Updates by Date
December 19 – Additional fungicide, nematicide, and disease results are available from Dr. Hagan and Dr. Sikora.
December 10 – Results are available for the Macon County/EVSRC On-Farm trial.
December 6 – Results are available for the Henry & Pike County On-Farm Trials.
December 5 – Results from Dr. Austin Hagan’s fungicide screening trial at the BARU are available.
November 15 – Results are available for the Colbert County On-Farm trial.
October 28 – Yields from the following on-farm trials are available.
- Cullman County
- Geneva County – Birdsong
- Geneva County – Parker
- Marshall County
October 15 – Yields from the Perry County on-farm trial (Central Region) are available in the variety selection tool.
September 18
- Corn OVT results are complete!
- Results are available for the non-irrigated OVT at the Sand Mountain Research and Extension Center (SMREC) in Crossville.
- North Region summary tables are updated to include SMREC.
- Statewide summary tables are available.
September 11
- Results for the non-irrigated OVT conducted at the EV Smith Research Center (EVSRC) are available. Due to field variation caused by a large wet area in the field, results reported are from 2 of the 4 replications.
- Central Region summary tables are updated to include the EVSRC OVT.
September 4
- Results are available for the irrigated and non-irrigated OVTs conducted at the Tennessee Valley Research and Extension Center (TVREC) in Belle Mina.
- Central Region summary tables have been updated.
- North Region summaries are available. Note: The SMREC trial has not been harvested yet. The tables will automatically update when the SMREC results are uploaded.
- Management and Weather are available for the OVT conducted at the EV Smith Research Center (EVSRC).
August 29 – Results are available for the non-irrigated corn OVT conducted at the Brewton Agricultural Research Unit (BARU).
South Region summary tables are available.
August 28 – Results are available for the non-irrigated corn OVT conducted at the Black Belt Research and Extension Center (BBREC) in Marion Junction.
August 21 – Results are available for the irrigated & non-irrigated corn OVTs conducted at the Gulf Coast Research and Extension Center (GCREC) in Fairhope.
August 13 – Results are available for the irrigated & non-irrigated corn OVTs conducted at the Prattville Agricultural Research Unit (PARU) in Prattville.
August 12 – Results are available for the irrigated corn OVT conducted at the Wiregrass Research and Extension Center (WREC) in Headland. This is a new location for the 2024 season.
Statewide Summary Tables
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.
Fungicide, Nematicide, and Disease Studies - Dr. Hagan & Dr. Sikora
The following results are provided by Dr. Austin Hagan and Dr. Ed Sikora and are available in PDF format only.
GCREC Fungicide Screening – Regional
GCREC Fungicide Screening – National Corn Fungicide Screening
North Region
Summary Tables
North Region – Varieties that were tested in all 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.
Tennessee Valley Research & Extension Center (TVREC)
Yield differences between irrigated and non-irrigated trials at the TVREC were noteworthy. With 6.5 inches of irrigation, irrigated yields were approximately 2.5 times greater than non-irrigated.
Additionally, three varieties were in the top yield group for both trials.
-Irrigated-
image of TVREC irrigated corn weather graph
-Non-Irrigated-
Sand Mountain Research & Extension Center (SMREC)
-Non-Irrigated-
– Precipitation amounts recorded from the weather station are not accurate due to a weather station malfunction. Season total rainfall was over 19 inches.
Cullman County On-Farm
Colbert County On-Farm
Marshall 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)
-Irrigated-
-Non-Irrigated-
Black Belt Research & Extension Center (BBREC)
-Non-Irrigated-
Drought conditions: The season’s total rainfall was 19.42 inches, with 5.48 inches received May 13-14. Following the May 16th potassium side-dress application, there was a 0.68-inch rain on May 17th. From May 18th, before reproductive growth to harvest, the trial received 8.32 inches of rain.
EV Smith Research Center (EVSRC)
Due to field variation caused by a large wet area in the field, results reported are from 2 of the 4 replications.
-Non-Irrigated-
Macon County On-Farm (EVSRC)
Perry 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 & GCREC non-irrigated trials combined.
Wiregrass Research & Extension Center (WREC)
Brewton Agricultural Research Unit (BARU)
Gulf Coast Research & Extension Center (GCREC)
-Irrigated-
-Non-Irrigated-