About this Event
View mapKick off the 2026 growing season with the premier educational event for the Southern Oregon wine grape industry!
Organized in collaboration with the Rogue Valley Winegrowers Association, the 11th Annual Southern Oregon Grape Day is an all-day event featuring educational seminars from researchers, extension agents, and practitioners. This year's event is Tuesday, March 10.
ODA pesticide credit opportunit:4 credits total.
Breakfast and lunch will be provided to in-person attendees. Save $20 on in-person registration by signing up before February 27th! Zoom attendance fee is $25. Registration closes Tuesday, March 3.
Agenda for Grape Day 2026
8:30 Registration and Refreshments
9:00 Welcome and Introduction
Dr. Alec Levin, Associate Professor and Director, Department of Horticulture and SOREC
9:10 *Red Blotch: A Disease with No Compare
Dr. Marc Fuchs, Professor, School of Integrative Plant Science, Plant Pathology and Plant-Microbe Biology Section, Cornell AgriTech
10:00 Break
10:15 *Using Hyperspectral Imaging to Find Red Blotch Early and Protect Vineyard Profitability
Dr. Luca Brillante, Associate Professor and Bronco Wine Company Chair in Viticulture, Jordan School of Agricultural Sciences and Technology, Fresno State University
11:05 Break
11:20 Understanding Soil Potassium Dynamics in Southern Oregon Vineyards
Dr. Nan Xu, Assistant Professor (Practice), Department of Crop & Soil Science and SOREC
11:50 Potassium Nutrition in Grapevines and SOREC Viticulture Research Updates
Dr. Alec Levin, Associate Professor and Director, Department of Horticulture and SOREC
12:20 Lunch
Sponsored by Rogue Valley Winegrowers Association
1:00 *Fungicide-Resistant Population of Powdery Mildew and Its Management Strategies
Dr. Achala KC, Associate Professor and Plant Pathologist, Department of Botany & Plant Pathology, SOREC
1:30 *Harnessing Native Vineyard Microbes for Grapevine Trunk Disease Suppression in Cooler Climates
Joseph DeShields, PhD student (KC Lab), Department of Botany & Plant Pathology, SOREC
2:00 Break
2:15 *Panel Discussion: Mealybug debrief
Dr. Robert Orpet, Assistant Professor, Department of Horticulture and SOREC
Dr. Vaughn Walton, Professor and Entomologist, Department of Horticulture, OSU
Josh Vlach, Entomologist, Oregon Department of Agriculture
Michael Moore, Owner and General Manager, Quail Run Vineyards
Jason Cole, Owner and Viticulturist, Pacific Crest Vineyard Services
3:45 Adjourn