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 28 for “"Crop science"”.
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Anaerobic storage of corn with and without a desiccant
… (M.S.)--Michigan State University. Dept. of Crop Science, 1966
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The effect of glume pigmentation on the post-harvest dormancy of common wheat, Triticum aestivum L
… (M.S.)--Michigan State University. Dept. of Crop Science, 1968
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Crop traits to improve plant water relations under abiotic stresses
… The challenges and perspectives for increasing crop productivity under these stresses are highlighted and enriched with experimental evidence, to support breeding programs in light of climate-smart agriculture and sustainability, and finally to ensure food security. The studies are focused on …
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Automated image-based 3D reconstruction system for precise plant modeling
… games or movies. It also attracts researchers in crop science to digitize real plants for scientific research. However, a plant is a hard object to model due to its irregularity in shapes and complexity in structure. In this thesis, we present an automated non-parametric system, which reconstructs …
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Quantifying the effect of fall armyworms on maize yields in a resource constrained economy: A case study in Zambia
… specifications.Following earlier evidence from crop science, I explore the effect of planting date and the use of hybrids on FAW damage. In terms of planting date, I find planting date and the use of hybrids did not significantly influence the damage caused by FAW infestations.Quantifying of the …
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NUTRITIONAL AND BIOACTIVE COMPOUNDS FROM AGRI-FOOD PRODUCTS AND BY-PRODUCTS: IN VITRO ASSESSMENT OF THEIR POTENTIAL HEALTH EFFECTS
… this context, the valorisation of underutilized crops and agri-food by-products represents a promising strategy to enhance food system sustainability while expanding the range of available bioactive ingredients. This research was based on the hypothesis that selected plant resources and agri-food …
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Cultivar, Season Extension, Fertilizer Trials of Swiss Chard and Pedagogy of Assessing Cultivars Using Technology
… 2016 spring and fall semesters, students in the Crop Science course (AGN 110) at SFASU were given an assignment where they were instructed to</p> <p>use Google Sheets to assess diversity of traits of agronomic crops in a seed catalog. Students were assessed pre-and post-assignment on their …
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Bacterial spot of tomato and pepper: insights into host-pathogen interactions
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2023-12-01
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Investigating the potential of novel synergistic postemergence tank mixtures to manage HPPD- and atrazine-resistant Amaranthus tuberculatus populations
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-04-06 without embargo terms
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Genetic factors involved with increased anthocyanin production in maize
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-04-06 without embargo terms
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An adaptive image processing algorithm for field plant population analysis based on UAV imaging system
… most important items of agricultural data. In crop science, plant population determines canopy closure time, plant spacing, and weeds competition. For farmers, if plant population can be obtained in time, it can help in crop management decisions on replanting, fertilizer application, and …
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The Role of Epigenetics in the Regulation of Meiotic Recombination in Triticum aestivum and Arabidopsis thaliana
… to cold regions is of particular interest to crop breeders, who seek to unlock genomic regions to crossovers to identify novel, beneficial allelic combinations. To further characterize the meiotic recombination landscape in bread wheat, I have analyzed the genome wide distribution of the …
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Image-based deep learning approaches for plant phenotyping
The genetic potential of plant traits remains unexplored due to challenges in available phenotyping methods. Deep learning could be used to build automatic tools for identifying, localizing and quantifying plant features based on agricultural images. This dissertation describes the development and …
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RAPD markers for ascochyta resistance, phylogenetic studies and cultivar identification In lentil
Random amplified polymorphic DNA (RAPD) markers were used in three genetic studies in lentil (Lens culinaris Medikus). The first study involved development of RAPD markers linked with genes for resistance to ascochyta blight, caused by Ascochyta fabae f. sp. lentis Gossen et al. Seventy F2-derived …
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Variation in peach fruit susceptibility to Monilinia laxa and gene expression
… of Padua (Dept. of Environmental Agronomy and Crop Science), using the μPEACH1.0 microarray together with the suited protocols. The analysis showed that 30 genes (corresponding to the 0.6% of the total sequences (4806) contained in the μPeach1.0 microarray) were found up-regulated and 31 ( …
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The information needs and challenges of agricultural researchers and extension workers in Zimbabwe
… with the major agricultural disciplines of crop science, animal science, agricultural engineering, although agricultural economics did not attract prominence. v The respondents were using various sources of information in fulfilling their information needs, ranging from libraries to internet …
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Assessing Impacts of Winter-hay Feeding on Soil and Forage Nutrient Dynamics in a Rotationally-Grazed Pasture System in Arkansas
… than is recommended for mixed warm season forage crops. After two years of feeding hay, there was in increase in soil K concentration (P < 0.05) in both UF and RF areas, whereas the unamended control was unchanged. There were also differences in soil physical properties between the hay feeding …
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No-Till Tomato Production
… to determine the viability of no-till vegetable cropping on the Central Coast of California. Tomatoes were grown in no-till and conventionally tilled treatments. Total yield, fruit weight, weed emergence, soil bulk density, soil aggregate stability, and soil organic carbon content were measured …
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Effects of Disinfectants and Anti-browning Agents on the Shelf-Life of Cauliflower Florets
<p>Currently, when cauliflower florets are packed in a MA package, they can last 8 to 10 days at 7.2ºC. The goal of this research was to develop a prepackaging methodology that could extend shelf-life of cauliflower florets to at least 14 days at 7.2ºC. Various methodologies were used to treat the …
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Biological Control of Marmara gulosa Guillén and Davis in the San Joaquin Valley
Peelminer, <em>Marmara gulosa</em> Davis and Guillén, has been reported as a sporadic pest in California and Arizona since 1998. <em>Marmara gulosa</em> has been a persistent pest in the San Joaquin Valley of California (USA) since 1998. Prior to 2000 the only reports of high populations of citrus …
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