HSA | Soils and Sustainability
Adjuvant Selection and Efficacy for Soybeans (Glycine max) Utilizing the 2,4-D Choline Technology in Western Kentucky Final
Academic Level at Time of Presentation
Sophomore
Major
Chemistry
Minor
Biology
List all Project Mentors & Advisor(s)
Dr. Megan Taylor
Presentation Format
Poster Presentation
Abstract/Description
Adjuvant Selection and Efficacy for Soybeans (Glycine max) Utilizing the 2,4-D Choline Technology in Western Kentucky
Chris Powell,Gracey Moffitt, Blake Kennedy, and Megan Taylor
Abstract
Adjuvant selection for post emergent herbicide applications in soybeans is important to improve efficacy of products and overall control. Adjuvants can change the efficacy of herbicides through the droplet size, reduction of drift, penetration, water conditioning, and solubility. Selecting the correct adjuvant with the correct herbicide is key to proper weed control, especially for hard to control and resistant weeds. Problematic weeds in crop production continue to limit yields and reduce effectiveness of the farmer. The success of the post emergent application of herbicide in soybeans is crucial to deterring and slowing succession of weed populations. Dicamba and 2,4-D choline are important active ingredients for post application in soybeans. Both of these chemistries tend to move off target and can drift, so the mixing of AMS is not recommended with these products. However, AMS could improve the efficacy of other products within the herbicide solution. This could increase adoption and application of herbicides that could control problematic and resistant weed populations. This study looked at the application and efficacy of methylated seed oil (MSO), liquid ammonium sulfate (AMS), and pre-mix combinations of AMS and MSO. The study was set up as a randomized complete block design and replicated at the Hutson Farm and the Pullen Farm located in Murray, Kentucky. AMS, MSO, and combinations of these adjuvants were tank mixed with 2,4-D choline and clethodim. Then subsequent weed control was monitored for 21 days following the application of these treatments. Data collected included the weeds controlled by each treatment, the effect on the soybeans, control of volunteer corn,and yield for each plot. Preliminary results from greenhouse studies indicated that there was increased synergism and control of volunteer corn when AMS and MSO adjuvants were utilized in the tank mix.
Keywords: Adjuvants, 2,4-D Choline, Clethodim, Soybeans (Glycine max)
Fall Scholars Week 2023 Event
Soils and Sustainability
Adjuvant Selection and Efficacy for Soybeans (Glycine max) Utilizing the 2,4-D Choline Technology in Western Kentucky Final
Adjuvant Selection and Efficacy for Soybeans (Glycine max) Utilizing the 2,4-D Choline Technology in Western Kentucky
Chris Powell,Gracey Moffitt, Blake Kennedy, and Megan Taylor
Abstract
Adjuvant selection for post emergent herbicide applications in soybeans is important to improve efficacy of products and overall control. Adjuvants can change the efficacy of herbicides through the droplet size, reduction of drift, penetration, water conditioning, and solubility. Selecting the correct adjuvant with the correct herbicide is key to proper weed control, especially for hard to control and resistant weeds. Problematic weeds in crop production continue to limit yields and reduce effectiveness of the farmer. The success of the post emergent application of herbicide in soybeans is crucial to deterring and slowing succession of weed populations. Dicamba and 2,4-D choline are important active ingredients for post application in soybeans. Both of these chemistries tend to move off target and can drift, so the mixing of AMS is not recommended with these products. However, AMS could improve the efficacy of other products within the herbicide solution. This could increase adoption and application of herbicides that could control problematic and resistant weed populations. This study looked at the application and efficacy of methylated seed oil (MSO), liquid ammonium sulfate (AMS), and pre-mix combinations of AMS and MSO. The study was set up as a randomized complete block design and replicated at the Hutson Farm and the Pullen Farm located in Murray, Kentucky. AMS, MSO, and combinations of these adjuvants were tank mixed with 2,4-D choline and clethodim. Then subsequent weed control was monitored for 21 days following the application of these treatments. Data collected included the weeds controlled by each treatment, the effect on the soybeans, control of volunteer corn,and yield for each plot. Preliminary results from greenhouse studies indicated that there was increased synergism and control of volunteer corn when AMS and MSO adjuvants were utilized in the tank mix.
Keywords: Adjuvants, 2,4-D Choline, Clethodim, Soybeans (Glycine max)