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2025 poster Session
research Reports on Display
Poster Sessions 2025
Research Reports on Display
Wednesday, June 18, 7:30 am – 7:00 pm & Thursday, June 19, 8:30 am – 5:00 pm
Authors present their poster research during the Regional Wine Reception (5:30 pm – 7:00 pm) Wednesday, June 19, at the Portola Hotel, Monterey, California
Student Flash Talks
Wednesday, June 18, 4:30 pm – 5:30 pm at the Monterey Conference Center, Monterey, California
Some student poster presenters have been assigned oral, 3.25-minute Flash Talks. These “flash” presentations will provide additional opportunities for interaction between conference attendees and student researchers.
View the Enology and Viticulture Flash Talk schedules.
Chair:
James Nelson, University of California, Davis
| Rapid Detection and Risk Assessment of Smoke-Derived Volatile Phenols: A Chemometric Approach using Spectrofluorometry Brandt Bastow, University of California, Davis Flash Talk: June 18, 2025, 4:30:00 pm | |
| Non-contact Post-fermentation Wine Processing to Remove Thiol-Related Smoke Compounds Lik Rong Lim, Oregon State University, Corvallis Flash Talk: June 18, 2025, 5:12:15 pm | |
| Wildfire Smoke-Taint Amelioration in Red Wines using Y Zeolite Connor Patton, University of California, Davis | |
| Barrier Spray Analyses for Mitigation of Smoke-Related Volatile Phenols in Cabernet Sauvignon Grapes Gauthier Lagarde, University of California, Davis | |
| Impacts of Methyl Jasmonate and Benzothiadiazole on Glycosylated Phenols in Grapes Exposed to Smoke Marker Compounds Chen Liang, University of California, Davis | |
| Validation of Protocols for Acid Hydrolysis of Smoke Related Glycosides Julie Hilland, Washington State University, Tri-Cities Flash Talk: June 18, 2025, 4:49:30 pm | |
| Examining the Role of Frost Damage on Leaf Composition to Unravel the Mystery of the “Frost” Taint Wine Phenomenon Mitchell Davey, Washington State University, Tri-Cities Flash Talk: June 18, 2025, 4:46:15 pm | |
| Investigation of Grape Skin Thickness and Grape Skin Lipid Content for Differences in Smoke Taint Composition Chanda Miller, Oregon State University, Corvallis Flash Talk: June 18, 2025, 5:15:30 pm | |
| Innovative & Sustainable Wine Fining: The Science Behind Plant Proteins Lorenza Allen, Enartis, California | |
| Evaluating the Impact of Cool and Warm Climate on Grenache blanc and Viognier Wine Quality in California’s Central Coast Coleman Imrisek, California Polytechnic State University, San Luis Obispo Flash Talk: June 18, 2025, 5:02:30 pm | |
| Evaluating the Impact of Cool and Warm Climate on Grenache and Syrah Wine Quality in California’s Central Coast Coleman Imrisek, California Polytechnic State University, San Luis Obispo | |
| Natural Biopolymer-Based Coatings to Improve Water-Use Efficiency and Heat Tolerance in Cabernet-Sauvignon Xavier Rideout, California State University, Fresno Flash Talk: June 18, 2025, 4:39:45 pm | |
| Environmental Drivers of White Winegrape Quality: A Survey of Chardonnay Ripening in Northern California Kaitlin Libbey, University of California, Davis | |
| Phenotypic Characterization and Cold Hardiness Assessment in Vitis Riparia and Vitis Amurensis Mapping Populations Hava Delavar, North Dakota State University, Fargo | |
| Soil Moisture and Soil Temperature Interact to Alter Grapevine Water Relations and Aquaporin Gene Expression Geraldine Diverres, Washington State University, Prosser | |
| How Grow-Tube Type Influences the Vine Microclimate in Winter Madison Shaw, Washington State University, Prosser Flash Talk: June 18, 2025, 4:49:30 pm | |
| Assessing Carbon Saturation Potential of Regeneratively Managed Vineyard Soils Gwendolyn Richards, California Polytechnic State University, San Luis Obispo Flash Talk: June 18, 2025, 4:56:00 pm | |
| Arbuscular Mycorrhizal Fungal Abundance and Diversity Across Vineyards in the Western United States Amanda Rodriguez, University of California, Davis Flash Talk: June 18, 2025, 4:59:15 pm | |
| Variability in the Vineyard: A Multi-method Approach in Determining Grapevine Evapotranspiration for Canadian Vineyards Jessica Williamson, University of Waterloo, Canada | |
| Linking Soil Carbon Stability and Microbial Diversity at Different Soil Depths in Northern California Vineyards Connie Wong, University of California, Davis | |
| Untargeted Metabolomic Analysis of Heat Stress Response in Cabernet Sauvignon Grapevines Samarth Rao, The University of Texas at Austin Flash Talk: June 18, 2025, 5:09:00 pm | |
| Chemical and Sensory Effects of Turbidity, Hyperoxygenation and Redox Potential on Grenache Blanc Wines from California Mia Pargellis, California Polytechnic State University, San Luis Obispo Flash Talk: June 18, 2025, 4:33:15 pm | |
| Assessing the impact of skin contact, redox potential and hyperoxygenation in Albariño wines from California Mia Pargellis, California Polytechnic State University, San Luis Obispo | |
| Kaolin an Zeolite Reduce Drought Damages to Gewürztraminer and Influence Berry Composition, must Quality and Wine Aroma Stefano Zanoni, University of Trento, Italy Flash Talk: June 18, 2025, 5:12:15 pm | |
| Evaluating Methods to Measure Free and Total Sulfur Dioxide in Wine Renee Threlfall, University of Arkansas, Fayetteville | |
| Detection and Identification of Glutathionyl-Flavan-3-ol Adducts in Red Wine Andrew L Waterhouse, University of California, Davis | |
| Te Whenua Tupu Living Lab: New Facility for Soil and Ecosystem Research for Sustainable Horticulture Cynthia Lund, The New Zealand Institute of Plant and Food Research, New Zealand | |
| Assessing the Economic Sustainability of Regenerative Viticulture in Sonoma County Axel Herrera, University of California, Davis | |
| High-Resolution Approaches to Vineyard Nutrient Optimization Nataliya Shcherbatyuk, Washington State University, Prosser | |
| Exploring Challenges and Needs of the US Grape and Wine Industry: A Western Region Focus Aude A. Watrelot, Iowa State University, Ames | |
| Effects of Varying Concentrations of Sulfur Dioxide at Bottling Aude A. Watrelot, Iowa State University, Ames | |
| Selective Phenolic Extraction During Cold Soak of Bordeaux Varietals Musts using Bipolar Pulsed Electric Fields Mafalda Aguiar Macedo, EnergyPulse Systems, Portugal | |
| Effects of Micro-Oxygenation and Redox Potential Control by Air Sparging During Alcoholic Fermentation on Syrah Wines Jordan Wright, California Polytechnic State University, San Luis Obispo Flash Talk: June 18, 2025, 4:36:30 pm | |
| Chemical Effects of Oxidation Reduction Potential on Syrah, Grenache and Mourvèdre Wines and Their Blends Jordan Wright, California Polytechnic State University, San Luis Obispo | |
| Optimizing Strategies for Acid Management in Red Wines from the Central Coast of California Charlotte Drop, California Polytechnic State University, San Luis Obispo Flash Talk: June 18, 2025, 4:43:00 pm | |
| Haskap Variety and Winemaking Process Evaluations Aditya Anand, North Dakota State University, Fargo | |
| Ripening Kinetics and Grape Chemistry in Petit Manseng, a Non-traditional Variety of Vitis vinifera Joy Ting, Virginia Winemakers Research Exchange, Charlottesville | |
| Proximal Multispectral Imaging and Artificial Neural Networks for Assessing Grape Ripeness and Quality in Vineyards Carlos Perez Perez, Tec de Monterrey, Mexico Flash Talk: June 18, 2025, 5:05:45 pm | |
| Profiling Texas-Grown and -Produced Wines Using Untargeted LC-MS-Based Metabolomics Delaney Dyer, The University of Texas at Austin Flash Talk: June 18, 2025, 5:18:45 pm | |
| Deficit Irrigation Strategies for Sustainable Grapevine Production in the San Joaquin Valley: Three Years of Insights Vincenzo Cianciola, California State University, Fresno Flash Talk: June 18, 2025, 4:43:00 pm | |
| Creating a Practical Approach to Predict Grapevine Water Status by Precision Viticulture Technologies Runze Yu, California State University, Fresno | |
| Improving Vineyard Resilience against Climate Change by Trellis Selection and Applied Irrigation Amounts Runze Yu, California State University, Fresno | |
| Calibrating a New Short-Wave Near-Infrared Spectroscopy Sensor for Measuring Table Grape Maturity Joy Hollingsworth, University of California Cooperative Extension, Tulare County | |
| Advancing Tannin Quantification in Wines: A Rapid, Reliable Approach with Machine Learning & BioSystems SPICA® analyzer Marilyn Garcia Tenesaca, BioSystems, Spain | |
| A New Method for Tannin Fingerprinting and Quantification via LC-MS/MS-Electrospray Ionization In-Source Fragmentation Yanxin Lin, The Pennsylvania State University, State College Flash Talk: June 18, 2025, 4:52:45 pm | |
| Enhancing Precipitable Tannin Quantification: A Validated, Ready-to-Use Alternative to Traditional Methods Jose Morales Ariza, BioSystems, Spain | |
| Characterizing Oregon Vineyard and Winery Brettanomyces Strains for Spoilage Potential C. Michael Sonza, Oregon State University, Corvallis Flash Talk: June 18, 2025, 4:39:45 pm | |
| Biofilm of Oenococcus oeni on Yeast Derivatives: Trigger Malolactic Fermentation, Modulate the Characteristics of Wine Anne Flesch, Fermentis, Wisconsin | |
| Enhancing Wine Acidity Through Lactic and Succinic Acid-Producing Yeast Strains Mirjam Fischer, University of California, Davis | |
| Identification of Novel Californian Saccharomyces cerevisiae Strains with Enological Potential Sydney Rogers, University of California, Davis Flash Talk: June 18, 2025, 4:56:00 pm | |
| Strain Selection and Timing of Malolactic Fermentation: Shaping the Chemistry of Pinot noir Wine Nicholas Mannino, Oregon State University, Corvallis Flash Talk: June 18, 2025, 4:59:15 pm | |
| Inhibition of Pellicle Formation by a Solvent-Extracted Fraction from Non-Pellicle Wine Fumie Watanabe-Saito, University of Yamanashi, Japan | |
| Conversion of Diglucoside Anthocyanins to Polymeric Pigments and their Influence on Wine Masashi HISAMOTO, University of Yamanashi, Japan | |
| Development of the New Method to Detect the Fungicide Resistance in Grape Downy Mildew using Aseptically Cultured Plants Kanako Sasaki, Kirin Holdings Company, Japan | |
| The Influence of Packaging Material on the Properties of Carbonated Blueberry Wine Under Accelerated Storage Conditions Nick Wendrick, University of Florida, Gainesville Flash Talk: June 18, 2025, 5:09:00 pm | |
| Screening for Fungicide Resistance in Botrytis cinerea from California Central Coast Vineyards Abraham Ahumada, California Polytechnic State University, San Luis Obispo | |
| Impact of Grapevine Red Blotch Virus (GRBV) Infection on Grape Cell Wall Ripening Enzymes Over Two Growing Seasons Arpa Boghozian, University of California, Davis | |
| Enhancing Grapevine Red Blotch Virus Detection: Multi-Vineyard Model Improvement and Deep Learning Integration Eve Laroche-Pinel, California State University, Fresno | |
| The Role of the Stomatogastric Nervous System in Controlling Feeding in Hemipteran Pests of Grapevines Paul Cooper, The Australian National University, Australia | |
| Survey and Characterization of Grape Black Rot in Oklahoma Tanner Dollar, Oklahoma State University, Stillwater Flash Talk: June 18, 2025, 4:46:15 pm | |
| Integrating UV-C and Canopy Management for Grape Powdery Mildew Control Jesse Stevens, Washington State University, Prosser Flash Talk: June 18, 2025, 4:52:45 pm | |
| Global Genetic Diversity and Population Structure of Grapevine Powdery Mildew Benny Ordonez, United States Department of Agriculture – Agricultural Research Service, California | |
| Integrative Multi-Omics Analysis of GRBV Effects on Grapevine: Unraveling Temporal, Genetic, and Metabolic Dynamics Prem Singh, University of California, Davis | |
| Effects of Air and Nitrogen Gas Mixing During Alcoholic Fermentation on the ORP, and Chemical Outcomes of Syrah Wines Dallas Parnigoni, California Polytechnic State University, San Luis Obispo | |
| Hyperspectral Phenolics: Exploring the Covariation between Leaf and Berry Reflectance and Berry Chemistry Alexandra Basquette, University of California, Davis | |
| Wine Technical Tasting Reveals No Yield Specific Sensory Relationship in Pinot noir Crop Load Trial Ainsley McCollum, Oregon State University, Corvallis Flash Talk: June 18, 2025, 5:05:45 pm | |
| Evaluating the Sensory Impacts of Fermentation Techniques on Tropical Fruit Aroma in Chardonnay Wines Mara Anton, Oregon State University, Corvallis | |
| Impact of Training System and Pruning Severity on Teroldego Grapevines in the San Joaquin Valley, California Marnelle Salie, Gallo, California Flash Talk: June 18, 2025, 5:02:30 pm | |
| Evaluation of Seven Rootstocks under Drought and Saline Condition for Wine Varieties in the Southern San Joaquin Valley Shijian Zhuang, University of California Cooperative Extension, Fresno County Flash Talk: June 18, 2025, 5:15:30 pm | |
| Understanding Spatial Variability of Vine Yield Components in Sonoma County Cabernet Sauvignon Vineyards Riley Hibbard, GALLO, California | |
| Strategies to Mitigate Heat Stress and Delay Berry Ripening in Grape Production Amid Climate Change Guadalupe Partida, California State University, Fresno Flash Talk: June 18, 2025, 4:30:00 pm | |
| Physiological and Ripening Responses of Cabernet Sauvignon to Plant Growth Regulators Under Drought and Heat Stress Adan Solis, California State University, Fresno Flash Talk: June 18, 2025, 4:33:15 pm | |
| Effects of Calcium Carbonate and Diatomaceous Earth on Vine Physiology and Grape Composition under a Hot, Arid Climate Marco Saldivar, California State University, Fresno Flash Talk: June 18, 2025, 4:36:30 pm | |
| Cold Damage Might be a Game of Probability Ben-Min Chang, Agriculture & Agri-Food Canada, Canada |
Shijian Zhuang, Shunping Ding | Edgar Godoy Monterroso | Qun Sun | Matthew Fidelibus | Philippe Rolshausen
Field Application of Biofungicides to Control Powdery Mildew and Botrytis Bunch Rot on California Winegrapes
Shijian Zhuang, Shunping Ding,* Edgar Godoy Monterroso, Qun Sun, Matthew Fidelibus, and Philippe Rolshausen
*California Polytechnic State University-San Luis Obispo, 1 Grand Ave, San Luis Obispo, CA, 93407 (sding01@calpoly.edu)
Grapevine powdery mildew caused by Erysiphe necator and Botrytis bunch rot, caused by Botrytis cinerea, are the two of the most important fungal diseases for California grape production. Growers are increasingly interested in using biofungicides because of tightening state regulations and the development of fungicide resistance in fungal populations. We initiated biofungicide trials in 2023 in two CA regions: CA Central Coast (San Luis Obispo), using Chardonnay and Pinot noir, and the San Joaquin Valley (Fresno), using Chardonnay and Carignan. At each location, two blocks were selected per variety. Weather stations were installed in the vineyards before budbreak to monitor the real-time powdery mildew risk index. Fourteen treatments included three biofungicides (Bacillus subtilis, Streptomyces lydicus, and extract of Reynoutria sachalinensis) applied at different intervals (weekly, biweekly, and mildew risk index-based), biofungicides rotating with synthetics, synthetic standard only, and an untreated control. Treatments started at bloom. Disease incidence and severity were rated biweekly, approximately one week prior to veraison, and yield and berry chemistry were measured at harvest. Biofungicide by itself did not show a better efficacy than synthetic standard on disease incidence or severity. However, the rotation of bio-fungicide and synthetic showed similar efficacy against disease severity as synthetic standard alone on both varieties at each location. No significant difference in yield or berry chemistry was found between biofungicide and synthetic treatments. The ongoing project will be repeated in 2024.
Funding Support: CDFA-Specialty Crop Block Grant Program and California State University Agricultural Research Initiatives
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