Horticultural Sciences Department

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Dr. William M. Stall

Professor and Extension Horticulture Specialist
Weed Science

University of Florida
Horticultural Sciences Department
P.O. Box 110690
Gainesville FL  32611-0690

Phone: 352-392-1928
Fax: 352-392-5653

Email: wms@ifas.ufl.edu


BSA - Ohio State University 1967
MSA - University of Florida 1969
Ph.D. - University of Florida 1973


Dade County Cooperative Extension Service, Extension Agent II 1974-1980
University of Florida Associate Professor 1980-1985
University of Florida Professor 1985 - Present


FL07 - Vegetable Production, Harvesting and Handling Efficiencies in Florida
Weed Management
Integrated Pest Management


Weed Control in Vegetable Crop Production

Herbicide efficacy, phytotoxicity and interactions. Research focuses on use of herbicides in weed control systems. Tests efficacy on difficult to control weeds, crop phytotoxicity and interactions of other pesticides to action of herbicides.

Integrated Weed Management. Research focuses on integration of all methods of weed control in a production system.

Weed-Crop interactions. Research focuses on competition and interference of specific weeds in crop production systems.

IR-4 Director

North Florida IR-4 Field Research Unit - Gainesville

Carry out GLP residue and efficacy tests for tolerances of pesticides in minor crops. Unit carries out 30-40 protocols per year.