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 20 of 49 for “"Genotype by environment"”.
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Genotype by environment model predictive ability in miscanthus
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-05-01
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Investigating the Capacity of Generative AI to Learn Genotype-by-Environment Interactions in Brachypodium distachyon
Climate change exacerbates environmental stressors such as drought, challenging the resilience of agricultural systems and highlighting the need to understand plant genomic architecture and its responses to such environmental variation. A key molecular mechanism underlying these responses is …
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Genotype by environment interaction for feed efficiency in growing-finishing pigs in Brazil versus the Netherlands
… pigs across the diverse, and often challenging, environments in commercial farms. The main aim of this thesis was to investigate the existence and magnitude of genotype by environment interaction for feed efficiency im CB pigs kept under Brazilian commercial production circumstances and purebred …
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Characterizing phenotypic diversity, genotype by environment interactions, and optimizing selection efficiency of a miscanthus germplasm collection
Increasing concerns over energy security and the environmental effects of conventional fuels has spurred interest in alternative avenues of energy production, with biomass feedstocks emerging as a promising source of sustainable renewable energy needs. Miscanthus is a largely unimproved crop and …
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Genotype by environment interaction for Holstein milk yield and fitness traits between Saudi Arabia and the United States
… in the first four lactations were estimated by multiple-trait animal model using Method R procedures. The objectives of this study were to determine if genotype by environment interactions for milk yield and fitness traits exist between Saudi Arabia and the US and to investigate the …
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Genotype by Environment Interactions and Selection Responses of Two Maize Populations to Reciprocal Recurrent Selection in a High-Yield Environment (Corn)
… family selection for grain yield in a high-yield environment. Interpopulation improvement involved selection of testcrosses of S(,1) family x inbred tester in a high-yield environment.
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Genomic selection studies in sheep using simulation and real data
… evaluates genomic selection strategies and genotype-by-environment modeling to improve genetic gains through sustainable breeding practices in sheep. It integrates a thorough review of sheep breeding programs in Turkey, a forward-looking simulation study of genomic selection in Akkaraman …
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Quantitative trait loci mapping for grain yield and other traits of agronomic importance in maize
… a number of marker loci were associated with genotype by environment interactions (GXE) for grain yield among individual environments each year, the associations detected for combined environments within a year were stable between 1991 and 1992.
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Effects of barley yellow dwarf virus and environment on grain avenanthramide concentration in spring oat (Avena sativa L.)
… interact with pathogens, the regional genotype-by-environment interactions of AVN concentration, and the heritability of AVN concentration. This study explored the relationship between Barley Yellow Dwarf Virus (BYDV) and avenanthramide concentration, as well as the …
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An integrative approach for germplasm utilization, genetic diversity and QTL mapping in Camelina spp. and crop-production issues in Thlaspi arvense, new promising oilseed crops for bioenergy and industrial uses
… oil reserves, rising prices and negative environmental implications have all contributed to growing demand for alternative energy sources, such as bioenergy crops. Ideally a good bioenergy crop has low input requirements (able to grow in marginal zones), fast growth and maturity, tolerance …
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Genomic Prediction and Genetic Dissection of Yield-Related Traits in Soft Red Winter Wheat
… (SNP) data generated via a genotyping-by-sequencing (GBS) protocol to perform GWA on multiple yield-related traits using a panel of 329 soft red winter wheat genotypes grown in four environments. In addition, the SNP data was used to examine linkage disequilibrium and population …
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Effects of habitat degradation on the evolutionary dynamics of populations in a rainforest cycad (Gymnospermae)
… even in the short-term. Here, I explore how environmental changes after habitat degradation affect the evolutionary dynamics of populations of the rainforest cycad Zamia fairchildiana, specifically how habitat degradation affects gene dispersal, inbreeding, directional selection, and …
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Environmental and genetic variation of the anti-cancer peptides lunasin and Bowman-Birk protease inhibitor in Glycine max
… has, in recent years, been supplemented by its importance as a source of bioactive compounds. Two of these compounds, the Bowman-Birk protease inhibitor (BBI) and the peptide lunasin, exhibit anti-cancer properties, and clinical studies suggest that the two may act in a complementary …
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Genetic marker analysis of three major carbohydrates in soybean seeds
… manipulate genetically due to the influence of genotype, environment, and genotype by environment interactions on seed chemical composition. The objectives of the second study were to evaluate agronomic and quality traits over locations and to study correlations among traits. The agronomic …
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Enhancing Economic and Environmental Value in Soybean Production through Value-Added Innovation
… soybean plant introductions across multiple environments, revealing significant genotype-by-environment interactions affecting fatty acid profiles. A metabolite-based genome-wide association study identified 20 single nucleotide polymorphisms (SNPs) significantly associated with 21 fatty acid …
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Application of genetic and statistical tools for improvement of Louisiana rice
… to sheath blight (SB), a disease caused by Rhizoctonia solani Kuhn, are important objectives for the rice (Oryza sativa L.) industry. Grain quality traits and SB resistance play an important role in the economic prosperity of commercial rice markets. The objectives of our research were …
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Natural Variation in Arabidopsis thaliana Growth in Response to Ambient Temperatures
Temperature is one of the most important abiotic environmental regulators of plant growth and development. The temperature-dependent elongation of the Arabidopsis thaliana hypocotyls (seedling stems) is a well-characterised environmental response. The aim of this study was to identify allelic …
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Applications of next-generation sequencing technologies and advanced analytical methods to understand gene by environment interactions
… for high voluntary activity to a control line in environments restricting or enabling a rewarding activity. Results offered insights into genetic factors behind activity dependence and provided a model for understanding addiction and other reward-dependent behaviors.Most genes differentially …
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Stress-induced remodeling of the caenorhabditis elegans dauer
… FLP branching. Here I find a previously unknown genotype by environment interaction within the UPR, demonstrating temperature-dependent regulation of neuronal, pharyngeal, and cuticular remodeling in the dauer. In Chapter 5, I show that several aspects of the dauer formation pathway are necessary …
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Systems Analysis of Plant Responses to Drought
Understanding how plants respond to environmental stress is critical for ensuring stable crop performance and predicting how natural populations may adapt to a changing climate. While plant biology has traditionally focused on plant physiology and molecular biology of model plants to elucidate …
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