Plant and Soil Sciences Graduate Program

MS student, Emily Kennebeck
MS student, Emily Kennebeck, is working on a NASA project to grow hydroponic lettuce and mustard greens under different CO2 levels and light qualities.

One graduate program. Two concentrations. Three degree options.


Plant Science
involves course work in plant molecular biology, plant breeding, plant pathology, plant tissue culture, horticulture, crop science, plant anatomy and/or plant physiology with thesis research in one of those areas.

Soil Science involves course work and thesis research in soil chemistry, soil fertility and management, soil physics, soil microbiology and biochemistry, environmental microbiology, soil and water quality and soil formation and biogeochemistry.

Degree options:

  • Ph.D. dissertation degree
  • M.S. thesis degree
  • M.S. non-thesis degree (full- or part-time)
Latest News
  • Headshots of Rodrigo Vargas and Deborah Allen in front of a colorful, graphic illustration.

    Faculty members elected American Association for the Advancement of Science fellows

    April 29, 2024 | Written by Tracey Bryant
    Two University of Delaware professors, Rodrigo Vargas and Deborah Allen, have been elected fellows of the American Association for the Advancement of Science (AAAS) — one of the largest scientific societies in the world and publisher of the Science family of journals. The 2023 class includes 502 scientists, engineers and innovators across 24 disciplines, who are being honored for their scientifically and socially distinguished achievements.
  • Decoding rice roots

    April 26, 2024 | Written by Nya Wynn
    Frank Linam, a plant and soil sciences doctoral student at the University of Delaware, is studying how the wet soil conditions in flooded rice paddies affect the way the roots take in nutrients and filter out toxins. Linam found that the plaque successfully holds onto the arsenic in various environments and soil types so that it doesn’t make it into the roots.
  • Get ready for Ag Day

    April 18, 2024 | Written by Katie Peikes | Photos by Katie Young and Monica Moriak
    UD’s College of Agriculture and Natural Resources gears up for annual showcase for the community.

Application process update:  Due to coronavirus (COVID-19), the program of PLSC is waiving the GRE requirement for our graduate program.  If you wish to apply without a GRE score, please enter a future GRE exam date into the application.  It need not be a legitimate exam date.  Entering a future exam date causes the system to finish your application and send it on to our review committee where it will receive full consideration.