Graduate Certificate - Graduate Courses

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Students adhere to the drop and refund policies and deadlines of their home university.
Spring 2022 Course Information
Plant Pathology

Course Description
Historical significance and development of plant pathology as a science and profession; the disease cycle; the affect of pathogens on the physiology of plants; the most current developments in the genetics of plant disease; how pathogens attack plants, and the mechanisms of plant defense and the affect of environmental factors on the development of plant disease will be taught. Additionally, plant disease epidemiology, mechanisms and treatments for the control of plant diseases and environmental factors that cause disease will be learned. Major diseases caused by fungi, prokaryotes, parasitic plants, viruses, nematodes, and flagellated protozoan; their pathogens, disease cycles, damage caused, prevention, and physical characteristics for identification will be examined.

Paul Twigg
Office: 308-865-8315

Campus Coordinator

For course access questions, contact the teaching university’s campus coordinator. For enrollment questions, contact your home university campus coordinator.
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Disability Support Services

To request accommodations for this course, contact the disability support office at your home university. You must register each semester and for each course. Read more about the Great Plains IDEA process for requesting accommodations.


Plant Pathology 5th Edition
George Agrios
Edition: 5th edition
ISBN: 9780080473789
Publisher: Academic Press

Course Access

Canvas at UNL

Approximately two to three weeks before the first day of class, UNL Graduate Studies will email students with information (student name, email, and NU ID) and instructions for accessing UNL classes.  For undergraduate students in the ECEMS program, Kaelie Kellner will email students with information and instructions for accessing UNL classes. Students will claim their UNL account by setting a password and security questions. Once students claim their ID, they will be able to access their courses at  Courses may not be visible to students until the first day of class.

Exam Proctor

This course does not require an exam proctor.

Synchronous Components

This course does not include synchronous components.

eBook ISBN: 9780080473789
Hardcover ISBN: 9780120445653
University Members
Members of the Great Plains IDEA are universities accredited by a regional accrediting agency recognized by the U.S. Department of Education. Member universities recruit, admit and graduate students, teach in an academic program and contribute to the leadership and maintenance of the alliance. Membership in the alliance is a selective process that engages institutional leadership at all levels.

Andrew Carl on duty as a park rangerThe Great Plains IDEA community development program has helped me become a better leader as a park ranger for the National Park Service. The skills I have gained empower me to bring colleagues and community members together toward positive change.

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