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Welcome to Botany and Plant Pathology



We focus on fundamental aspects of plant biology; plant health, plant function, plant-microbe and plant-insect interactions, genomics, evolution, and ecology.

We are the primary research and extension unit within OSU addressing diseases of economically important plants in Oregon, and plant diseases of worldwide significance.

Cultivating excellence in plant biology through teaching, research, and outreach


Valerian Dolja, Professor in the Department of Botany and Plant Pathology, co-authors opening paper in the Diamond issue of Virology with Eugene Koonin and Mart Krupovic. In this paper, for the first time, they present a holistic concept of evolution of all eukaryotic viruses, a true milestone in the field as evident from extremely enthusiastic response of the virology community .........