Theses and Dissertations

Issuing Body

Mississippi State University

Advisor

Reynolds, Daniel B.

Committee Member

Irby, J. Trenton

Committee Member

Bond, Jason A.

Committee Member

Tseng, Te-Ming Paul

Date of Degree

8-10-2018

Original embargo terms

MSU Only Indefinitely

Document Type

Graduate Thesis - Campus Access Only

Major

Plant and Soil Sciences (Weed Science)

Degree Name

Master of Science

College

College of Agriculture and Life Sciences

Department

Department of Plant and Soil Sciences

Abstract

Off-target deposition of herbicides to non-target plant species has been extensively studied and well documented over time. Off-target movement can often be detrimental to plant growth and yield. The geography of Mississippi is favorable for off-target herbicide deposition due to many crops existing in close proximity to differing crops such as soybeans (Glycine max L.) and rice (Oryza sativa L.). Therefore, research was conducted in each of three locations in Mississippi in 2016 and 2017 to determine if enhanced ALS-tolerant soybeans could be used to mitigate off-target deposition of rice herbicides penoxsulam and bispyribac-sodium. Results indicate that this technology (specifically BOLT soybean) can be utilized if herbicide residue is below 1/16X of the full labeled rate and is not deposited at V3 or early reproductive growth stages (R1-R4).

URI

https://hdl.handle.net/11668/19810

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