Skip to main content


UF/IFAS Citrus Research and Education Center

UF/IFAS Citrus Research and Education Center

Current Faculty

A phone and email directory of faculty, staff, postdocs, and students can be found on the CREC Phonebook


Dr. Michael Rogers

Dr. Michael Rogers

Center Director and Professor

(863) 956 - 5897 | mrgrs@ufl.edu

Dr. Rogers' responsibilities focus on the development and implementation of integrated pest management programs for citrus. Research examines the ecology of insect pests of citrus and the integration of chemical and biological control in the citrus system.

Dr. Tripti Vashisth

Dr. Tripti Vashisth

Associate Center Director and Associate Professor - Horticultural Sciences and Citrus Extension Specialist

(863) 956-8846 | tvashisth@ufl.edu

Dr. Vashisth's Extension responsibilities focus on citrus production needs and implementing horticultural practices to improve citrus production, tree health and fruit quality.

 Dr. John M. Chater

Dr. John M. Chater

Assistant Professor - Horticultural Sciences

(863) 956 - 8662 | jchater@ufl.edu 

Dr. Chater's program emphasis details citrus variety improvement; advanced selections in scion and rootstock field trials; fruit and juice quality and sensory analysis; optimizing grower selection; and more.

Dr. Michelle Danyluk

Dr. Michelle Danyluk

Professor - Food Science

(863) 956 - 8654 | mddanyluk@ufl.edu

Dr. Danyluk's research and extension interests include microbial food safety and quality, emphasizing the microbiology of fresh fruits, vegetables, nuts and juices.

Dr. Megan Dewdney

Dr. Megan Dewdney

Associate Professor - Plant Pathology & Extension Specialist

(863) 956 - 8651 | mmdewdney@ufl.edu

Dr. Dewdney's Extension responsibilities focus on integrated management and control measures for citrus canker and citrus greening with additional responsibilities for fungal pathogens.

Dr. Lauren M. Diepenbrock

Dr. Lauren M. Diepenbrock

Assistant Professor - Entomology

(863) 956 - 8801 | ldiepenbrock@ufl.edu

Dr. Diepenbrock's program emphasis is Integrated Pest Management and Insect Ecology.

Dr. Larry Duncan

Dr. Larry Duncan

Professor - Nematology

(863) 956 - 8821 | lwduncan@ufl.edu

Dr. Duncan's research focus is on the ecology and management of plant parasitic nematode pests of citrus and the ecology of entomopathogenic nematodes and their potential role in citrus IPM.

Manjul Dutt

Dr. Manjul Dutt

Assistant Professor - Horticulture

(863) 956 - 8679 | manjul@ufl.edu

Dr. Dutt's research is primarily focused on citrus improvement using both conventional breeding tools and biotechnology. The breeding program is focused on the development of improved finger lime hybrids.

Dr. Choaa El-Mohtar

Dr. Choaa El-Mohtar

Research Assistant Scientist - Plant Pathology

(863) 956 - 8720 | mohtarc@ufl.edu

Dr. El-Mohtar's program works mainly with the development and the deployment of CTV infectious clones for basic science research and practical purposes (HLB/Asian citrus psyllid control).

Dr. Fred Gmitter

Dr. Fred Gmitter

Professor - Horticulture Science

(863) 956-8878 | fgmitter@ufl.edu

Dr. Gmitter's program emphasis is citrus breeding and genetics for variety improvement; genomic research to develop efficient ways to select improved plants and to enable cloning and manipulation of important genes.

Dr. Jude Grosser

Dr. Jude Grosser

Professor - Plant Cell Genetics

863-956-8680 | jgrosser@ufl.edu

Dr. Grosser's research program in citrus variety improvement addresses all major citrus production problems in Florida, and also strives to develop new cultivars that will provide growers with new marketing opportunities.

Dr. Davie M. Kadyampakeni

Dr. Davie M. Kadyampakeni

Associate Professor | Soil, Water, and Ecosystem Sciences

(863) 956 - 8843 | dkadyampakeni@ufl.edu

Dr. Kadyampakeni's program emphasis includes developing and implementing sustainable strategies that optimize water management for citrus production, conservation of water, and water quality.

Dr. Nabil Killiny

Dr. Nabil Killiny

Associate Professor - Plant Pathology

(863) 956 - 8833 | nabilkilliny@ufl.edu

Dr. Killiny's research interests focus on the biology of pathogen-vector interfaces.

Dr. Amit Levy

Dr. Amit Levy

Associate Professor - Plant Pathology

(863) 956 - 8704 | amitlevy@ufl.edu

Dr. Levy's general area of interest is the biology of pathogen-host interactions. One of the lab's research focuses is the biology and molecular characteristics of Citrus tristeza virus (CTV) infection.

Taylor O’Bannon

Taylor O’Bannon

State Specialized Extension - Agent, Food Safety

(352) 354 - 5006 | taylorlangford@ufl.edu

Taylor's current extension interests include microbial food safety emphasizing the safety of fresh fruits and vegetables. Taylor’s extension program includes teaching programs related to FSMA, HACCP, GAPs and other specialized food safety programs.

Dr. Ahmad Omar

Dr. Ahmad Omar

Research Assistant Scientist - Horticulture Science/Plant Biotechnology

(863) 956 - 8678 | omar71@ufl.edu

Dr. Omar's research focuses on citrus scion and rootstock improvement and understands disease resistance mechanism for citrus canker and HLB (Huanglongbing or citrus greening).

Dr. Arnold Schumann

Dr. Arnold Schumann

Professor - Soil, Water, and Ecosystem Sciences

(863) 956 - 8855 | schumaw@ufl.edu

Dr. Shumann's program emphasis is to identify soil spatial variability, its causes, and impacts on the environment, citrus growth, nutrition and yield.

 Dr. Ariel Singerman

Dr. Ariel Singerman

Associate Professor - Agricultural Economics

(863) 956 - 8870 | singerman@ufl.edu

Dr. Singerman is currently working on analyzing the economic feasibility of management strategies aimed at mitigating risks and improving productivity and profitability in agricultural production.

Dr. Kirsten Pelz-Stelinski

Dr. Kirsten Pelz-Stelinski

Mid-Florida Research & Education Center Center Director and Professor 

(407) 884 - 2034 | pelzstelinski@ufl.edu

Dr. Pelz-Stelinski's research program focuses on the biology and microbial ecology of insect vectors of plant diseases.

Dr. Lukasz Stelinski

Dr. Lukasz Stelinski

Professor - Entomology and Nematology

(863) 956-8851 | stelinski@ufl.edu

Dr. Stelinski's research focuses on development of integrated management strategies for insect pest control in citrus.

Dr. Christopher Vincent

Dr. Christopher Vincent

Associate Professor - Horticultural Sciences

(863) 956 - 8757 | civince@ufl.edu

Dr. Vincent's program emphasis is to serve Florida perennial fruit crop producers with production methods and biological understanding to improve productivity of citrus crops and additional crops and cropping systems in the traditional citrus region.

Dr. Nian Wang

Dr. Nian Wang

Mr. and Mrs. J. R. (Rip) Graves Eminent Scholar Endowed Chair in Biotechnology

 (863) 956 - 8828 | nianwang@ufl.edu

Dr. Wang's program emphasis is molecular genetics and functional genomics of plant-bacteria interactions and methods to control citrus diseases caused by Citrus Greening and Citrus Canker.

Dr. Yu Wang

Dr. Yu Wang

Associate Professor - Food Science

(863) 956 - 8673 | yu.wang@ufl.edu

Dr. Wang's research focuses on food chemistry and quality, emphasizing the flavor (aroma and taste) of fruits, herbs and other agricultural commodities.