Latest Update
November 25 – Results are now available for the Cullman County on-farm corn trial.
Previous Updates
November 13 – Quality results are available for the SMREC OVT.
October 28 – Yield results are available for the following trials.
- SMREC Non-Irrigated OVT
- Houston County On-Farm
October 16 – Disease ratings (southern corn leaf blight), compliments of Dr. Austin Hagan, are now available for the following OVT trials in the variety selection tool only. Look under the ratings tab on the trials page, location summaries, or South Region summaries.
- GCREC Non-Irrigated
- GCREC Irrigated
- BARU
October 10 – The following corn results are available.
- OVT Grain Quality Results
- Black Belt Research and Extension Center (BBREC) in Marion Junction
- Non-Irrigated
- Tennessee Valley Research and Extension Center (TVREC) in Belle Mina
- Irrigated
- Black Belt Research and Extension Center (BBREC) in Marion Junction
- On-Farm Results
- Elmore County, AL
- Franklin County, AL
September 30 – The following corn results are available.
- OVT Grain Yield Results
- Black Belt Research and Extension Center (BBREC) in Marion Junction
- Non-Irrigated
- Black Belt Research and Extension Center (BBREC) in Marion Junction
- On-Farm Results
- Escambia County, AL
September 25 – The following corn results are available.
- OVT Grain Quality Results (Crude Protein, Starch, Moisture, Fiber, Ash, Fat – Variety selection tool only)
- Gulf Coast Research and Extension Center (GCREC) in Fairhope
- Irrigated
- Non-Irrigated
- Gulf Coast Research and Extension Center (GCREC) in Fairhope
- On-Farm Results
- Walker County, AL
September 18 – The following corn OVT results are available.
- Grain Quality Results (Crude Protein, Starch, Moisture, Fiber, Ash, Fat – Variety selection tool only)
- Brewton Agricultural Research Unit (BARU) in Brewton
- Non-Irrigated
- Prattville Agricultural Research Unit (PARU) in Prattville
- Irrigated
- Brewton Agricultural Research Unit (BARU) in Brewton
September 12 – The following corn OVT results are available.
- Yield Results
- Brewton Agricultural Research Unit (BARU) in Brewton
- Non-Irrigated
- Prattville Agricultural Research Unit (PARU) in Prattville
- Non-Irrigated
- Irrigated
- Tennessee Valley Research and Extension Center (TVREC) in Belle Mina
- Irrigated
- Brewton Agricultural Research Unit (BARU) in Brewton
- Grain Quality Results (Crude Protein, Starch, Moisture, Fiber, Ash, Fat – Variety selection tool only)
- Wiregrass Research and Extension Center (WREC) in Headland
- Irrigated
- Non-Irrigated
- Prattville Agricultural Research Unit (PARU) in Prattville
- Non-Irrigated
- Wiregrass Research and Extension Center (WREC) in Headland
- Summary tables (variety selection tool only) have been added to include trials that are currently available. Tables will update as the last locations are added.
- Summaries (variety selection tool only) have been added for refuge (non-BT) corn hybrids
August 29 – The following corn OVT results are available.
- Tennessee Valley Research and Extension Center (TVREC) in Belle Mina
- Non-Irrigated yields updated
- Non-Irrigated Quality
- Crude Protein, Starch, Moisture, Fiber, Ash, Fat
- Results are from NIR
- Click the quality tab on the trial page or select the data fields to include in analytics
- Variety selection tool only
- Gulf Coast Research and Extension Center (GCREC) in Farihope
- Irrigated and Non-Irrigated
- Trial management is updated for all reported trials
August 26 – The first set of corn OVT results for the 2025 season is now available.
- Wiregrass Research and Extension Center (WREC) in Headland
- Irrigated
- Non-Irrigated
- Note: This is the first year for the Non-Irrigated OVT
- Tennessee Valley Research and Extension Center (TVREC) in Belle Mina
- Non-Irrigated – Test Weight & Management
- Note: Due to field variation, yield results were analyzed using spatial analysis prior to mean comparison. As a result, variation was reduced, making differences by variety detectable.
- Non-Irrigated – Test Weight & Management
Statewide Summary Tables
Top Yield Group Summary – Top Yield Group for hybrids across all locations. Some hybrids are not in every trial.
Varieties that were tested in all three regions. If a variety was not tested in all three regions, it has been excluded from these summary tables.
Hybrids for Refuge
This season, there were seven non-BT, Roundup Ready hybrids in the corn OVTs. Below are links to view a comparison of these seven side by side.
North Region
Summary Tables
North Region – Varieties that were tested in all the north region trials. This consists of one irrigated and two non-irrigated trials.
North Region Irrigated – There is only one irrigated trial in the North Region. See the TVREC irrigated trial below.
North Region Non-Irrigated – TVREC & SMREC non-irrigated trials combined.
Refuge
Tennessee Valley Research & Extension Center (TVREC)
-Irrigated-
-Non-Irrigated-
Note: Due to field variation, yield results were analyzed using spatial analysis prior to mean comparison. As a result, variation was reduced, making differences by variety detectable.
Sand Mountain Research & Extension Center (SMREC)
Cullman County On-Farm
Franklin County On-Farm
Walker County On-Farm
Central Region
Summary Tables
Central Region – Varieties that were tested in all central region trials. This consists of one irrigated and three non-irrigated trials.
Central Region Irrigated – There is only one irrigated trial in the Central Region. See the PARU irrigated trial below.
Central Region Non-Irrigated – PARU, EVSRC, & BBREC non-irrigated trials combined.
Prattville Agricultural Research Unit (PARU)
PARU Summary – Both trials had similar rankings of yield and test weight. Generally, if a variety was above average in one trial, it was above average in the other.
PARU Refuge – Both trials combined showing only non-BT, Roundup Ready hybrids.
-Irrigated-
-Non-Irrigated-
Black Belt Research & Extension Center (BBREC)
EV Smith Research Center (EVSRC)
-Non-Irrigated-
Trial Page
Weather & Trial Management
Location Summary
Refuge Summary
Elmore County On-Farm
South Region
Summary Tables
South Region – Varieties that were tested in all four South Region trials. This consists of two irrigated and two non-irrigated trials.
South Region Irrigated – GCREC & WREC irrigated trials combined.
South Region Non-Irrigated – BARU, WREC, & GCREC non-irrigated trials combined.
Wiregrass Research & Extension Center (WREC)
WREC Summary – Both trials averaged together. There are some varieties that appeared in the top yield group across both the irrigated and non-irrigated trials.
WREC Refuge – Both trials combined, showing only non-BT, Roundup Ready hybrids.
-Irrigated-
-Non-Irrigated-
(New trial for 2025)
Brewton Agricultural Research Unit (BARU)
-Non-Irrigated-
Due to a mechanical combine malfunction, some plot data was omitted from the analysis. As a result, all 4 replications of every hybrid could not be reported. For transparency, the number of replications for each hybrid is listed.
Gulf Coast Research & Extension Center (GCREC)
GCREC Summary – Both trials had similar rankings of yield and test weight. Generally, if a variety was above average in one trial, it was above average in the other.
GCREC Refuge – Both trials combined showing only non-BT, Roundup Ready hybrids.
-Irrigated-
-Non-Irrigated-