Theses and Dissertations

Nelson Corban

Issuing Body

Mississippi State University

Advisor

Bond, Jason A.

Committee Member

Golden, Bobby R.

Committee Member

Reynolds, Daniel B.

Committee Member

Bararpour, M.T.

Committee Member

Cox, Michael S.

Other Advisors or Committee Members

Hopper, George M.

Date of Degree

8-9-2019

Document Type

Graduate Thesis - Open Access

Major

Weed Science

Degree Name

Master of Science

College

College of Agriculture and Life Sciences

Department

Department of Plant and Soil Sciences

Abstract

In 2017, dicamba formulations were labeled for PRE and POST applications and utilized in soybean to control herbicide-resistant weed species. Dicamba-tolerant soybean cultivars were grown in proximity to those representing other herbicide-resistant technologies, creating the potential for problems with off-target movement. Field studies conducted in 2017 and 2018 in Stoneville, MS, characterized the soybean response to exposure to sub-lethal rates of different dicamba formulations and evaluated the performance of soybean cultivars representing different soybean maturity groups following multiple exposures to a sub-lethal rate of dicamba. Other field experiments in 2018 evaluated the performance of soybean following a single exposure to sub-lethal rates of dicamba at different growth stages (Rate and Timing Study) and characterized soybean response to multiple exposures of a sub-lethal rate of dicamba at different growth stages (Multiple Exposures Study).

URI

https://hdl.handle.net/11668/14562

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