Join Melodie Putnam (Chief Diagnostician at the Oregon State University Plant Clinic) for a visual tour of common plant galls found in the PNW. Learn how these unusual plant growths are formed, who the common culprits are (fungi, bacteria, insects or mites?) and if the gall is of concern or just an interesting oddity. https://learn.extension.org/events/3493
Choosing a plant with disease resistance is one of the tools in a gardener’s Integrated Pest Management toolbox. In this session, ornamental plant breeder Dr. Ryan Contreras will outline how new cultivars are selected for disease resistance and highlight examples from his research program in the Department of Horticulture at Oregon State University.
Presented by: Dr. Ryan Contreras, Associate Professor, Department of Horticulture, Oregon State University.
Probably best known for making our squash leaves white, powdery mildew is an ever-present plant disease in the home garden. Dr. Jay Pscheidt will take us to the microscopic level to understand the biology of the fungi that cause powdery mildew and provide practical advice to manage this common nemesis in our gardens.
Presented by: Dr. Jay Pscheidt, Professor & Extension Plant Pathology Specialist, Department of Botany & Plant Pathology, Oregon State University