Publications

A fast-response model of turbulence and passive scalar transport in row-organized canopies

Ulmer, L., F. Margairaz, W.F. Mahaffee, and R. Stoll. 2024. A fast-response model of turbulence and passive scalar transport in row-organized canopies. Agric. Forest Meteorol. 349:109919. DOI: 10.1016/j.agrformet.2024.109919

QES-Plume v1.0: A Lagrangian dispersion model

Margairaz, F., B. Singh, J.A. Gibbs, L. Atwood, E.R. Pardyjak, and R. Stoll. 2023. QES-Plume v1.0: A Lagrangian dispersion model. Geosci. Model Dev. 16:5729–5754. DOI: 10.5194/gmd-16-5729-2023

A fast-response, wind angle-sensitive model for predicting mean winds in row-organized canopies

Ulmer, L., F. Margairaz, B.N. Bailey, W.F. Mahaffee, E.R. Pardyjak, and R. Stoll. 2023. A fast-response, wind angle-sensitive model for predicting mean winds in row-organized canopies. Agric. Forest Meteorol. 329:109273. DOI: 10.1016/j.agrformet.2022.109273

Linking epidemiology, pathogen biology, and physics to ground-based airborne inoculum monitoring

A Rapid Glove-Based Inoculum sampling Technique to Monitor Erysiphe necator in Commercial Vineyards

Lowder, S.R. T. M. Neill, A.B. Peetz, T.M. Miles, M.M. Moyer, C. Oliver, I. Stergiopoulos, S. Ding, and W. Mahaffee. 2023. A Rapid Glove-Based Inoculum Sampling Technique to Monitor Erysiphe necator in Commercial Vineyards. Plant Dis. 107: 3096-3105 DOI: 10.1094/PDIS-02-23-0216-RE

Momentum and turbulent transport in sparse, organized vegetative canopies

Torkelson, G., T. Price, and R. Stoll. 2022. Momentum and Turbulent Transport in Sparse, Organized Vegetative Canopies. Boundary-Layer Meteorology 184:1-24. DOI: 10.1007/s10546-012-9796-4

Development and evaluation of an isolated-tree flow model for neutral-stability conditions

Margairaz, F., H. Eshagh, A. Hayati, E. Pardyjak and R. Stoll. 2022. Development and evaluation of an isolated-tree flow model for neutral-stability conditions. Urban Climate. 42:101083. DOI: 10.1016/j.uclim.2022.101083

Utilizing dynamic parallelism in CUDA to accelerate a 3D red-black successive over relaxation wind-field solver

Bozorgmehr, B., Willemsen, P., Gibbs, J., Stoll, R., Kim, J., & Pardyjak, E. 2021. Utilizing dynamic parallelism in CUDA to accelerate a 3D red-black successive over relaxation wind-field solver. Environmental Modelling & Software: 137:104958. DOI: 10.1016/j.envsoft.2021.104958

Multiplexed real-time and digital PCR tools to differentiate clades of Plasmopara viticola causing downy mildew in grapes

Heger, L., N. Sharma, A. McCoy, F.N. Martin, L.A. Miles, M.I. Chilvers, R.P. Naegele, and T.D. Miles. 2025. Multiplexed real-time and digital PCR tools to differentiate clades of Plasmopara viticola causing downy mildew in grapes. Plant Dis. First Look. https://doi.org/10.1094/PDIS-01-25-0173-SR

Prevalence of mutations associated with QoIs, QiIs, QioSIs, and CAA fungicide resistance within Plasmopara viticola in North America and a tool to detect CAA-resistant isolates.

Sharma, N., L. Heger, D.B. Combs, W.M. Smith, L. Holland, P. Brannen, K.M. Gold, and T. Miles. 2025. Prevalence of mutations associated with QoIs, QiIs, QioSIs, and CAA fungicide resistance within Plasmopara viticola in North America and a tool to detect CAA-resistant isolates. Phytopathology 115:495–506. https://doi.org/10.1094/PHYTO-08-24-0257-R

Development of a PNA-LNA-LAMP Assay to Detect a SNP Associated with QoI Resistance in Erysiphe necator

Sharma, M., T. Neill, H-C.Yang, C. Oliver, W. Mahaffee, R. Naegele, M.M. Moyer, and T.D. Miles. 2023. Development of a Competitive PNA-LNA-LAMP Assay to Detect a SNP Associated with QoI Resistance in Erysiphe necator. Plant Disease 107:3238-3247. DOI: 10.1094/PDIS-09-22-2027-RE

Identification of SDHI target-site mutations in the SDHB, SDHC, and SDHD subunits of the grape powdery mildew pathogen Erysiphe necator

Stergiopoulos, I., N. Aoun, Q. van Huynh, T. Neill, S. Lowder, C. Newbold, M. Cooper, S. Ding, M. Moyer, T. Miles, C. Oliver, J. Úrbez-Torres, and W. Mahaffee. 2022. Identification of SDHI target-site mutations in the SDHB, SDHC, and SDHD subunits of the grape powdery mildew pathogen Erysiphe necator. Plant Disease 106:2310-2320. DOI: 10.1094/PDIS-09-21-1993-RE

Allele-specific detection methods for QoI fungicide resistant Erysiphe necator in vineyards

Miles, T.D., Neill, T.M., Colle, M., Warneke, B, Robinson, G., Sterigiopoulus, I. and Mahaffee, W.F. 2021. Allele-specific detection methods for QoI fungicide resistant Erysiphe necator in vineyards. Plant Disease 105: 175-182. DOI: 10.1094/PDIS-11-19-2395-RE

The mitochondrial genome of the grape powdery mildew pathogen Erysiphe necator is intron rich and exhibits a distinct gene organization

Zaccaron, A., De Souza, J., and Stergiopoulos, I. 2021. The mitochondrial genome of the grape powdery mildew pathogen Erysiphe necator is intron rich and exhibits a distinct gene organization. Scientific Reports. 11:13924. DOI: https://www.nature.com/articles/s41598-021-93481-5

Characterization of the mitochondrial genomes of three powdery mildew pathogens reveals remarkable variation in size and nucleotide composition

Zaccaron, A., and Stergiopoulos, I. 2021. Characterization of the mitochondrial genomes of three powdery mildew pathogens reveals remarkable variation in size and nucleotide composition. Microbial Genomics. 7:000720. DOI: https://www.nature.com/articles/s41598-021-93481-5

Perspectives Towards Collective Action for Pest Management in Vineyards in the Western US

Lowder, S.R., M.M. Moyer, M.L. Copper, J. Pscheidt, and W. Mahaffee. 2024. Perspectives Towards Collective Action for Pest Management in Vineyards in the Western US. PhytoFrontiers 4:372-381. DOI: 10.1094/PHYTOFR-07-23-0082-R

Information Transfer Among Grape Producers in the western United States: Individual Perspectives, Communication Networks, and the Use of Informational Resources for Pest and Disease Management

Lowder, S.R., M.M. Moyer, M.L. Copper, J. Pscheidt, and W. Mahaffee. 2024. Information Transfer Among Grape Producers in the western United States: Individual Perspectives, Communication Networks, and the Use of Informational Resources for Pest and Disease Management. PhytoFrontiers 4:360-371. DOI: 10.1094/PHYTOFR-07-23-0081-R 

Fungicide Use Patterns in Select United States Wine Grape Production Regions

Oliver, C,, M. Cooper, M. Lewis Ivey, P. Brannen, T. Miles, W. Mahaffee, and M.M. Moyer. 2024. Fungicide Use Patterns in Select United States Wine Grape Production Regions. Plant Dis. 108:104-112. DOI: 10.1094/PDIS-04-23-0798-RE

Facing Fungicide Resistance in Grape Production: A Game Theoretic Approach

Pardini, C.A., and A. Espínola-Arredondo. 2023. Facing Fungicide Resistance in Grape Production:  A Game Theoretic Approach. Canadian Journal of Agricultural Economics 71:171-201.  DOI: 10.1111/cjag.12334

Cooperation and compensation to mitigate fungicide resistance

Pardini, C., A. Espínola-Arredondo, and M. Moyer. 2022. Cooperation and Compensation to Mitigate Fungicide Resistance. Am. J. Enol. Vitic. 73: 198-203. DOI: 10.5344/ajev.2022.21052

Assessing the United States grape industry’s understanding of fungicide resistance mitigation practices

Oliver, C., M. Cooper, M. Lewis-Ivey, P. Brannen, T. Miles, W. Mahaffee, and M. Moyer. 2021. Assessing the United States grape industry’s understanding of fungicide resistance mitigation practices. Am. J. Enol. Vitic. 72:181-193. DOI: 10.5344/ajev.2021.20062

Facing fungicide resistance in grape production: A game theoretic approach

Pardini, C., A. Espinola-Arredondo. 2020. Facing Fungicide Resistance in Grape Production: A Game Theoretic Approach. AgEcon Conference Proceedings of the Agricultural and Applied Economics Association, 2020 Annual Meeting, July 26-28 Kansas City, MS. DOI: 10.22004/ag.econ.304309

• Fungicide Resistance Monitoring and Management in US Vineyards – CAPCA
• A Framework to Manage Fungicide Resistance in Grape Powdery Mildew – Wine Business Monthly / Practical Vineyard and Winery
• Good to Know: Dialing in disease control. Best practices for fungicide stewardship. – Good Fruit Grower
• Early Season Scouting for Grape Powdery Mildew – Good Fruit Grower
• Managing Fungicide Resistance in the Vineyard – American Vineyard
• Good to Know: Why some seasons are worse for powdery mildew – Good Fruit Grower

• Fungicide Resistance In Grape Pathogens – A FRAME Update – Lodi Wine Growers
• Is bunch rot in your future? A wet bloom and increased risk of bunch rot at harvest – Vine to Wine (Oregon State University)
• Mapping Grapevine Phenology across New York – Finger Lakes Grape Program Newsletter
• FEN Phenology (New York) – Finger Lakes Grape Program Newsletter
• Managing Disease and Protecting Workers: Understanding the Role of Mancozeb in Eastern Grape Production – Finger Lakes Grape Program Newsletter

• Warres, B., K. Johnson, K. Busher, C. Cameron, P.M. Brannen, D. Rogers, R. Covington, W. Mahaffee, and T. Neil. 2021. Fungicide comparisons for powdery mildew management in a fungicide-resistant Erysiphe necator population, 2020. Plant Dis. Mgmt. Rep.15:PF012
• Warres, B., K. Johnson, K. Busher, C. Cameron, P.M. Brannen, D. Rogers, R. Covington, W. Mahaffee, and T. Neil. 2021. Assessment of interactions between sulfur and DMI fungicides to control powdery mildew in the presence of a DMI-resistant Erysiphe necator population in Georgia, 2020. Plant Dis. Mgmt. Rep.15:PF013
• Warres, B., K. Johnson, K. Busher, C. Cameron, P.M. Brannen, D. Rogers, R. Covington, W. Mahaffee, and T. Neil. 2021. Efficacy of DMI (FRAC 3) fungicides for control of powdery mildew in a DMI-tolerant Erysiphe necator population, 2020. Plant Dis. Mgmt. Rep.15:PF014
• Warres, B., S. Breeden, J. Winkles, P. Severns, P. Brannen, D. Rogers, R. Covington, W. Mahaffee, and T. Neill. 2020. Fungicide comparisons for powdery mildew management in a fungicide-resistant Erysiphe necator population, 2019. Plant Dis. Mgmt. Rep.14:PF014.
• Warres, B., S. Breeden, J. Winkles, P. Severns, P.M. Brannen, D. Rogers, R. Covington, W. Mahaffee, and T. Neill. 2020. Efficacy of sulfur and myclobutanil combinations for control of grapevine powdery mildew in Georgia, 2019. Plant Dis. Mgmt. Rep.14:PF015.

9^th International Workshop on Grapevine Downy and Powdery Mildews (GDPM 2022)

Conference Proceedings: https://www.bio-conferences.org/articles/bioconf/abs/2022/09/contents/contents.html

• Assessment of QoI and CAA fungicide resistance of Plasmopara viticola populations in vineyards of the Great Lakes region in the United States of America. Authors: N. Sharma, L. Heger, D. Combs, K. Gold and T. D. Miles
• Bridging the gap between powdery mildew genomics and valuable culturing methods of Erysiphe necator and Podosphaera aphanis. Authors: S. Thompson, T. Neill, W. Mahaffee and T. Miles
• Advances in molecular and optical detection strategies for grape downy mildew. Authors: L. Heger, F. Martin, N. Sharma and T. D. Miles
• Influence of sustainability programs on fungicide stewardship practices in Pacific Northwest United States vineyards. Authors: C.L. Oliver and M.M. Moyer
• Improving Confidence and Understanding of Fungicide Program Design in USA Grape Growers Through Peer-Interactive Extension Programming. Author: M.M. Moyer
• Rapid sampling technique to monitor Erysiphe necator more effective than visual scouting. Authors: Sarah R. Lowder, Tara M. Neill, Timothy M. Miles, Michelle M. Moyer, Charlotte Oliver, Shunping Ding and Walter F. Mahaffee