Theses and Dissertations

Advisor

Bond, Jason

Committee Member

Allen, Thomas

Committee Member

Dodds, Darrin

Committee Member

Irby, Jon

Committee Member

Kelly, Franklin

Date of Degree

8-12-2026

Original embargo terms

Immediate Worldwide Access

Document Type

Graduate Thesis - Open Access

Major

Plant & Soil Sciences (Agronomy)

Degree Name

Master of Science (M.S.)

College

College of Agriculture and Life Sciences

Department

Department of Plant and Soil Sciences

Abstract

Research was conducted in 2024 and 2025 to evaluate soybean [Glycine max (L.) Merr.] response to residual herbicides and herbicide mixtures applied postemergence (POST) at one times (1X) and two times (2X) the label rate (Herbicide Mixture Studies) or applied at different soybean growth stages (Application Timing Studies & Sequential Application Studies). In the Herbicide Mixture Studies, group 15 herbicides were mixed with foliar applied POST (POSTfoliar) herbicides glufosinate/glyphosate plus dicamba or fomesafen plus S-metolachlor. All treatments were applied at the V2 stage of soybean growth. In the Application Timing Studies, POST-residual herbicides were mixed with glufosinate or glyphosate plus dicamba and applied at either V2, V4, V6, or V2 followed by V6 stage of soybean growth. In the Sequential Application Studies, POST-residual herbicides were mixed with glufosinate or glyphosate plus dicamba and applied at the V3 stage of soybean growth following soil-applied residual herbicides preemergence (PRE).

Sponsorship (Optional)

Mississippi Soybean Promotion Board

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