Search Results - "MAHAFFEE, Walter F"

The Ebb and Flow of Airborne Pathogens: Monitoring and Use in Disease Management Decisions by Mahaffee, Walter F, Stoll, Rob

“…Perhaps the earliest form of monitoring the regional spread of plant disease was a group of growers gathering together at the market and discussing what they…”
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A chromosome-scale genome assembly of the grape powdery mildew pathogen Erysiphe necator reveals its genomic architecture and previously unknown features of its biology by Zaccaron, Alex Z, Neill, Tara, Corcoran, Jacob, Mahaffee, Walter F, Stergiopoulos, Ioannis

“…is an obligate fungal pathogen that causes grape powdery mildew, globally the most important disease on grapevines. Previous attempts to obtain a quality…”
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Identification of a receptor for the sex pheromone of the vine mealybug, Planococcus ficus by Corcoran, Jacob A., Mahaffee, Walter F.

“…•Identified all odorant receptor gene family members in the vine mealybug, Planococcus ficus, from genomic and transcriptomic resources.•Evaluated sex-specific…”
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Development of a quantitative loop-mediated isothermal amplification assay for the field detection of Erysiphe necator by Thiessen, Lindsey D, Neill, Tara M, Mahaffee, Walter F

“…Plant pathogen detection systems have been useful tools to monitor inoculum presence and initiate management schedules. More recently, a loop-mediated…”
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Rapid measurement of the three-dimensional distribution of leaf orientation and the leaf angle probability density function using terrestrial LiDAR scanning by Bailey, Brian N., Mahaffee, Walter F.

“…At the plant or stand level, leaf orientation is often highly anisotropic and heterogeneous, yet most analyses neglect such complexity. In many cases, this is…”
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Subsurface examination of a foliar biofilm using scanning electron- and focused-ion-beam microscopy by Wallace, Patricia Kay, Arey, Bruce, Mahaffee, Walter F.

“…► Focused ion beam SEM was suitable for examining the subsurface structure of foliar bacterial biofilms. ► Sequential milling indicated that interconnected…”
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Catching Spores: Linking Epidemiology, Pathogen Biology, and Physics to Ground-Based Airborne Inoculum Monitoring by Mahaffee, Walter F, Margairaz, Fabien, Ulmer, Lucas, Bailey, Brian N, Stoll, Rob

“…Monitoring airborne inoculum is gaining interest as a potential means of giving growers an earlier warning of disease risk in a management unit or region. This…”
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Effect of Fungicide Mobility and Application Timing on the Management of Grape Powdery Mildew by Warneke, Brent, Thiessen, Lindsey D, Mahaffee, Walter F

“…Grape powdery mildew (GPM) fungicide programs consist of 5 to 15 applications, depending on region or market, in an attempt to achieve the high fruit quality…”
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Detection of Erysiphe necator in Air Samples Using the Polymerase Chain Reaction and Species-Specific Primers by Falacy, J.S, Grove, G.S, Mahaffee, W.F, Galloway, H, Glawe, D.A, Larsen, R.C, Vandemark, G.J

“…A polymerase chain reaction (PCR) assay employing species-specific primers was developed to differentiate Erysiphe necator from other powdery mildews common in…”
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Free-Riding in Plant Health: A Social-Ecological Systems Approach to Collective Action by Garcia-Figuera, Sara, Lowder, Sarah R, Lubell, Mark N, Mahaffee, Walter F, McRoberts, Neil, Gent, David H

“…Plant disease epidemics often transcend land management boundaries, creating a collective-action problem where a group must cooperate in a common effort to…”
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Allele-Specific Detection Methods for QoI Fungicide-Resistant Erysiphe necator in Vineyards by Miles, Timothy D, Neill, Tara M, Colle, Marivi, Warneke, Brent, Robinson, Guy, Stergiopoulos, Ioannis, Mahaffee, Walter F

“…Grapevine powdery mildew (GPM), caused by the fungus , is a constant threat to worldwide production of grape berries, requiring repeated use of fungicides for…”
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Quantifying Turbulence Heterogeneity in a Vineyard Using Eddy-Covariance and Scintillometer Measurements by Perelet, Alexei O., Ward, Helen C., Stoll, Rob, Mahaffee, Walter F., Pardyjak, Eric R.

“…Scintillometry is a non-invasive measurement technique for acquiring spatially-averaged surface heat and moisture fluxes in areas where setting up arrays of…”
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It's a Trap! Part II: An Approachable Guide to Constructing and Using Rotating-Arm Air Samplers by Check, Jill C, Harkness, Rebecca J, Heger, Lexi, Chilvers, Martin I, Mahaffee, Walter F, Sakalidis, Monique L, Miles, Timothy D

“…An increasing number of researchers are looking to understand the factors affecting microbial dispersion but are often limited by the costs of commercially…”
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It's a Trap! Part I: Exploring the Applications of Rotating-Arm Impaction Samplers in Plant Pathology by Check, Jill C, Harkness, Rebecca J, Heger, Lexi, Sakalidis, Monique L, Chilvers, Martin I, Mahaffee, Walter F, Miles, Timothy D

“…Although improved knowledge on the movement of airborne plant pathogens is likely to benefit plant health management, generating this knowledge is often far…”
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Effect of vegetative canopy architecture on vertical transport of massless particles by Bailey, Brian N., Stoll, Rob, Pardyjak, Eric R., Mahaffee, Walter F.

“…Large-eddy simulations of approximately resolved heterogeneous vegetative canopies with repeating row structure were compared to ‘equivalent’ homogeneous…”
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Mean and Turbulent Flow Statistics in a Trellised Agricultural Canopy by Miller, Nathan E., Stoll, Rob, Mahaffee, Walter F., Pardyjak, Eric R.

“…Flow physics is investigated in a two-dimensional trellised agricultural canopy to examine that architecture’s unique signature on turbulent transport…”
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The Use and Role of Predictive Systems in Disease Management by GENT, David H, MAHAFFEE, Walter F, McROBERTS, Neil, PFENDER, William F

“…Disease predictive systems are intended to be management aids. With a few exceptions, these systems typically do not have direct sustained use by growers…”
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Risk Factors for Bud Perennation of Podosphaera macularis on Hop by Gent, David H, Mahaffee, Walter F, Turechek, William W, Ocamb, Cynthia M, Twomey, Megan C, Woods, Joanna L, Probst, Claudia

“…The hop powdery mildew fungus Podosphaera macularis persists from season to season in the Pacific Northwestern United States through infection of crown buds…”
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Perspectives Towards Collective Action for Pest and Disease Management in Vineyards in the Western United States by Lowder, Sarah R., Moyer, Michelle M., Cooper, Monica L., Pscheidt, Jay, Mahaffee, Walter F.

“…An individual grower's response to pests and diseases in their vineyard can have consequences for an entire growing region. Collective action strategies can…”
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Detection and Monitoring of Plant Pathogens and Pests by Mahaffee, Walter F., Thiessen, Lindsey D., King, Kevin M., Choudhury, Robin A.

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