Ryan Contreras, Ph.D.

Associate Department Head and Professor, Oregon State University

Ryan Contreras, Ph.D. teaches several courses on woody plants in the Department of Horticulture at Oregon State University’s College of Agricultural Sciences. He also is a tree and shrub breeder with an emphasis on breeding for seedless cultivars of weedy plants.

https://Horticulture.OregonState.edu/Users/Ryan-Contreras