Jason A. Ferrell

Jason Ferrell. Associate Professor, PhD. Weed Science. Agronomy.

“My research interests are weed management in agronomic crops and pastures, weed management programs for industrial sites, and environmental fate of aminopyralid.”

Contact Information

Contact Info:

7922 NW 71st Street
PO Box 110965
Gainesville, FL 32653
Office: 352-273-3685
Fax:   352-392-1840


Jason Ferrell

Professor and Associate Chair

Weed Science - University of Florida
Department of Agronomy

Dr. Ferrell is Professor of Weed Science at the University of Florida-IFAS with a 65% extension and 35% research appointment. His research program focuses on weed management strategies in agronomic crops, pastures, and non-crop areas. He earned his PhD at the University of Georgia in weed science and his MS and BS degrees were both awarded at the University of Kentucky.  He currently serves as editor of Journal of Aquatic Plant Management.

Curriculum Vitae


Ph.D. Crop and Soil Sciences Department, University of Georgia, 2003

B.A. Department of Agronomy, University of Kentucky, 1998

M.A. Department of Agronomy, University of Kentucky, 2000

Research Interests

Weed management in agronomic crops

Weed management in pastures

Weed management programs for industrial sites


Currently Co-teaching AGR4214 – Applied Field Crop Production. Offered every fall. Credits: 3

Online Documents

Located here.


Selected for 2012

Morichetti, S.*, J. Ferrell, G. MacDonald, B. Sellers, and D. Rowland. 2012. Weed management and peanut response from applications of saflufenacil. Weed Technol. 26:261-266.

Morichetti, S.*, J. Cantero, C. Nunez, G. Barboza, L. Espinar, A. Amuchastegui y J. Ferrell. 2012. Sobre La Presencia De AMARANTHUS PALMERI (Amaranthaceae) En Argentina. Bol. Soc. Argent. Bot. In press.

Berger, S.*, J. Ferrell, B. Brecke, W. Faircloth, and D. Rowland. 2012. Influence of flumioxazin application timing and rate on cotton emergence and yield. Weed Technol. 26:622-626.

Ferrell, J., B. Sellers, and E. Jennings. 2012. Herbicidal control of largeleaf lantana (Lantana camara). Weed Technol. 26:554-558.

Rana, N.*, B. Sellers, J. Ferrell, and G. MacDonald. 2012. Impact of soil pH on bahiagrass competition with giant smutgrass (Sporobolus indicus var. pyramidalis) and small smutgrass (Sporobolus indicus var. indicus). Weed Sci. In Press. http://dx.doi.org/10.1614/WS-D-12-00070.1

Rana, N.*, B. Wilder*, B. Sellers, J. Ferrell, and G. MacDonald. 2012. Effects of environmental factors on seed germination and emergence of smutgrass varieties. Weed Sci. 60:558-563.

Honors and Professional Activities

2011 Dallas Townsend Extension Enhancement Award.

2011 Weed Scientist of the Year. Florida Weed Science Society.

2008 Researcher of the Year – Florida Cattleman Association

2008 Outstanding Extension Specialist – FL Assoc. of County Agents

2006 Outstanding Reviewer - Weed Science Society of America

Associate Editor – Weed Technology

Associate Editor – Journal of Aquatic Plant Management

Weed Science Lab

Graduate Students under Dr. Jason Ferrell


Michael Durham

Michael Durham has been a Biological Scientist at the University of Florida since 2007. He ran the pesticide program at the IFAS-PSREU in Citra, FL until 2010 and now currently works with Dr. Jason Ferrell conducting Weed Science research in Gainesville, FL. From 2001 until 2007 he worked for the USDA-ARS Plant Science Unit in Raleigh, NC as a Biological Technician. In 2000, he received his B.S. degree in Botany from the University of Florida. He is currently working towards an M.S. degree in Weed Science at the University of Florida. His research focuses on using aminocyclopyrachlor for vegetation management on Florida's right-of-ways.

Hunter Smith

Ph.D. Candidate. Dissertation title: Integrating dicamba into cotton production: understanding drift and soil activation.
I grew up in Northeast Arkansas and received my bachelor’s degree from Arkansas State University in 2009. I worked in a research lab at the Arkansas Biosciences Institute before starting my master’s degree at UF under Dr. Jason Ferrell. My research interests are agronomic weed science and ornamental plant management.


Blaire Colvin

Ph.D. Candidate (co-chair; David Wright, chair). Dissertation title: Herbicide sensitivity and management of Brassica carinata for biofuel.


Ben Sperry

M.S. Candidate. Thesis title: Production practices that influence sesame tolerance to soil applied S-metolachlor.