An issue was found that caused an error when importing variety names in the previously published final version of the soybean report. This has been corrected and updated in the previous post. If you already downloaded the files from 11/25, please discard and used the updated versions below.
The final reports for both the TN corn and soybean variety trials are now available! These will be posted within the next few days on search.utcrops.com and can also be found at the links below. As always, thank you to our industry partners for their participation in submitting varieties for evaluation and to the TN Soybean Promotion Board and TN Corn Promotion Board for their support of these trials.
Corn report pdf and excel files.
Our 2025 TN Corn Official Variety Trial (OVT) results are now available. These data are from our small plot trials performed at eight sites located within six of our UT AgResearch and Education Centers across the state (Jackson, Milan, Spring Hill, Springfield, Knoxville, and Greeneville).
This year, we had 40 hybrids, representing 11 brands/companies, included in the OVT. Our top performers (those not statistically different from the highest yielding hybrid within each test) are listed in the 2025 OVT Corn “A Group” Table below. The full results, including information on yield, moisture, test weight, plant and ear height, lodging, protein, oil, and starch for each hybrid within and across locations is available as an excel file download – Corn Grain Tables 2025 PRELIM – OVT ONLY.
County trial data is not included in this PRELIM report as that data is still coming in. It will be included in the FINAL report. Continue reading
Summer crop harvests are right around the corner and it’s time to start planning for winter cover crops. Cover crops offer numerous benefits, but maximizing those benefits starts with selecting species and varieties that are well suited to your region and system.
The Southern Cover Crop Variety Trial is here to help you do that. Our 2025 results are now available as a pdf or excel file, with archives of previous year’s trials available on search.utcrops.com/cover-crops. This year’s trial included 20 varieties (4 brassica, 8 cereal, and 8 legume) and 8 sites across 7 states (AL, FL, GA, KY, SC, TN, and LA).
Results from the 2024 Tennessee OVT, CST, and Disease soybean trials are now available (full report pdf, excel tables, excel appendix tables). The summary sheet below (Table 4 in the full report) lists varieties in the “A Group” (not statistically different from the highest yielding variety) in either one or both of the REC and CST trials. Listed for each variety are yield, number of years that variety has been in the A group and the percent of locations where that variety had above average yield (click the image to view larger size).
AgResearch and Education Center (REC): Eighty soybean varieties were evaluated at nine sites in small plot replicated trials . There were 8 varieties in MG3, 24 in MG4E , 40 in MG4L, and 8 in MG5 tests. Herbicide tolerance varied by entries with the majority falling into the XtendFlex (XF) or Enlist E3 categories, either with or without STS tolerance (61 entries).
County Standard Tests (CST): Forty-nine soybean varieties were evaluated in unreplicated strip trials. Trials included MG3 / MG4E XF (9 varieties at 5 locations), MG4E Enlist ( 26 varieties at 7 locations), and MG4L XF (14 varieties at 7 locations).
Disease Trials: County trials at three AgResearch and Education Center sites were evaluated for yield with and without a fungicide application. Yield as well as ratings for frogeye, target spot, brown spot, and soybean cyst nematode are reported.
Results from the 2024 Tennessee OVT and CST trials are now available in pdf or excel format. Tests were grouped by maturity into early (<114 DAP), medium (114 – 116 DAP), and full (> 116 DAP). Data were collected on yield, moisture, test weight, lodging, height, protein, oil, starch, and disease. 
AgResearch and Education Center (REC): Forty corn hybrids were evaluated at nine sites in small plot replicated trials . There were 10 hybrids in the early- (Tables 4-5), 21 hybrids in the medium- (Tables 9-10), and 9 hybrids in the full-season (Tables 14-15) tests.
County Standard Tests (CST): Twenty-seven corn hybrids were evaluated in unreplicated strip trials. Trials consisted of an early- (11 hybrids at 9 locations, Table 6), a medium- (8 hybrids at 15 locations, Table 11), and full-season test (8 hybrids at 14 locations, Table 16).
Common to both the REC and CS tests were 5 early-season, 7 medium-season, and 3 full-season hybrids (Tables 8, 13, 18). Hybrids in the “A Group” (not statistically different from the highest yielding hybrid) are listed below for each trial and test (click the image to view larger size). 
We have been busy getting corn harvested and cover crops ready for planting over here! As you start thinking about which cover crop species/varieties you’d like to try this year, take a look at the latest data from our Southern Cover Crop Variety Trial. This trial covers a broad region of the Southeast, with sites in TN, KY, AR, NC, SC, VA, AL, GA, FL, and TX.
This year we evaluated 20 varieties, including 1 brassica, 9 cereals, and 10 legumes. These included the following species, with number of varieties evaluate indicated in parentheses: daikon radish (1 ), cereal rye (2 ), oat (6 ), triticale (1), balansa clover (1), berseem clover (1), crimson clover (3), Persian clover (1), red clover (1), common vetch (1), and hairy vetch (1).
Establishment, cover crop cover and weed suppression during the growing season, and biomass, height, nitrogen release, and forage nutritive value at an early spring (pre-corn) and late spring (pre-soybean) evaluation date were evaluated for each entry. Methods used to evaluate and analyze these data and graphs of environmental conditions at each site during the cover crop growing season can be found in the 2024 Southern Cover Crop Variety Trial Report Final pdf version of the report. Result tables are listed in the pdf or as a separate download in excel.
We hope you find this data useful in your search for the best cover crop species/varieties to fit your location and your growing system!
The final version of the TN Corn Grain Hybrid Tests in TN publication is available as a pdf and excel files on search.utcrops.com. This report includes both the OVT and CST data.