The Department of Plant Science and Biotechnology was one of the foundation Departments in the Faculty of Science and in the University. The Department commenced operation in the University as the Department of Botany in the 1982/1983 Academic session. The name of the Department was first changed to the Department of Plant Science and Forestry in 1999/2020 session, Department of Plant Science in 2002/2003 session and later changed to Department of Plant Science and Biotechnology in 2017/2018 academic session after senate approval of the new curriculum. The Leadership of the Department from the onset to date include Prof. M.A. Faluyi (1982/1983, 1988/1989, 2001-2003); Late Prof. A.O. Akande (1989/1990, 1998/1999), Dr. O. Olumekun (1999), Late Prof. J. Kayode (1999/2000, 2003-2006, 2008/2009), Prof. P.O. Tedela (2006-2008, 2009-2012), Prof B.O. Ademiluyi 2012/2013, 2015/2016), Prof. S. Aroeosegbe (2013- 2015, 2017/ 2018), Prof J.E. Otoide (2016/2017), Prof (Mrs) M.J. Ayeni (2018- 2020), Dr. A.O. Adebiyi (2020-2022),  Dr. S.D Oyeyemi ( 2022/2023), Prof (Mrs) M.K. Olanipekun  (2023-2025) . The current Head of Department is Prof (Mrs) M.J. Ayeni (2025 till date). 

Overview:

Plant Science and Biotechnology programme is designed to graduates impact basic and broad knowledge in experimental and the theoretical Plant Science and Biotechnology, offer opportunity of acquaintance with some extensions and applications of Plant Science and Biotechnology and its connections with other disciplines, permit students desire to combine the study of Plant Science and Biotechnology with some appropriate selection from other disciplines as a basis for a contemplated chosen career, offer within the Department of Plant Science, opportunities to acquire knowledge in Plant Breeding,  Genetics, Plant Pathology, Lower Green Plants, Plant Physiology, Ethnobotany, Horticulture and Biotechnology and include in students a sense of enthusiasm for Plant Biology that will make them appreciate plants and its importance to life and involve them intellectually, stimulating and satisfy experiences of learning.

Philosophy:

The programme is designed to provide a sound knowledge of the concepts and methodologies of Plant Science and Biotechnology in key areas that meet the needs of society, foster excellence, creativity and innovation in this field of study to meet the manpower needs of the nation and the world at large. The programme is designed to prepare undergraduates for work in higher institutions of learning, secondary schools, research institutes, government establishment, industries and consulting organisations. Products of the programme will be suitable for self-employment.

Mission Statement of the Department:

The mission of the Department is to make available quality education to the entire populace of Ekiti State and Nigeria as a whole, thereby preparing them to be able to manage the public and private sectors of the State and Nation effectively and productively