DEPARTMENT OF PLANT AND SOIL SCIENCES


We have excellent teaching, research, and outreach programs in the areas of plant biology (cellular, genetics, genomics, microbial, molecular and physiology), agronomy (including pathology, soil management and weed science), horticulture (sustainable landscapes, fruits and vegetables), landscape architecture and environmental soil sciences (biogeochemistry, hydrology and plant-soil interactions). We have a distinguished faculty, known nationally and internationally for their research and outreach, and within UD for their excellence in teaching, advising and mentoring students.

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Featured video
 

Innovation at UD: Harsh Bais: youtube.com/watch?v=ZMsIF6rPcek

University of Delaware inventor Harsh Bais is a plant biologist, known for his research developing a beneficial bacterium that can help boost plant defenses, water retention and more. Here, Bais—who was named an Innovation Ambassador at UD earlier this year—shares some of what he’s learned about invention along the way.
Read the UDaily feature.

Faculty spotlight

Harsh Bais
Professor of Plant Biology
 

Prof. Bais' research takes a multidisciplinary approach by interfacing plant biology and chemistry to unravel the underground communication process.

Latest news

  • A compilation of images. On the left, a snake. On the right, Brian Griffiths paddles down a river.

    Community conservation

    January 28, 2026 | Written by by Katie Peikes | Photos courtesy of Brian Griffiths and by Dylan Francis, Elizabeth Benson and Wilfredo Martinez | Photo illustration by Katie Young
    Brian Griffiths, a UD Class of 2016 alumnus with degrees in plant science and environmental engineering, has made a career out of going to the Peruvian Amazon and supporting rural and Indigenous communities with wildlife management goals. A trip to the Peruvian Amazon in his undergraduate years set him on a career path exploring conservation, and how humans are connected with their natural world.
  • A 4-H Family

    January 23, 2026 | Written by: Molly Schafer
    The Webb Family of Greenwood, Delaware, is deeply committed to 4-H. In 2006, Double Dels Scott and Elaine (Zeitler) Webb established the Peach Blossom 4-H Club. Their children, Leslie and Leighton Webb, grew up in the club and now, as adults, volunteer alongside their parents. Leslie is also a UD alumna.
  • Helping gardens and interns grow

    January 16, 2026 | Written by Michele Walfred | Photos by Katie Young and Michele Walfred and courtesy of Andrew Adams
    University of Delaware Botanic Gardens Nursery and Collections Manager Andrew Adams oversees a diverse botanical selection that comprises 11 specialty gardens across 15 acres — soon to be 16 — when the Townsend East Lawn and Garden project is complete. Adams credits his own academic career path at UD directly to his UDBG intern experiences in 2016.

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