COVID-19 Advisory. OSU Extension is here for you. We are gradually resuming onsite and in-person activities, with some modifications.

Lynn Ketchum

Meet Our Plant Diseases Experts

Jeremiah Dung

Plant Pathologist

Brooke Edmunds

Community Horticulture, Master Gardeners

Kenneth Frost

Plant Pathologist

Christina Hagerty

Cereal Pathology

Achala KC

Plant Pathology

Maria Marlin

Faculty Research Assistant

Cynthia Ocamb

Plant Pathologist

Jay Pscheidt

Plant Pathologist

Melodie Putnam

Plant Clinic

Luisa Santamaria

Nursery Pathology Specialist, Bilingual Educator

Dave Shaw

Silviculture