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Plant Sciences

University of Tennessee, Knoxville

Doctoral Dissertations

Theses/Dissertations

2020

Methylation

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Genetic And Epigenetic Control Of Soybean Agronomic Traits, Daniel Niyikiza Dec 2020

Genetic And Epigenetic Control Of Soybean Agronomic Traits, Daniel Niyikiza

Doctoral Dissertations

Greater soybean productivity depends on the genetic improvement of yield components, epigenetic effects and the interactions with surrounding environment. We explored the possibility of soybean improvement by conventional biparental crossing of soybean lines, differing by seed quality, yield, and resistance to a range of pathogens, including soybean cyst nematode (SCN). We investigated the role of Resistance to Heterodera glycines (Rhg) 1 and 4 loci in soybean resistance to SCN, race 2 and 3. Further, we evaluated the adaptability of temperate-origin soybean lines in tropical environments of Rwanda. Lastly, we examined gene expression, RNA splicing, DNA methylation and their interactions in …