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Mary Ann Hansen's Images

Title: Instructor
Organization: Virginia Polytechnic Institute and State University
Unit: Department of Plant Pathology, Physiology, and Weed Science
Country: United States
Web: http://www.ppws.vt.edu/~clinic/

Mary Ann Hansen is an instructor and diagnostician in the Department of Plant Pathology, Physiology, and Weed Science at Virginia Tech. She co-manages the VT Plant Disease Clinic, where she has diagnosed plant problems for Virginia Cooperative Extension (VCE) agents since 1984, and develops educational materials for VCE. She also teaches an undergraduate class on the technologies used to domesticate plants and a graduate class on disease diagnostics. In addition, she has participated in international diagnostics projects in Africa and Central America.
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8 Images of 4 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5408689 Phytophthora blight Phytophthora nicotianae Wilt and stem rot Pathogen type: Oomycete
5408695 downy mildew Peronospora phlogina Leaf necrosis Pathogen type: Fungus
5333020 Pythium diseases Pythium spp. Pennsylvania State University field trials
5336029 Pythium diseases Pythium spp.
5336051 Pythium diseases Pythium spp.
5336063 Pythium diseases Pythium spp.
5337040 Phytophthora root and crown rots Phytophthora spp.
5337041 Phytophthora root and crown rots Phytophthora spp.

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