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 37 for “"High-throughput phenotyping"”.
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High-throughput phenotyping technology for corn ears
… can be measured using a technical procedure. Phenotyping is an important activity in plant breeding, since it gives breeders an observable representation of the plant’s genetic code, which is called the genotype. The word phenotype originates from the Greek word “phainein” which means “to …
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Designing and modeling high-throughput phenotyping data in quantitative genetics
… bridge the genome to phenome gap. The advent of high-throughput genotyping technologies has accelerated the progress of genome to phenome mapping, but a challenge remains in phenotyping. Various high-throughput phenotyping (HTP) platforms have been developed recently to obtain economically …
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Development of a high-throughput phenotyping method for measuring sorghum carotenoids
… A deficiency. In order to select and breed high carotenoid varieties, thousands of progeny in a breeding program must be phenotyped. High-performance liquid chromatography (HPLC) is the gold standard carotenoid phenotyping method; however, it is expensive and time-consuming, making it …
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Improvement of soybean breeding via high throughput phenotyping and disease resistance
Development of an Unmanned Aerial Vehicle High Throughput Phenotyping Platform to Improve Soybean Breeding Efficiency Advances in phenotyping technology are critical to ensure the genetic improvement of crops meet future global demands for food and fuel. Field-based phenotyping platforms are being …
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High-Throughput Phenotyping and Genomic Prediction in Multi-Environment Plant Breeding Field Trials
Plant breeding requires phenotyping for multiple traits throughout the growing season in large, multilocation field trials. This large-scale phenotyping produces the data necessary to select lines with a desirable combination of traits. The use of unoccupied aerial vehicles (UAVs) equipped with …
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High throughput phenotyping and quantitative genetics of leaf functional traits in C4 grasses
… crop performance need to be better understood. Phenotyping complex traits such as water and nitrogen use efficiency in genetically diverse populations is currently a bottleneck in crop improvement because it is time and labor intensive. To harness the diversity available to improve crop …
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Elucidation of genetic targets and high throughput phenotyping methods for improvements to crop sustainability
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01
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High-throughput phenotyping using aerial images for the prediction of agronomic traits in soybean
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-08-01
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High-throughput phenotyping and physiological genetics of stomatal patterning and water use efficiency in maize
… produced crop. However, the gain in breeding for higher yield of maize has shown to be associated with greater water inputs, which makes maize production more sensitive and vulnerable to drought events. In addition, the greater atmospheric vapor pressure deficit in the future climate will pose …
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High-throughput phenotyping and genetic mapping of photosynthetic traits and ozone responses in maize and soybean
… responses of soybean and maize, and develops a high-throughput method to map photosynthetic leaf-level traits in soybean. Most studies of plant responses to elevated O3 have occurred in C3 plant species. The goal of Chapter 2 was to improve understanding of the O3 response in maize. B73 and …
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High-Throughput Phenotyping for Soybean Iron Deficiency Chlorosis Using an Unmanned Aircraft System: Applications in Breeding, Agronomy, and Genetics
… for tolerance to soybean IDC. We achieved high efficiency in collecting data with autonomous UAS flights, greater than 77% accuracy in classifying plots on a 1-5 severity scale, and an average reduction in LSD values across a series of experimental trials. This method is high-throughput, …
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High-throughput phenotyping and genetic mapping of drought stress related traits in setaria (Setaria spp) and rice (Oryza spp)
… conditions. Chapters 2 and 3 are focused on phenotyping and genetic mapping for water-use efficiency (WUE) related traits in different Setaria populations. Chapter 4 is focused on phenotypic characterization of wild rice species for drought stress related traits. Mechanistic modeling …
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Development of high-throughput phenotyping methods and evaluation of morphological and physiological characteristics of peanut in a sub-humid environment
… food crop in the USA and worldwide with high net returns but yield in excess of 4500 kg ha-1 is needed to offset the production costs. Because yield is limited by biotic and abiotic stresses, cultivars with stress tolerance are needed to optimize yield. The U.S. peanut mini-core germplasm …
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An Evaluation of Unmanned Aircraft Systems' Ability to Assess Stripe Rust in Large Wheat Breeding Nursies
… provide the most efficient method of control. High-throughput phenotyping using unmanned aircraft systems (UAS) offers a potentially more efficient method for field-based phenotyping compared to visual assessment. Here we tested the ability of remote sensing to predict stripe rust severity in a …
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Vision systems in agriculture – Lagrangian particle tracking and field robotics
… Lagrangian particle tracking (LPT) system and a high-throughput phenotyping system. Both systems have important application in in agricultural engineering. Lagrangian particle tracking (LPT) enables investigation of turbulence in the Lagrangian reference frame and thus plays a key role in …
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Shaping Function Through Space: The Role of Spatial Organization in Microbial Communities
… a novel method to engineer these systems with high precision and scalability. First, we examine the colonization of chitin particles by marine bacteria, a model for particulate organic matter degradation. Using high-throughput phenotyping of natural isolates, we show that vitamin cross-feeding …
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Understanding C4 Photosynthesis Through Quantitative Genetics
… Generation Inter-Cross population and tools for high-throughput phenotyping of vein density, a trait integral to the evolution of the C4 syndrome. Resources presented in this thesis can be used by the C4 community to compliment knowledge gained through functional genomics so that improvements can …
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Evaluation of phenotyping methods for maize
… measurement of plant features, also known as “phenotyping”, is an important step in the development of improved varieties of corn. These improvements typical consist of increased yield, but also increased resistance to biotic and abiotic stresses is paramount. The speed of this crop improvement …
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Computational Tools to Expand the Coverage of Metabolite Profiling via LC-MS/MS
… profiling is a recent addition to the suite of high-throughput phenotyping technologies. Unlike measuring gene and protein expression, it is often difficult to anticipate all of the metabolites that are likely to be present in a particular sample. Still, recent efforts to catalog all present …
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Systems Analysis of Plant Responses to Drought
… is thought to create trade-offs between high yield and stress tolerance, raising concerns about yield stability in future climates. This thesis will present a high-throughput phenotyping approach to study this question, focusing on leaf growth environmental response and its cellular …
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