students standing in wheat field

Major in Agricultural Biology

Make a difference that will last generations.

An Agricultural Biology major get hands-on experience studying plants, microbes, insects, and weeds that threaten the safety and sustainability of our food supply. It will also provide practical training through internships and/or research experiences.

You will share this experience with a cohort of students who will become your teammates in strengthening the ecosystems that we all depend on for food, fiber, and ecosystem services.

Visit the CSU Course Catalog to get info on coursework and degree requirements.




Concentrate On Your Interests

When you major in Agricultural Biology, you have the option to focus your studies in one of three concentration areas.


paper wasp

Entomology Concentration

Discover the basic and applied science of the study of insects and other arthropods such as ticks and mites. Help build a healthier food system for a growing world while protecting the environment.

View CSU Course Catalog Requirements

Alfalfa mosaic virus

Plant Pathology Concentration

Discover how virus, bacteria, fungi, and other microbes affect plant and ecosystem health and learn about the tools that are used to diagnose and manage plant diseases caused by these microbes.

View CSU Course Catalog Requirements

dense kochia

Weed Science Concentration

Invasive and weed plants are one of the major threats to food security. Learn to identify and manage weeds and discover the role that biotechnology plays in weed management.

View CSU Course Catalog Requirements



Our bachelors in Agricultural Biology prepares you for careers in research, extension, teaching, private consulting, industry, and government. You can also continue in a broad range of M.S. and Ph.D. programs.

Specific career opportunities include agricultural consultants, technical and sales representatives for industry, state departments of agriculture and USDA specialists, agricultural extension agents, industry research and environmental technicians.

Where You’ll Find Us

Teaching at ARDEC.

Agricultural Research and Development Center

Work directly with crops and livestock at this research and teaching complex — one of ten around the state.

Learn More about ARDEC

person watering plants in greenhouse

Plant Growth Facilities

The PGF is an Institutional Core Research Facility supporting research and education.


Learn more about Plant Growth Facilities


kids looking at bugs

Bug Zoo and Community Outreach

Volunteer with this traveling exhibit to introduce K-12 students to 30+ species of arachnids, insects, and other arthropods.

Learn more about the Bug Zoo

Gillette Museum

C. P. Gillette Museum of Arthropod Diversity

Nearly five million specimens in the aquatic insect orders, the Lepidoptera – butterflies and moths, the Diptera – flies, gnats and mosquitos, and the Hymenoptera – ants, bees, wasps and relatives.

Learn More About the Gillette Museum


Tall modern urban building

CSU Spur

CSU’s Denver’s campus at the National Western Center that brings together research, teaching and engagement activities in a modern-day approach to the university’s land-grant mission.

Learn more about CSU Spur


Nutrien building

Nutrien Agricultural Sciences Building

CSU’s new home for Colorado agriculture, student aspirations and agricultural innovation for global impact.

Learn more about the Nutrien Building

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Related Interests

  • Agriculture
  • Biology
  • Entomology
  • Plants
  • Weeds
Career Icon
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Related Careers

  • Agricultural Biologist & Engineer
  • Agricultural Science Research Technician
  • Biologist
  • Insect Molecular Biologist
  • Research Agronomist
  • Research Biologist
  • Research Entomologist
  • Research Plant Pathologist
  • Social Science Specialist

Agricultural Biology Academic Advisors

Man outside smiling

Chris Amerman

Academic Success Coordinator

Punya Nachappa

Punya Nachappa

Associate Department Head
Associate Professor
Chair of the Undergraduate Program Committee