​​Detecting Dicamba & 2,4-D in Plant Tissue: What Are the Possibilities

March 2019 | 25 min., 10 sec.
by Daniel B. Reynolds
Mississippi State University

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Summary

​Reynolds reviews and presents research findings about the four main sources of off-target movement: particle drift (near drift), volatility (far drift), contaminated equipment (especially sprayer hygiene), and misapplication. In discussing equipment, Reynolds outlines the use of deactivators and the effects on growth and yield of soybean and cotton. Other topics include how concentrations are reported, what products are approved, and how air samplers are used.

About the Presenter

Daniel B. ReynoldsDaniel B. Reynolds received his bachelor’s degree in agriculture at the University of Arkansas at Monticello, his master’s degree in agronomy at the University of Arkansas at Fayetteville, and his doctorate degree in crop science at Oklahoma State University. His career has focused on the study of weeds and on the development of strategies for controlling crop pests. Reynolds is a professor and endowed chair in soybean agronomy at Mississippi State University and is currently the interim head of the Department of Plant and Soil Sciences.​

Contact Information:
Email: dreynolds@pss.msstate.edu

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