2024 Grape Day


2024 Grape Day

Tuesday, April 2, 2024 | 8:30 A.M. to 3:00 P.M. PDT
The LaSells Stewart Center, Oregon State University, Corvallis, Oregon

Join us for our annual event highlighting research that impacts Oregon winegrape industries. Members of the Oregon Wine Research Institute will share the latest information from their research projects during a series of presentations and an interactive poster session.

This year, our keynote speaker will be Dr. Michelle Moyer. Dr. Moyer is a Professor and Viticulture Extension Specialist based in Prosser, WA. Her research bridges foundational understanding of pest biology and plant physiology, with practical application in commercial grape production systems. 


  • To register click the link here
  • Register by March 12 for a discounted rate of $100. 
  • Registration after March 12 is $150/person. 
  • Advanced registrations is required and will include all program related materials and lunch. Registration closes March 26, 2024. 
  • Speakers discount. Use the code: Speaker
  • Poster presenter discount. Use the code: Poster
  • Student attendee discount: $15/person. Use the code: OGDStudent

Program Schedule

8:30 AM - 9:00 AM Registration & Coffee
9 - 9:15 AM

Welcome and Introduction
Dr. James Osborne, Director of the Oregon Wine Research Institute, Professor OSU Food Science and Technology 

9:15 - 10 AM

The Reality of Fungicide Resistance: Disease Management and Lessons from FRAME
Dr. Michelle Moyer, Professor and Viticulture Extension Specialist, WSU Viticulture and Enology 

10 - 10:45 AM Poster Session with Authors 
10:45 - 11:05 AM

Understanding "ashy" recognition thresholds in smoke-affected wine and effect of blending on sensory perception 
Dr. Elizabeth Tomasino, Associate Professor, OSU Food Science and Technology 

11:05 - 11:25 AM

Is timing everything when it comes to malolactic fermentations? 
Dr. James Osborne, Director of the Oregon Wine Research Institution and Professor, OSU Food Science and Technology 

11:25 - 11:45 AM 

Estimating the Economic Impact of Wildfire Smoke on Oregon's Economy                                                                                         Dr. James Sterns, Associate Professor, OSU Applied Economics

11:45 - 12:05 PM 

Light, gloves, simulations and fungicide resistance: new tools for managing grape diseases.                                                        Dr. Walt Mahafee. USDA-ARS, Acting Research Leader Horticultural Crops Disease and Pest Management Research Unit

12:05 - 1:00 PM

Lunch (provided)

1 - 1:20 PM

Why wait? Irrigate!                                                                                                                                                                                      Dr. Alec Levin, Southern Oregon Research and Extension Center Director, Associate Professor, OSU Horticulture

1:20 - 1:40 PM

The microvine: Past, present, and future perspectives in our lab.                                                                                                        Dr. Laurent DeLuc, Associate Professor, OSU Horticulture

1:40 - 2:10 PM

Poster Break

2:10 - 2:30 PM

Mealybug biology and management in Oregon Vineyards                                                                                                                           Dr. Vaughn Walton, Professor OSU Horticulture 

2:30 - 2:50 PM

Adjusting Targets in the Yield-Quality Paradigm based on Pinot Noir Crop Load Research                                                              Dr. Patty Skinkis, Professor and Viticulture Extension Specialist, OSU Horticulture

This program is brought to you by the Oregon Wine Research Institute.


The LaSells Stewart Center
875 SW 26th Street
Corvallis, Oregon
Campus MapParking on Campus

stakeholder report


Questions regarding Grape Day can be addressed to:

James Osborne
(541) 737-6494 or Send Email