components and seed protein, oil, and fatty acid content in the MD 96-5722 by `Spencer' recombinant inbred line (RIL) population of soybean [Glycine max (L.) Merr.]

Melanie Elizabeth Boney, Fayetteville State University

Abstract

Agronomic Characters such as grain yield, seed protein, oil, and fatty acid content are important indicators of soybean (Glycine max (L.) Merrill) yield and seed quality. The objective of this research was to study the variation of seed yield, protein, oil, and fatty acid content in 92 recombinant inbred lines (RILs) derived from the cross of the two elite soybean cultivars, MD 96-5722 and `Spencer' (n=94). Mean values and coefficient of variation were calculated for seed yield, plant height (cm), number of pods, seed, seed weight (g) per plant, and 100 seed weight (g). The results showed that plant height and 100 seed weight had the lowest variability with CV% of 23.12 and 17.61, respectively. The highest variability was found for the number of seeds per plant (CV% 45.25). The distributions of these agronomic characters were consistent with previous findings. The distribution of protein, oil and five major fatty acids were standard. Both the skewness and kurtosis values for these traits were <1.00. Variations among RILs were narrow for protein (CV=3.57%) and oil (4.74%) but wide for the fatty acids. A notable wide variation was observed for oleic acid (12.77%) and linolenic acid (15.88%). This study sheds light on the complex nature of these agronomic characters and future studies are needed to understand their genetic inheritance and to develop improved soybean lines.^

Subject Area

Biology|Botany|Genetics

Recommended Citation

Boney, Melanie Elizabeth, "Variation in yield components and seed protein, oil, and fatty acid content in the MD 96-5722 by `Spencer' recombinant inbred line (RIL) population of soybean [Glycine max (L.) Merr.]" (2014). ETD Collection for Fayetteville State University. AAI1581861.
http://digitalcommons.uncfsu.edu/dissertations/AAI1581861

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