Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"hybrid vigor"”.
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Engineering apomixis in plants to stabilize intergenerational hybrid vigor
… in crops it could be used to stabilize hybrid vigor throughout multiple generations without requiring continual hybrid crosses for seed production. Moreover, apomixis could unlock hybrid seed production in many species and lines where it is not yet possible. Here, I will discuss …
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The effect of inbreeding and hybrid vigor in Drosophila melanogaster
Thesis (M.A.)--University of Kansas, Zoology, 1928.
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The contribution of repeat associated small RNAs to genetic variation, hybrid vigor and inbreeding depression in maize
… changes in sRNA accumulation following hybridization in maize would provide insight into mechanisms contributing to hybrid vigor in plants. We used Illumina sequencing to assess how sRNA populations vary between two maize inbred lines (B73, Mo17) and their vigorous hybrid (B73 x Mo17). …
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The effects of dormant season burning and flooding on invasive cattail, Typha x glauca, on Rainy Lake and Lake Kabetogama in Northern Minnesota
… plants in North America. The plant exhibits hybrid vigor and displaces native flora by rapidly forming dense monotypic stands that can break free from the substrate and form floating mat types when established. I tested the effects of prescribed burning, on <em>Typha x glauca</em> in wetlands …
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Nature of the root-knot resistance introduced into Lycopersicon esculentum by interspecific crosses with Lycopersicon peruvianum
… susceptible variety. The F₁ populations showed hybrid vigor for height, yield, and fresh weight of roots, stems, and leaves. Resistance to M. javanica, M. incognita, M. incognita var. acrita was dominant and susceptibility was recessive. The F₂ populations segregated in a 3:1 ratio showing …
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Genetic analyses of growth, sexual maturation, and ova production in chickens
… weight change during a 60-day laying period. Hybrid vigor for egg production traits resulted in more normal eggs via regularity of yolk development and synchronization of ovulation. The onset of sexual maturity was accompanied by the achievement of a population-dependent body composition, …
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The spatial and temporal regulation of the transcriptome during plant development
… thesis is heterosis. Heterosis, also known as hybrid vigor, refers to the phenomenon wherein a F1 hybrid produced from crossing two cultivars of the same species or two different species displays superior phenotypes compared to the inbred parents. Despite its practical applications and …
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Development of a multi-breed heifer pregnancy genetic evaluation in beef cattle
… group, breed proportion, and retained hybrid vigor were used. When DIFF was not included as a fixed effect, the additive, residual, and phenotypic variances for AFC were 126.1, 456.8, and 582.9 d2, respectively, and the genetic correlation between AFC and YW was 0.36 ± 0.02. When DIFF …