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 97 for “"vineyards"”.
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The Vineyards Estates by Small Luxury Hotels
En The Vineyards Estates ofreceremos Villas de Lujo entre viñedos, bajo la modalidad “fractional ownership” o propiedad condominial, sujeta a un reglamento de uso común, a la que dotamos de ciertos atributos distintivos: la marca, el servicio concierge, y fundamentalmente el derecho a producir su …
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Determining the threat of Pierce's disease to Virginia vineyards
… insect vectors. PD infection in Virginia vineyards was thought to be isolated to southeastern portions of the state as there have been no reports of vine loss in western Virginia and cold winter temperatures experienced there limit the effects of the bacterium from year to year. Upward …
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Evaluation of Nitrogen Management Schemes in Cover Cropped Vineyards
Vineyards in the Eastern United States are often prone to excessive vegetative growth. In order to suppress excessive vine vigor, many viticulturists have employed cover cropping strategies. Cover crops provide a myriad of agronomic benefits, however they are known to compete with the vine for …
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Ecosystem services provided by native New Zealand plants in vineyards
… on the value native plants may have within vineyards, it also considered agricultural systems in general. Native plant species were assessed in the laboratory to determine their relative ability to enhance the fitness of pest and agriculturally beneficial invertebrates; helping to assess the …
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PALISSAGE: AN ALTERNATIVE TO MECHANICAL HEDGING IN VITIS VINIFERA VINEYARDS
… a common canopy management practice in Northeast vineyards. Hedging can manipulate vine vigor, yield, fruit composition, wine quality, winter hardiness, and canopy microclimate. Although mechanical hedging is common practice in many vineyards, it is criticized as being a “Band-Aid solution” to …
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Utilisation of Proximal Sensing Technology to Map Variability in Ontario Vineyards
Precision agriculture is a term used to refer to a suite of technologies used for the optimisation of production in agronomic crops. The overall goal of this study was to determine whether high resolution proximally sensed observations acquired by the GreenSeeker™ technology could be correlated …
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Space-time variability of soil salinity in irrigated vineyards of South Africa
… to characterize the soil even before irrigated vineyards were established. Suction cup measurements were taken with self-designed and patented lysimeters and used to follow the seasonal soil water salinity changes through the root zone under different salinity regimes. These results were used to …
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Evaluation of Nitrogen Management Schemes upon Vine Performance in Cover Cropped Vineyards
Vineyards in the Eastern United States are often prone to excessive vegetative growth. In order to suppress excessive vine vigor, many viticulturists have employed cover cropping strategies. Cover crops provide a myriad of agronomic benefits, however they are known to compete with the vine for …
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Design of an Innovative Spraying System for High Precision Aerial Dispersion in Vineyards
L'abstract è presente nell'allegato / the abstract is in the attachment
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Surveillance of grape berry moth, Paralobesia viteana Clemens (Lepidoptera: Tortricidae), in Virginia vineyards
… in woods prior to flying and egg-laying in vineyards. My research supports use of woods and vineyard trap monitoring at both the height of 2 meters and in the periphery of respective environments. These conditions should improve grower efficiency when using trapping as a tool. Cluster …
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Survey of different mealybug species and attending ants and their management in Virginia vineyards
… and seasonal dynamics of mealybugs in vineyards. Pseudococcus maritimus and Ferissia gilli remain the dominant species, while Pseudococcus viburni was also spotted during two separate instances and Planococcus ficus remained absent. Commercially available pheromone delta traps and …
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Grape yield estimation in commercial vineyards using artificial intelligence, image analysis, and proximal RGB sensing
La estimación precisa del rendimiento de la uva es un reto histórico en viticultura, con implicaciones directas en la gestión del viñedo, la planificación de la vendimia, la logística de bodega y la calidad final del vino. Los métodos tradicionales —muestreo manual y evaluaciones de expertos— son …
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Drosophila suzukii (Matsumura) (Diptera: Drosphilidae): Risk Assessment For An Invasive Vinegar Fly In Virginia Vineyards
… A host plant survey was conducted at four vineyards in the Piedmont Region of Virginia to identify hosts used by D. suzukii around vineyards. The seasonal availability of host plants and adult emergence from them were tracked. Six host plant species of D. suzukii were identified, some …
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Environmental and behavioral factors associated with the infestation of vineyards by larvae of grape root borer
… infestations. Exuviae sampling in Virginia vineyards revealed infestations that ranged from light to very heavy. Eighteen biotic and abiotic variables were measured and used in analyses that assessed their relative contributions to differences in exuviae density. Water holding capacity and …
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Implementation of Sustainable Management Practices at Two California Central Coast Vineyards and Their Effects on Soil Fertility
… Practices at Two California Central Coast Vineyards and Their Effects on Soil Fertility Dawn Michelle Stimson “Sustainable agriculture” has gained increased popularity in recent years. This study was conducted to determine the effects of sustainable management practices on soil fertility at …
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Biology and pest status of brown marmorated stink bug (Hemiptera: Pentatomidae) in Virginia vineyards and raspberry plantings
… Since 2010, H. halys has been reported in many vineyards in Virginia, but the pest significance in this crop is unknown. Sampling was conducted in four commercial vineyards across Virginia in 2012 and 2013 to study the seasonal phenology and pest status of H. halys in vineyards. Adults moved …
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Effect of reduced irrigation on grapevine physiology, grape characteristics and wine composition in three Pinot noir vineyards with contrasting soils
… scarcer in future seasons. Three Pinot noir vineyards having similar characteristics, but planted in three of the most representative types of soil of the Waipara region were selected to investigate the effect of reducing irrigation by about 50% under commercial conditions. Control (CON) …
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<i>Neoseiulus fallacis</i> (Garman) (Acari: Phytoseiidae) as a potential biological control agent for spider mites (Acari: Tetranychidae) in Virginia vineyards
… of spider mites (Acari: Tetranychidae) in vineyards have been increasing with the expansion of the industry in Virginia. Only three effective acaricides are registered on grapes and as resistance begins to occur, control options are limited. Biological control of spider mites by inoculative …
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