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 7 of 7 for “"Erysiphe necator"”.
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Fungicide Sensitivity of Erysiphe necator and Plasmopara viticola from Virginia and nearby states
… Plasmopara viticola) and powdery mildew (PM, Erysiphe necator) to commonly used single-site fungicides in Virginia and nearby states. DM and PM isolates were collected from 2005 to 2007. In grape leaf disc bioassays, 92% of the DM isolates were QoI (azoxystrobin)-resistant, but none were …
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Characterizing resistance of Erysiphe necator to fungicides belonging to the quinone outside inhibitors and demethylation inhibitors
Practical resistance of Erysiphe necator to quinone outside inhibitors (QoIs) is now widespread, and resistance to demethylation inhibitors (DMIs) has also developed. The goal of this research was to characterize fungicide resistance by elucidating resistance mechanisms and determining its …
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EPIDEMIOLOGY AND POPULATION GENETICS OF THE GRAPE POWDERY MILDEW CAUSAL FUNGUS, ERYSIPHE NECATOR, AND ITS RELATION TO COMMERCIAL DISEASE MANAGEMENT
Erysiphe necator is the causal fungus of grapevine powdery mildew disease and is one of the most widespread and consistently problematic pathogens of grapevine worldwide. Imported Vitis vinifera are among the most commonly grown grape species worldwide and are highly susceptible to powdery mildew …
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Characterization of fungicide resistance in grape powdery and downy mildew using field trials, bioassays, genomic, and transcriptomic approaches: quinoxyfen, phosphite, and mandipropamid
… widely used against grape powdery mildew (Erysiphe necator). In 2013, E. necator isolates with reduced quinoxyfen sensitivity (designated as quinoxyfen lab resistance or QLR) were detected in Virginia. Field trials were conducted in 2014, 2015, and 2016 at the affected vineyard to determine …
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Using epidemiological principles and mathematical models to understand fungicide resistance evolution
… on winter wheat and powdery mildew on grapevine (Erysiphe necator) to investigate the relative performance of these two strategies. We show that depending on the exact way in which the strategies are compared and the exact case, either strategy can be the more effective. However, when aiming to …
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Functional Study of Lipoxygenase-mediated Resistance to Fungal Pathogens in Maize for Milk-chain Safety and in Grapevine for Sustainable Viticulture
… a disease caused by an obligate biotroph, Erysiphe necator (En) is the most important fungal disease affecting grapevines, whereas. mycotoxin contamination of maize by Aspergillus flavus (Af) and Fusarium verticillioides (Fv) is a chronic global challenge impacting food security, health and …
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Selection for Run1-Ren1 Dihybrid Grapevines Using Microsatellite Markers
Powdery mildew is a major fungal disease of grapevine worldwide, and the control of which relies on large quantities of fungicide, accounting for a considerable cost for grape growers. Genetically controlled resistance is a promising alternative to the recurrent application of chemicals.The …