Soybean Variety Tests in Tennessee 2025
Experimental Procedures
Interpretation of Data
Results
Table 1. Total number of entries within each herbicide tolerance trait class and maturity group
Figure 1. Temperature and precipitation by location
Location Information
Table 2. REC location information
Table 3. CST location information
Table 4. Variety Characteristics
Table 5. Abbreviations for Biotech Traits
Table 6. Seed Company Contact Information
Summary
Table 7. Summary of “A group” varieties within REC and CST tests
Maturity Group III
Table 8. MG-3 Yield, Agronomic, and Quality Data across REC Locations
Table 9. MG-3 Yield Data by REC Location
Maturity Group IV Early (4.0-4.5) Enlist
Table 10. MG-4E E3 Yield, Agronomic, and Quality Data across REC Locations
Table 11. MG-4E E3 Yield Data by REC Location
Table 12. MG-4E E3 Across and by CST Locations
Table 13. MG-4E E3 Varieties Common to both REC and CST Tests
Table 14. MG-4E E3 CST Disease Tests
Maturity Group IV Early (4.0-4.5) XtendFlex
Table 15. MG-4E XF Yield, Agronomic, and Quality Data across REC Locations
Table 16. MG-4E XF Yield Data by REC Location
Table 17. MG-4E XF Across and by CST Locations
Table 18. MG-4E XF Varieties Common to both REC and CST Tests
Table 19. MG-4E XF CST Disease Tests
Maturity Group IV Late (4.6-4.9) Enlist
Table 20. MG-4L E3 Yield, Agronomic, and Quality Data across REC Locations
Table 21. MG-4L E3 Yield Data by REC Location
Maturity Group IV Late (4.6-4.9) XtendFlex
Table 22. MG-4L XF Yield, Agronomic, and Quality Data across REC Locations
Table 23. MG-4L XF Yield Data by REC Location
Table 24. MG-4L XF Across and by CST Locations
Table 25. MG-4L XF Varieties Common to both REC and CST Tests
Table 26. MG-4L XF CST Disease Tests
Appendix A (available online only)
Knoxville, TN (East TN AgResearch and Education Center)
Table A-1. Mean yields and agronomic data from MG-3
Table A-2. Mean yields and agronomic data from MG-4E E3
Table A-3. Mean yields and agronomic data from MG-4E XF
Table A-4. Mean yields and agronomic data from MG-4L E3
Table A-5. Mean yields and agronomic data from MG-4L XF
Greeneville, TN (Northeast TN AgResearch and Education Center)
Table A-6. Mean yields and agronomic data from MG-3
Table A-7. Mean yields and agronomic data from MG-4E E3
Table A-8. Mean yields and agronomic data from MG-4E XF
Table A-9. Mean yields and agronomic data from MG-4L E3
Table A-10. Mean yields and agronomic data from MG-4L XF
Springfield, TN – Irrigated (Highland Rim AgResearch and Education Center)
Table A-11. Mean yields and agronomic data from MG-3
Table A-12. Mean yields and agronomic data from MG-4E E3
Table A-13. Mean yields and agronomic data from MG-4E XF
Table A-14. Mean yields and agronomic data from MG-4L E3
Table A-15. Mean yields and agronomic data from MG-4L XF
Springfield, TN – Non-Irrigated (Highland Rim AgResearch and Education Center)
Table A-16. Mean yields and agronomic data from MG-3
Table A-17. Mean yields and agronomic data from MG-4E E3
Table A-18. Mean yields and agronomic data from MG-4E XF
Table A-19. Mean yields and agronomic data from MG-4L E3
Table A-20. Mean yields and agronomic data from MG-4L XF
Spring Hill, TN (Middle TN AgResearch and Education Center)
Table A-21. Mean yields and agronomic data from MG-3
Table A-22. Mean yields and agronomic data from MG-4E E3
Table A-23. Mean yields and agronomic data from MG-4E XF
Table A-24. Mean yields and agronomic data from MG-4L E3
Table A-25. Mean yields and agronomic data from MG-4L XF
Milan, TN – Irrigated (Milan AgResearch and Education Center)
Table A-26. Mean yields and agronomic data from MG-3
Table A-27. Mean yields and agronomic data from MG-4E E3
Table A-28. Mean yields and agronomic data from MG-4E XF
Table A-29. Mean yields and agronomic data from MG-4L E3
Table A-30. Mean yields and agronomic data from MG-4L XF
Milan, TN – Non-Irrigated (Milan AgResearch and Education Center)
Table A-31. Mean yields and agronomic data from MG-3
Table A-32. Mean yields and agronomic data from MG-4E E3
Table A-33. Mean yields and agronomic data from MG-4E XF
Table A-34. Mean yields and agronomic data from MG-4L E3
Table A-35. Mean yields and agronomic data from MG-4L XF
Jackson, TN (West TN AgResearch and Education Center)
Table A-36. Mean yields and agronomic data from MG-3
Table A-37. Mean yields and agronomic data from MG-4E E3
Table A-38. Mean yields and agronomic data from MG-4E XF
Virginia Sykes, Associate Professor, Variety Testing Coordinator and Agroecology Specialist
Ryan Blair, Extension Area Specialist, Grain Crops & Cotton
Heather Kelly, Associate Professor, Field Crops Plant Pathology Specialist
Andrew Lawson, Research Associate, Variety Testing and Agroecology
Isaac Mirahki, Postdoctoral Research Associate, Variety Testing and Agroecology
Bailey Lugo, Graduate Research Assistant, Variety Testing and Agroecology
Vince Pantalone, Professor, Soybean Breeding and Genetics
Jake McNeal, Assistant Professor, Corn and Soybean Specialist
Agronomic Crop Variety Testing and Demonstrations
Department of Plant Sciences
Institute of Agriculture
The University of Tennessee
Telephone: (865) 974-7285
email: vsykes@utk.edu
Acknowledgments
This research was funded by the Tennessee Agricultural Experiment Station and UT Extension with partial funding from participating companies and the Tennessee Soybean Promotion Board.
We gratefully acknowledge the assistance of the following individuals in conducting these experiments:
AgResearch and Education Centers:
Northeast Tennessee AgResearch and Education Center (Greeneville, TN)
Justin L. McKinney, Research Center Director
Trey Clark, Research Associate
East Tennessee AgResearch and Education Center (Knoxville, TN)
Ethan Parker, Director
BJ DeLozier, Farm Manager
Cory Yurisic, Research Associate
Highland Rim AgResearch and Education Center (Springfield, TN)
Robert Ellis, Director
Brad S. Fisher, Research Associate
Middle Tennessee AgResearch and Education Center (Spring Hill, TN)
Kevin Thompson, Director
Joe David Plunk, Research Associate
AgResearch and Education Center at Milan (Milan, TN)
Blake Brown, Center Director
Joey Duncan, Research Associate
Michael Wesley, Research Associate
West Tennessee AgResearch and Education Center (Jackson, TN)
Scott Stewart, Center Director
Randi Dunagan, Research Associate
Kacey Cannon, Research Associate
Andrew Wood, Research Coordinator
Additionally, we are grateful for the continued support of our county standard tests which would not be possible without the dedication of the many county extension agents and cooperators who contribute to these results (for a full list of extension agents and cooperators, see table 3).