2026 San Joaquin Valley Grapevine Rootstock Field Day
Viticulture research conducted at UC West Side REC and Kearney REC will be shared on the event including grape variety (11 varieties) and rootstock (7 rootstocks) evaluation, Sunpreme raisin study, cover crop and soil health study, and herbicide trial.
2026 San Joaquin Valley Grape Symposium
Wednesday, January 7
UC Kearney REC, 9240 S Riverbend Ave, Parlier, CA 93648
2026 San Joaquin Valley Grapevine Rootstock Field Day
El Simposio de UCCE sobre Uvas del Valle de San Joaquín se llevará a cabo el 7 de enero en el UC Kearney REC. Incluirá presentaciones sobre selección de portainjertos, manejo de plagas, y el impacto del clima en la producción de uvas. Se ofrecerán 2.0 horas de PCA y 3.5 horas de CCA. Para consultas, contactar a George Zhuang.
Morning Welcome George Zhuang, Viticulture Advisor, UCCE Fresno County
Select Rootstocks for Vineyard Replanting in the SJV George Zhuang and Karl Lund, Viticulture Advisors, UCCE Fresno and Madera County
Natural DOV Raisin and Virus-Resistant Grape Breeding Dr. Summaira Riaz, Plant Geneticist, USDA ARS
Sunpreme Natural DOV Raisin Rootstock, Trellis, and Nutrient Study Update Dr. Matthew Fidelibus, Viticulture CE Specialist, UC Davis
Raisin Moth Management Dr. Kent Daane, Entomology CE Specialist, UC Berkeley
Coordinator: Karl Lund, Viticulture Advisor, Madera, Merced, and Mariposa Counties
Recent Issues and Concerns – Laws and Regulations Shawn Athayasay, Fresno Ag Commissioner
Impact of Climate Variation and Extreme Weather Events on Grape Production Dr. Tapan Pathak, CE Specialist, UC Merced
Update on Spotted Lantern Fly Dr. Neil McRoberts, Department of Plant Pathology, UC Davis
Sudden Vine Collapse Update Dr. Akif Eskalen, Plant Pathology CE Specialist, UC Davis
Continuing Education: 2.0 PCA and 3.5 CCA hours have been requested. Any questions? Email George Zhuang at: gzhuang@ucanr.edu or call the cell number (559) 231-1143
