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Extension

2024 Grain Sorghum Performance Trials

Trial Objectives and Procedures 

Performance trials for hybrid grain sorghum are conducted by Oklahoma State University Extension each year. These trials provide producers, Extension educators, industry representatives and researchers with information about grain sorghum hybrids marketed in Oklahoma. Performance trials were planted at eight locations in 2024. All emerged and had decent early season growth. However, due to dry conditions at planting, the Homestead location was terminated. Trials at Chickasha, McCaull and Goodwell were irrigated using overhead sprinkler irrigation Yields presented in this document are for the early, medium and late-maturity hybrids for all locations. Most cultivars were grown at all locations.The location at Fairfax wasconducted with a cooperator who had previously grown wheat, and the sorghum trial was planted as a double-crop system.

 

Grain sorghum hybrid trial entries were assigned by companies to their respective maturity groups: early represented less than 60 days to mid-bloom (DMB), medium was 60 to 70 DMB,and late was > than 70 DMB). If a cultivar was exactly 60 or 70 DMB, previous years' data was used to determine which maturitythe cultivarfell into.Companies designated all hybrid characteristics, which are presented in Table 1. This information was not determined or verified by Oklahoma State University. Company participation was voluntary, so not all hybrids marketed in Oklahoma were included in the trials.

 

In 2024, 35 hybrids were entered by five seed compa-nies.For the hybrid performance trials, each maturity group was tested independently with individual hybrids being arranged in a randomized complete block design and having a minimum of four replications. All locations were two row plots with 30-inch spacing and 35 feet in length. Plots were trimmed to 25 feet prior to harvest. Tractor-powered cone planters were used to plant all trials with seeding rates adjusted for the trial location. Trials were harvested with a Kincaid model 8XP plot combine.

 

Planting densities, cooperating producers, cultural practices, soil series, herbicides and insecticides used in all trials are listed individually in result tables. Rainfall data from the nearest Mesonet sites are also listed. Some trials are long distances from the nearest Mesonet site; therefore, rainfall could be greater or less than reported.

 

Soil fertility practices will be discussed for each individual location following their yield tables. All applications were made in accordance with OSU Extension's Service best management practices. Soil samples were collected in the winter and early spring prior to planting and submitted to submitted to OSU's Soil, Water and Forage Analytical Laboratory for analysis. All N, P and K applications were made based on these results. Nitrogen applications were made based on a 120 bu/ac yield goal with the exception of Goodwell and McCaull, which were made based on a 150 bu/ac yield goal. At all research station sites, soil pH is managed to besuitablefor grain sorghum production. Locations on grower’s fields are not as controlled; however, all locations this seasonwere withinreasonablelimits (5.5-7.5).

 

Due to the degree of variability between the sites in the study and grower’s fields around the state, discussions regarding the growing conditions will be made prior to each individual location.

 

 

Results 

Grain yields are reported in pounds per acre and bushels per acre of threshed grain, adjusted to a moisture content of 14% (Tables 2 through 21). Test weight is also reported in pounds per bushel. Different plant populations at each location prevent accurate comparison between locations. Also, comparisons across maturity were not conducted as they were treated as independent trials. Producers should note that late-maturing hybrids, due to longer periods of vegetative and early reproductive growth, will generally yield more than early and medium maturity hybrids. However, the availability of moisture at critical crop development stages often influences yield more than the yield differences associated with maturity groups. When choosing a maturity group, the type of cropping system, planting date, planting rate and potential moisture should be taken into consideration. For more information, consult Fact Sheet PSS-2034 Grain Sorghum Planting Rates and Dates and Fact Sheet PSS-2113 Grain Sorghum Production Calendar.

 

Least significant difference (LSD) is a statistical test of yield differences and is shown at the bottom of each table. Unless two hybrids differ by at least the LSD shown, little confidence can be placed in one hybrid being superior to another, and the difference is probably not real.

 

The Coefficient of Variation (CV) is provided as an estimate of the precision of the data with respect to the mean for that location and maturity group. To provide some indication of yield stability, multi-year means for yields and test weights are provided where trials have been conducted for more than one year with more than three entries per maturity group. Producers interested in comparing hybrids for consistency of yield in a specific area should consult these entries. Models with CV's greater than 25 have not been included in this report.

 

 

Acknowledgements 

The financial support of the participating companies and the Oklahoma Sorghum Commission is gratefully acknowledged, as well as the efforts and resources provided by producer cooperators Brook Strader and Brandon Keeler. The authors are also grateful for research support from Michael Pettijohn of SCREC, Mike Schulz of SWREC, Cameron Murley of OPREC, Ted Newell of MVRS and Kenneth Watkins of CVRS. We are also grateful for the help of County Agricultural Educators: Martha Keasler (Tillman County), Shelby Robertson (Major County), Hannah Hough (Tulsa County) and Kelly Burrows (Grady County), who gave generously of their time to this project in 2024.

 

Map of Oklahoma showing the Mesonet Average Maximum Air Temperature, with the state outline and counties marked by grey lines. The entire state is shaded in yellow-orange, indicating that the average air temperature for April 2024 ranged between 70 and 80 degrees.

 

Figure 1. Average maximum air temperature for April 2024.

 

Map of Oklahoma showing the Mesonet Average Maximum Air Temperature, with the state outline and counties marked by grey lines. The entire state is shaded in orange-deep orange, indicating that the average air temperature for May 2024 ranged between 75 and 90 degrees.

 

Figure 2. Average maximum air temperature for May 2024.

 

Map of Oklahoma showing the Mesonet Average Maximum Air Temperature, with the state outline and counties marked by grey lines. The entire state is shaded in red and deep-red, indicating that the average air temperature for June 2024 ranged between 85 and 100 degrees.

 

Figure 3. Average maximum air temperature for June 2024.

 

Map of Oklahoma showing the Mesonet Average Maximum Air Temperature, with the state outline and counties marked by grey lines. The entire state is shaded in red and deep-red, indicating that the average air temperature for July 2024 ranged between 88 and 100 degrees.

 

Figure 4. Average maximum air temperature for July 2024.

 

Map of Oklahoma showing the Mesonet Average Maximum Air Temperature, with the state outline and counties marked by grey lines. The entire state is shaded in deep-red and maroon, indicating that the average air temperature for August 2024 ranged between 90 and 100 degrees.

 

Figure 5. Average maximum air temperature for August 2024.

 

Map of Oklahoma showing the Mesonet Average Maximum Air Temperature, with the state outline and counties marked by grey lines. The entire state is shaded in bright red and orange, indicating that the average air temperature for September 2024 ranged between 80 and 95 degrees.

 

Figure 6. Average maximum air temperature for September 2024.

 

Map of Oklahoma showing the Mesonet Average Maximum Air Temperature, with the state outline and counties marked by grey lines. The entire state is shaded in golden-yellow and orange, indicating that the average air temperature for October 2024 ranged between 75 and 90 degrees.

 

Figure 7. Average maximum air temperature for October 2024.

 

Map of Oklahoma showing the Mesonet Average Maximum Air Temperature, with the state outline and counties marked by grey lines. The entire state is shaded in a gradient yellow and red, indicating that the average air temperature for November 2024 ranged between 5 and 10 degrees departure from October 2024.

 

Figure 8. Departure from average temperature for October 2024.

 

Mesonet data on the departure from average rainfall for April 2024. The state of Oklahoma is divided into each county in different shades of oranges, green, and grey. The eastern half of the state was wetter than normal with up to 6.82 inches over normal in the south central part of the state. Portions of the panhandle had up to -1.61 inches average rainfall.

 

Figure 9. Departure for average rainfall from April 2024.

 

Mesonet data on the departure from average rainfall for May 2024. The state of Oklahoma is divided into each county in a different shade of brown, orange, and grey. A few counties are green and red in the south eastern regions with up to -4.18 inches below average. Portions of the panhandle had typical rainfall up to -1.18 below average.

 

Figure 10. Departure for average rainfall from May 2024.

 

Mesonet data on the departure from average rainfall for June 2024. The state of Oklahoma is divided into each county in a different shade of orange, green, and red. The counties in the western region are red with up to -3.52 below average. Portions of the panhandle are dark green with 6.86 over average.

 

Figure 11. Departure from average rainfall for June 2024.

 

Mesonet data on the departure from average rainfall for July 2024. The state of Oklahoma is divided into each county with mostly shades of grey, light, green, and red.  A few counties in the northeastern region are red with up to -2.91 inches below average. Portions of the panhandle had typical rainfall up to -1.08 below average.

 

Figure 12. Departure from average rainfall for July 2024.

 

Mesonet data on the departure from average rainfall for August 2024. The state of Oklahoma is divided into each county with shades of green, red, and orange. A few counties in the northeastern region are red with up to -2.63 inches below average. A portion of the eastern region is dark green with up to 5.83 inches over average. Another portion, in the south central and south eastern region are red with up to 3.95 inches over average. Portions of the panhandle had typical rainfall up to 1.12 above average.

 

Figure 13. Departure from average rainfall for August 2024.

 

Mesonet data on the departure from average rainfall for September 2024. The state of Oklahoma is divided into each county with predominately red and orange shades. Most of the state is a shade of red with a few counties in the northeastern region are red with up to -4.01 inches below average. The panhandle is green with up to 1.07 above average.

 

Figure 14. Departure from average rainfall for September 2024.

 

Mesonet data on the departure from average rainfall for October 2024. The state of Oklahoma is divided into each county with shades of red and orange covering most the state. The south eastern region is darkest red and gradually lightens going into the panhandle. The south eastern region had up to -4.50 below average rainfall. The panhandle had up to -1.59 below average.

 

Figure 15. Departure from average rainfall for October 2024.

 

Table 1: Sorghum cultivars used in the 2024 Oklahoma sorghum performance trials along with associated company and agronomic information.
Company Hybrid Maturity Seed Color DMB
Advanta ADV G1329 Early Cream 58
Advanta ADV G2106 Medium Red 62
Advanta ADV G2168IG Medium Red 66
Advanta ADV G 2193IG Medium Red 68
Advanta ADV G 3127 Medium Red 68
Dekalb DKS 28-07 Early Bronze 57
Dekalb DKS 33-07 Medium Bronze 62
Dekalb DKS 36-07 Medium Bronze 62
Dekalb DKS 44-07 Medium Red 67
Dekalb DKS 50-07 Medium Red 69
Dekalb DKS 54-07 Late Red 72
Kauffman Seed 5563 Early Bronze 56
Kauffman Seed 5583 Early Bronze 58
Kauffman Seed 5482 Early Bronze 58
Kauffman Seed 5603 Medium Red 60
Kauffman Seed 5643 Medium Bronze 64
Kauffman Seed 5710 Medium Bronze 64
Kauffman Seed 5653IG Medium Red 65
Kauffman Seed 5730 Medium Red 69
Kauffman Seed GS203X Medium Red 69
Dyna-Gro M54GR24 Early Red 54
Dyna-Gro M59GB57 Early Bronze 59
Dyna-Gro M59GB94 Early Bronze 59
Dyna-Gro GX24991 Early Red 59
Dyna-Gro M60GB31 Medium Bronze 60
Dyna-Gro M60GB88 Medium Bronze 60
Dyna-Gro M63GB78 Medium Bronze 63
Dyna-Gro M67GB87 Medium Bronze 67
Dyna-Gro M66GR32 Medium Red 66
Dyna-Gro M62GC36 Medium Bronze 62
Dyna-Gro M62GC23 Medium Cream 62
Dyna-Gro M71GR91 Late Red 71
Dyna-Gro M72GB71 Late Bronze 72
Dyna-Gro M70GR37 Late Red 70
Sorghum Partners SP 43M80 Early Bronze 60
Sorghum Partners SP 66M16 Medium Bronze 66
Sorghum Partners SP7715 Late Bronze 70

 

Chickasha 

The Chickasha location experienced a relatively normal year. Early excessive moisture did not allow for tilling and smoothing of the field until much later than intended. The trial was planted well outside the typical planting period for either early season or late season production. A flush of weeds during the late vegetative period through the early reproductive period did require addressing. Since there were primarily grasses, they have to be physically removed through hand weeding. Compared to normal years, the incidents of wildlife (both deer and bird) damage was relatively low, which resulted in better yields and more consistent yields throughout the trial. Additionally, no further insect pests were noted throughout the year, so no insecticides were applied this season. Above average heat and continued dry conditions led to a more rapid dry-down than normal, which resulted in a week or two earlier harvest than expected. It was thought that this might have decreased yields, but yields were still average to above-average for this location. A decrease in test weight was seen, especially for the early and several of the medium cultivars. While the later hybrids also had lower test weights than we would like to see, they were consistently higher than either the early or medium maturity cultivars.

 

Cooperator: Michael Pettijohn
Tillage Practice: Conventional tilled
Soil Series: Dale Silt Loam
Seeding rate: 55,000 seeds/ac
Herbicide: Preemergence 1.6 qt/ac Charger Max ATZ + 32oz glyphosate/ac
Fertilizer: N- 140 lbs/ac
Planting Date: May 24
Harvest Date: Sept. 9

 

Table 2: Early maturity sorghum hybrids (<60 days until mid-bloom) at the South Central Research Station near Chickasha location in 2024.
Company  Cultivar  Yield lbs/ac  Yield Percent of Trial Average  Moisture %  Test Weight lbs/bu 
Advanta ADV G1329 5401 97.7 10.4 51.5
Dekalb DKS 28-07 6768 122.4 9.9 50.8
Kauffman Seeds 5563 5928 107.2 10.9 52.4
Kauffman Seeds 5583 4600 83.2 10.4 52.2
Dyna-Gro M54GR24 5238 94.8 11.0 52.2
Dyna-Gro M59GB57 5876 106.3 10.6 51.7
Dyna-Gro M59GB94 5085 92.0 10.8 54.4
Dyna-Gro GX24991 5461 98.8 10.5 52.2
Sorghum Partners SP 43M80 5389 97.5 11.5 53.7
Mean   5527.2   10.7 52.4
CV   12.4      
LSD   704.8      

 

Table 3: Medium maturity sorghum hybrids (60-70 days until mid-bloom) at the South Central Research Station near Chickasha location in 2024.
Company  Cultivar  Yield lbs/ac  Yield Percent of Trial Average  Moisture %  Test Weight lbs/bu 
Advanta ADV G2106 4610 93.5 12.7 52.4
Advanta ADV G2168IG 5465 110.8 12.8 59.9
Advanta ADV G2193IG 4586 93.0 12.9 62.0
Advanta ADV G3127 5434 110.1 13.6 55.1
Dekalb DKS 33-07 4614 93.5 13.2 56.4
Dekalb DKS 36-07 4273 86.6 12.6 57.4
Dekalb DKS 44-07 4843 98.2 13.0 56.7
Dekalb DKS 50-07 5450 110.5 13.5 55.6
Kauffman Seed 5603 4509 91.4 14.1 53.1
Kauffman Seed 5643 5060 102.6 13.0 59.9
Kauffman Seed 5710 5804 117.6 12.5 52.7
Kauffman Seed 5653IG 4447 90.1 13.4 52.9
Kauffman Seed GS203X 5608 113.7 12.4 56.1
Dyna-Gro M60GB31 5219 105.8 13.0 54.8
Dyna-Gro M60GB88 4389 89.0 12.9 52.9
Dyna-Gro M63GB78 5199 105.4 13.0 54.7
Dyna-Gro M67GB87 4864 98.6 13.2 50.2
Dyna-Gro M66GR32 4506 91.3 13.7 52.9
Dyna-Gro M62GC36 4665 94.6 12.6 54.7
Dyna-Gro M62GC23 4650 94.3 11.9 52.2
Sorghum Partners SP 66M16 5404 109.5 13.2 53.8
Mean   4933.1   13.0 55.1
CV   15.4      
LSD   409.2      

 

Table 4: Late maturity sorghum hybrids (>70 days until mid-bloom) at the South Central Research Station near Chickasha location in 2024.
Company  Cultivar  Yield lbs/ac  Yield Percent of Trial Average  Moisture %  Test Weight lbs/bu 
Dekalb DKS 54-07 6960 100.1 12.1 57.3
Dyna-Gro M71GR91 7400 106.5 9.1 55.8
Dyna-Gro M72GB71 6945 99.9 11.7 55.6
Dyna-Gro M70GR37 6923 99.6 11.9 55.1
Sorghum Partners SP7715 6520 93.8 11.4 61.0
Mean   6949.6   11.3 56.9
CV   6.7      
LSD   592.3      

 

 

Tipton

This trial was planted into terminated wheat residue; therefore, a slight delay was experienced compared to other growers in the area. Between the pre-plant herbicide program and the wheat residue, very few weeds were present early on. Additionally, due to higher moisture and wheat residue, early growth was slower and more delayed than normal. Smaller broadleaves and some sandburs were present later in the season; however, this was beyond typical herbicide application windows, so these were managed with hand weeding. There was virtually no impact from insects throughout the season, so no insecticides were applied. Because of earlier planting and higher than normal temperatures, harvest was earlier than normal (one to two weeks earlier than expected). Due to the dryland system and relatively delayed early-season growth, yields were much lower than typical for this location. However, these yields were not lower than the average yields experienced by dryland producers in the region.

 

Cooperator: Mike Schultz
Tillage Practice: No-till into wheat residue
Soil Series: Tipton Loam
Seeding rate: 55,000 seeds/ac
Herbicide: Preemergence 1.6 qt/ac Charger Max ATZ + 32oz glyphosate/ac
Fertilizer: N- 140 lbs/ac
Planting Date: April 22
Harvest Date: Aug. 13

 

Table 5: Early maturity sorghum hybrids (<60 days until mid-bloom) at the Tipton Valley Research Station near Tipton location in 2024.
Company Cultivar Yield lbs/ac Yield Percent of Trial Average Moisture
%
Test Weight lbs/bu
Advanta ADV G1329 2834 116.0 13.1 52.4
Dekalb DKS 28-07 2458 100.6 11.1 56.5
Kauffman Seeds 5563 2708 110.8 11.9 56.5
Kauffman Seeds 5583 2541 104.0 12.5 57.5
Dyna-Gro M54GR24 2110 86.4 10.8 57.4
Dyna-Gro M59GB57 2575 105.4 10.8 56.9
Dyna-Gro M59GB94 2124 86.9 16.2 58.0
Dyna-Gro GX24991 2566 105.0 12.1 59.2
Sorghum Partners SP 43M80 2073 84.8 15.5 60.1
Mean   2443.1   12.7 57.2
CV   10.7      
LSD   374.8      

 

Table 6: Medium maturity sorghum hybrids (60-70 days until mid-bloom) at the Tipton Valley Research Station near Tipton location in 2024.
Company Cultivar Yield lbs/ac Yield Percent of Trial Average Moisture
%
Test Weight lbs/bu
Advanta ADV G2106 1959 111.5 10.4 50.7
Advanta ADV G2168IG 2145 122.1 9.7 42.7
Advanta ADV G 2193IG 2366 134.7 11.9 44.3
Advanta ADV G 3127 1686 96.0 12.6 45.4
Dekalb DKS 33-07 2726 155.2 11.4 52.3
Dekalb DKS 36-07 1936 110.2 13.6 46.7
Dekalb DKS 44-07 1513 86.1 16.4 43.1
Dekalb DKS 50-07 1484 84.4 12.7 46.5
Kauffman Seed 5603 2296 130.7 12.1 51.9
Kauffman Seed 5643 1713 97.5 12.9 50.4
Kauffman Seed 5710 1348 76.7 13.5 51.0
Kauffman Seed 5653IG 2051 116.7 9.3 46.2
Kauffman Seed GS203X 659 37.5 17.1 43.7
Dyna-Gro M60GB31 1734 98.7 11.5 56.1
Dyna-Gro M60GB88 2081 118.5 10.9 44.3
Dyna-Gro M63GB78 2086 118.7 14.8 49.3
Dyna-Gro M67GB87 1521 86.6 14.6 48.6
Dyna-Gro M66GR32 1119 63.7 14.9 43.1
Dyna-Gro M62GC36 1421 80.9 12.1 46.1
Dyna-Gro M62GC23 2079 118.3 10.6 54.0
Sorghum Partners SP 66M16 978 55.6 14.9 47.5
Mean   1757   12.8 47.8
CV   19.8      
LSD   645.9      

 

Table 7: Late maturity sorghum hybrids (>70 days until mid-bloom) at the Tipton Valley Research Station near Tipton location in 2024.
Company Cultivar Yield lbs/ac Yield Percent of Trial Average Moisture
%
Test Weight lbs/bu
Dekalb DKS 54-07 504 42.9 11.1 44.8
Dyna-Gro M71GR91 1318 112.2 12.7 54.2
Dyna-Gro M72GB71 1023 87.1 11.5 48.9
Dyna-Gro M70GR37 1181 100.6 12.7 57.4
Sorghum Partners SP7715 1846 157.3 9.8 60.7
Mean   1174   11.6 53.2
CV   27.4      
LSD   301.7      

 

 

Perkins 

The Perkins location was at the Cimarron Valley Research Station near Perkins, Oklahoma. The previous crop was a mix of soybean agronomic trials from the previous year; however, none had a significant impact on trial variability. The trial was planted into a tilled field. The field was tilled the previous winter, which allowed the crop to be planted early. Drier conditions following planting resulted in the pre-plant herbicide program not activating efficiently, which resulted in several weeds early in the production season. These were a mix of broadleaf and grassy weeds; therefore, they were managed twice in-season by hand weeding practices. A small flare up of sorghum aphids were noted, but this population crashed prior to an insecticide application. A larger outbreak of chinch bugs was experienced during post flowering through early grain fill. Unlike normal, these were not present in lower canopy or collar regions but on the flag leaf and in the panicle. These were managed through a Lambda-cyhalothrin application (as Besiege®). Similar to other locations, dry late-season conditions resulted in quicker dry-down conditions. This can be seen by the lower-than-average test weight.

 

Cooperator: Kenneth Watkins
Tillage Practice: Conventional
Soil Series: Teller Fine Sandy Loam
Seeding rate: 55,000 seeds/ac
Herbicide: Preemergence 1.6 qt/ac Charger Max ATZ + 32oz glyphosate/ac
Insecticide: 10 oz/ac Besiege applied post-flowering for chinch bugs in the head and upper canopy
Fertilizer: N- 140 lbs/ac; P- 60 lbs/ac; K- 60 lbs/ac
Planting Date: May 3
Harvest Date: Sept. 8

 

Table 8: Early maturity sorghum hybrids (<60 days until mid-bloom) at the Cimarron Research Station near Perkins location in 2024.
Company Cultivar Yield lbs/ac Yield Percent of Trial Average Moisture
%
Test Weight lbs/bu
Advanta ADV G1329 4143 88.9 12.1 54.2
Dekalb DKS 28-07 5055 108.5 12.7 56.0
Kauffman Seeds 5563 4119 88.4 11.7 51.2
Kauffman Seeds 5583 4546 97.5 12.9 56.3
Dyna-Gro M54GR24 4098 87.9 13.7 60.1
Dyna-Gro M59GB57 4318 92.6 12.0 53.5
Dyna-Gro M59GB94 5803 124.5 15.8 62.3
Dyna-Gro GX24991 5039 108.1 12.7 56.0
Sorghum Partners SP 43M80 4825 103.5 14.8 60.2
Mean   4660.6   13.1 56.6
CV   16.1      
LSD   675.8      

 

Table 9: Medium maturity sorghum hybrids (60-70 days until mid-bloom) at the Cimarron Research Station near Perkins location in 2024.
Company Cultivar Yield lbs/ac Yield Percent of Trial Average Moisture
%
Test Weight lbs/bu
Advanta ADV G2106 4602.0 88.7 12.5 51.1
Advanta ADV G2168IG 4458.8 85.9 12.6 49.7
Advanta ADV G 2193IG 4046.3 78.0 13.0 47.9
Advanta ADV G 3127 5270.0 101.5 13.6 52.7
Dekalb DKS 33-07 4597.5 88.6 14.7 51.7
Dekalb DKS 36-07 5343.8 103.0 14.5 54.7
Dekalb DKS 44-07 6422.5 123.7 14.6 53.6
Dekalb DKS 50-07 5955.0 114.7 14.7 55.5
Kauffman Seed 5603 4597.5 88.6 11.7 51.1
Kauffman Seed 5643 5788.8 111.5 14.3 53.4
Kauffman Seed 5710 6021.3 116.0 12.5 52.8
Kauffman Seed 5653IG 5038.8 97.1 12.6 52.4
Kauffman Seed GS203X 6267.5 120.8 15.1 54.5
Dyna-Gro M60GB31 4896.3 94.3 12.7 53.4
Dyna-Gro M60GB88 4528.8 87.3 12.9 51.5
Dyna-Gro M63GB78 4820.0 92.9 13.8 53.3
Dyna-Gro M67GB87 5240.0 101.0 14.9 52.4
Dyna-Gro M66GR32 6065.0 116.9 15.3 55.2
Dyna-Gro M62GC36 5316.3 102.4 14.1 53.9
Dyna-Gro M62GC23 5078.8 97.9 13.0 51.0
Sorghum Partners SP 66M16 4636.3 89.3 14.1 53.7
Mean   5190.0   13.7 52.6
CV   12.8      
LSD   471.5      

 

Table 10: Late maturity sorghum hybrids (>70 days until mid-bloom) at the Cimarron Research Station near Perkins location in 2024.
Company Cultivar Yield lbs/ac Yield Percent of Trial Average Moisture
%
Test Weight lbs/bu
Dekalb DKS 54-07 6314 100.5 14.1 56.6
Dyna-Gro M71GR91 6538 104.1 14.4 56.3
Dyna-Gro M72GB71 6128 97.6 13.8 56.7
Dyna-Gro M70GR37 6713 106.9 14.1 55.7
Sorghum Partners SP7715 5713 91.0 12.5 51.4
Mean   6280.9   13.8 55.3
CV   12.2      
LSD   714.7      

 

 

Bixby 

The Bixby location is the program’s only eastern Oklahoma location, which often has more stable temperatures and consistent rainfall patterns. This allows for a different look at cultivar performance under these conditions. In 2024, Bixby was not exempt from hot and dry conditions; however, the location experienced substantially higher temperatures and lower in-season precipitation than normal for this location. Early excessive moisture early lead to limited ability to till the ground early and apply a preplant herbicide program. Therefore, this was applied at planting. The dry conditions that followed limited efficacy of this program. This location is noted for having heavy pigweed and grass pressure. Grasses were not an issue throughout the growing season with only minor issues of a patch of Bermudagrass located in the early maturing cultivars in the third replication. This was managed through physical removal but did cause slight reductions in yields and increased variability. However, since the pressure was consistent across the early cultivars, this replication was maintained for analysis. The major weed of the location was pigweed. These were managed with an application of Huskie and physical removal.

 

No major insect issues were noted during the course of the season. While this location can be irrigated, no irrigation was applied due to mechanical issues with the irrigation pump; therefore, this should be considered a completely dryland trial in 2024. No significant diseases were present throughout the season. Recent research has also shown that N applications do not have to be as high at this location as it often follows several years of soybean.

 

Cooperator: Ted Newell
Tillage Practice: Conventional
Soil Series: Wynona Silty Clay Loam
Seeding rate: 55,000 seeds/ac
Herbicide: Preemergence 1.6 qt/ac Charger Max ATZ + 32oz glyphosate/ac 16 oz/ac Huskie at 5-leaf stage
Fertilizer: N/A
Planting Date: May 29
Harvest Date: Sept. 26

 

Table 11: Early maturity sorghum hybrids (<60 days until mid-bloom) at the Mingo Valley Research Station near the Bixby location in 2024.
Company Cultivar Yield lbs/ac Yield Percent of Trial Average Moisture
%
Test Weight lbs/bu
Advanta ADV G1329 4008 94.9 14.2 53.2
Dekalb DKS 28-07 4639 109.9 12.5 49.1
Kauffman Seeds 5563 3971 94.0 13.2 52.5
Kauffman Seeds 5583 3838 90.9 14.1 53.6
Dyna-Gro M54GR24 4660 110.3 16.2 52.1
Dyna-Gro M59GB57 4251 100.7 15.4 49.5
Dyna-Gro M59GB94 4234 100.3 16.7 49.8
Dyna-Gro GX24991 3744 88.7 14.9 47.2
Sorghum Partners SP 43M80 4665 110.5 18.1 50.0
Mean Mean 4223   15.0 50.8
CV CV 8.6      
LSD LSD 493      

 

Table 12: Medium maturity sorghum hybrids (60-70 days until mid-bloom) at the Mingo Valley Research Station near the Bixby location in 2024.
Company Cultivar Yield
lbs/ac
Yield Percent of Trial
Average
Moisture
%
Test Weight
lbs/bu
Advanta ADV G2106 5320 86.3 13.1 51.5
Advanta ADV G2168IG 5794 94.0 13.7 54.0
Advanta ADV G 2193IG 5981 97.1 13.1 53.5
Advanta ADV G 3127 4998 81.1 14.8 47.1
Dekalb DKS 33-07 5000 81.2 12.7 54.6
Dekalb DKS 36-07 6299 102.2 13.4 53.4
Dekalb DKS 44-07 7729 125.5 13.6 57.5
Dekalb DKS 50-07 7576 123.0 14.3 58.6
Kauffman Seed 5603 4396 71.4 11.5 52.3
Kauffman Seed 5643 6909 112.1 13.9 54.8
Kauffman Seed 5710 7761 126.0 12.3 53.6
Kauffman Seed 5653IG 5599 90.9 13.5 53.2
Kauffman Seed GS203X 7989 129.7 15.1 57.9
Dyna-Gro M60GB31 5914 96.0 13.3 55.6
Dyna-Gro M60GB88 6061 98.4 12.3 53.1
Dyna-Gro M63GB78 5790 94.0 14.4 54.1
Dyna-Gro M67GB87 6499 105.5 14.3 54.8
Dyna-Gro M66GR32 7795 126.5 14.8 58.4
Dyna-Gro M62GC36 6091 98.9 14.5 56.0
Dyna-Gro M62GC23 5060 82.1 11.5 50.4
Sorghum Partners SP 66M16 4821 78.3 16.6 54.0
Mean Mean 6161   13.6 54.2
CV CV 15.7      
LSD LSD 993      

 

Table 13: Late maturity sorghum hybrids (>70 days until mid-bloom) at the Mingo Valley Research Station near the Bixby location in 2024.
Company Cultivar Yield lbs/ac Percent of Trial Average Moisture
%
Test Weight lbs/bu
Dekalb DKS 54-07 5879 102.5 17.4 56.7
Dyna-Gro M71GR91 5573 97.2 16.0 56.2
Dyna-Gro M72GB71 5588 97.5 16.9 56.0
Dyna-Gro M70GR37 6490 113.2 16.3 56.7
Sorghum Partners SP7715 5141 89.7 13.9 54.4
Mean Mean 5734   16.1 56.0
CV CV 10.4      
LSD LSD 668      

 

 

Fairfax

This trial was on a grower field (Brandon Keeler) north of Fairfax. This trial was planted following wheat harvest, making it a double-cropping system. A traditional preplant herbicide system was sprayed. A rainfall within a week after application and planting resulted in high efficacy of the program. Weeds were not a problem in the trial throughout the season. Pressure from both sorghum aphid and chinch bugs were present during the growing season but did not persist long enough for an application to be made for either. This location was the most impacted by the hot and dry conditions during the late-summer and early-fall period. Harvest of the crop was nearly one month earlier than it should have been. While yields were not much lower than to be expected with double-crop production in dryland systems, yields were lower than expected in-season as well as lower test weights. Statistical analysis was not conducted on the medium-maturity cultivars due to the high amount of variability associated with the trial. This was primarily due to deer predation on the fourth replication of the trial.

 

Cooperator: Brandon Keeler
Tillage Practice: No-till behind wheat (double-crop)
Soil Series: Norge silt loam/Wynona silty clay loam
Seeding rate: 55,000 seeds/ac
Herbicide: Preemeregence: 1.6 qt/ac Charger Max ATZ+32 oz/ac glyphosate
Fertilizer: N/A
Planting Date: June 12
Harvest Date: Oct. 10

 

Table 14: Early maturity sorghum hybrids (<60 days until mid-bloom) near the Fairfax location 2024.
Company Cultivar Yield lbs/ac Yield Percent of Trial Average Moisture
%
Test Weight lbs/bu
Advanta ADV G1329 879 75.6 11.3 53.3
Dekalb DKS 28-07 1761 151.6 11.2 51.3
Kauffman Seeds 5563 1145 98.5 10.7 50.5
Kauffman Seeds 5583 1093 94.0 11.6 46.3
Dyna-Gro M54GR24 1050 90.4 11.4 50.5
Dyna-Gro M59GB57 1468 126.3 11.2 50.8
Dyna-Gro M59GB94 1145 98.5 12.9 48.7
Dyna-Gro GX24991 1168 100.5 12.4 44.2
Sorghum Partners SP 43M80 750 64.5 12.1 51.4
Mean   1161.9   11.6 49.7
CV   17.4      
LSD   487.9      

 

Table 15: Medium maturity sorghum hybrids (60-70 days until mid-bloom) near the Fairfax location 2024.
Company Cultivar Yield
lbs/ac
Yield Percent of
Trial Average
Moisture
%
Test Weight
lbs/bu
Company Cultivar Yield
lbs/ac
Yield Percent of
Trial Average
Moisture
%
Test Weight
lbs/bu
Advanta ADV G2106 959 51.5 11.3 49.2
Advanta ADV G2168IG 438 23.5 8.7 49.9
Advanta ADV G 2193IG 969 52.1 9.4 55.4
Advanta ADV G 3127 1051 56.5 10.8 54.2
Dekalb DKS 33-07 1180 63.4 8.3 57.8
Dekalb DKS 36-07 1355 72.8 15.9 52.2
Dekalb DKS 44-07 2230 119.9 13.4 56.2
Dekalb DKS 50-07 3021 162.4 13.4 58.1
Kauffman Seed 5603 1428 76.7 14.3 53.7
Kauffman Seed 5643 2493 134.0 11.7 48.1
Kauffman Seed 5710 3841 206.5 13.8 50.1
Kauffman Seed 5653IG 1720 92.5 13.8 45.0
Kauffman Seed GS203X 3006 161.6 14.0 52.8
Dyna-Gro M60GB31 3413 183.4 12.4 56.8
Dyna-Gro M60GB88 1913 102.8 13.7 54.5
Dyna-Gro M63GB78 1953 105.0 12.5 53.8
Dyna-Gro M67GB87 2354 126.5 13.0 52.8
Dyna-Gro M66GR32 1825 98.1 17.0 49.4
Dyna-Gro M62GC36 1888 101.5 13.5 57.6
Dyna-Gro M62GC23 1354 72.8 9.0 52.8
Sorghum Partners SP 66M16 681 36.6 13.0 43.1
Mean   1860.4   12.5 52.5
CV   29.7      
LSD   Not shown due to high amount of variability      

 

Table 16: Late maturity sorghum hybrids (>70 days until mid-bloom) near the Fairfax location 2024.
Company Cultivar Yield
lbs/ac
Yield Percent of
Trial Average
Moisture
%
Test Weight
lbs/bu
Dekalb DKS 54-07 1606 80.8 17.2 48.8
Dyna-Gro M71GR91 2521 126.8 14.3 55.5
Dyna-Gro M72GB71 1969 99.0 14.5 47.8
Dyna-Gro M70GR37 2285 114.9 13.3 54.2
Sorghum Partners SP7715 1561 78.5 15.6 53.3
Mean   1988.5   15.0 51.9
CV   12.4      
LSD   301.7      

 

 

Goodwell 

The Goodwell location was at the Oklahoma Panhandle Research and Extension Center and was under an overhead sprinkler irrigation system. The trial was strip tilled into the previous year’s wheat crop. The trial was fertilized through the strip-till unit. The location had adequate moisture before planting as well as good moisture following; therefore, emergence was not an issue, and an adequate stand was achieved. A major storm hit the trial at the early vegetative stage. The primary issues with this storm were excess rainfall and hail. This did damage to the plants, but they fully recovered prior to the grand growth period. Adequate weed control was done throughout the season using hand-weeding techniques. A minor sorghum aphid outbreak occurred in the sorghum surrounding the trial but was never in the trial. Therefore, no insecticide applications were applied. The two panhandle locations were the only trials that did not suffer the impacts of the hot and dry conditions. This was primarily due to the abundance of moisture experienced throughout the primary production season. Harvest was several weeks earlier than expected, primarily due to hotter-than-average conditions through late September and most of October. However, compared to the other downstate locations, these conditions did not seem to negatively impact yields or test weights.

 

Cooperator: Cameron Murley
Tillage Practice: Strip-tilled into wheat residue
Soil Series: Gruver Clay Loam
Target Population: 55,000 seeds/ac
Fertilizer: 200 lbs N/ac, 65 lbs P/ac
Planting Date: May 21
Harvest Date: Oct. 31

 

Table 17: Early maturity sorghum hybrids (<60 days until mid-bloom) at the Oklahoma Panhandle Research and Extension Center near the Goodwell location in 2024.
Company Cultivar Yield
lbs/ac
Yield Percent of
Trial Average
Moisture
%
Test Weight
lbs/bu
Advanta ADV G1329 879 75.6 11.3 53.3
Dekalb DKS 28-07 1761 151.6 11.2 51.3
Kauffman Seeds 5563 1145 98.5 10.7 50.5
Kauffman Seeds 5583 1093 94.0 11.6 46.3
Dyna-Gro M54GR24 1050 90.4 11.4 50.5
Dyna-Gro M59GB57 1468 126.3 11.2 50.8
Dyna-Gro M59GB94 1145 98.5 12.9 48.7
Dyna-Gro GX24991 1168 100.5 12.4 44.2
Sorghum Partners SP 43M80 750 64.5 12.1 51.4
Mean   1161.9   11.6 49.7
CV   17.4      
LSD   487.9      

 

Table 18: Medium maturity sorghum hybrids (60-70 days until mid-bloom) at the Oklahoma Panhandle Research and Extension Center near the Goodwell location in 2024.
Company Cultivar Yield lbs/ac Yield Percent of Trial Average Moisture
%
Test Weight lbs/bu
Advanta ADV G2106 7285 94.2 10.0 65.3
Advanta ADV G2168IG 6983 90.3 12.0 59.8
Advanta ADV G 2193IG 6155 79.6 9.8 65.1
Advanta ADV G 3127 8132 105.1 11.8 68.2
Dekalb DKS 33-07 7558 97.7 10.9 68.8
Dekalb DKS 36-07 6169 79.8 7.8 58.3
Dekalb DKS 44-07 8409 108.7 12.5 60.3
Dekalb DKS 50-07 7828 101.2 12.1 58.9
Kauffman Seed 5603 9405 121.6 10.8 65.6
Kauffman Seed 5643 6332 81.9 13.3 64.4
Kauffman Seed 5710 9725 125.7 11.9 63.1
Kauffman Seed 5653IG 8439 109.1 11.6 65.3
Kauffman Seed GS203X 7504 97.0 11.7 58.6
Dyna-Gro M60GB31 6467 83.6 10.8 64.3
Dyna-Gro M60GB88 6034 78.0 7.3 50.9
Dyna-Gro M63GB78 7855 101.6 11.7 57.7
Dyna-Gro M67GB87 9536 123.3 12.0 64.6
Dyna-Gro M66GR32 7520 97.2 10.9 59.8
Dyna-Gro M62GC36 7278 94.1 12.0 57.8
Dyna-Gro M62GC23 7819 101.1 10.3 59.1
Sorghum Partners SP 66M16 9985 129.1 11.3 61.7
Mean   7734.2   11.1 61.8
CV   10.8      
LSD   911.5      

 

Table 19: Late maturity sorghum hybrids (>70 days until mid-bloom) at the Oklahoma Panhandle Research and Extension Center near the Goodwell location in 2024.
Company Cultivar Yield lbs/ac Yield Percent of Trial Average Moisture
%
Test Weight lbs/bu
Dekalb DKS 54-07 6761 98.8 10.6 60.1
Dyna-Gro M71GR91 7393 108.0 10.9 61.1
Dyna-Gro M72GB71 7554 110.4 10.3 60.2
Dyna-Gro M70GR37 7543 110.2 7.5 55.9
Sorghum Partners SP7715 4971 72.6 9.4 60.7
Mean   6844.3   9.7 59.6
CV   16.4      
LSD   1089.6      

 

 

McCaull 

The trial location was at the McCaull Research and Demonstration Farm near Elkhart, Kansas. The trial was strip-tilled into previous wheat crop residue. All fertilizer was applied in the strip. The trial was irrigated with overhead sprinkler irrigation and was on the inner irrigation spans of a quarter acre pivot with the outer spans planted to corn. With rainfall and irrigation applied before planting, soil moisture at planting was more than adequate. This resulted in very good stands shortly after planting. However, with the associated moisture, early flushes of weeds were present. These were primarily bindweed mixed with sporadic pigweeds. Due to periodic moisture and rapid early growth, auxin herbicide could not occur. These had to be controlled through manual removal. Irrigation and timely rainfall limited stress throughout the season. Similar to other locations, hotter-than-average conditions resulted in more rapid dry-down. However, yields and test weights were not impacted by these conditions. No insect or disease pressure was experienced throughout the trial period.

 

Cooperator: Cameron Murley
Tillage Practice: Strip-tilled into wheat residue
Soil Series: Gruver Clay Loam
Target Population: 55,000 seeds/ac
Fertilizer: 200 lbs N/ac; 65 lbs P/ac
Planting Date: May 22
Harvest Date: Oct. 30

 

 

Table 20: Early maturity sorghum hybrids (<60 days until mid-bloom) at the McCaull Research and Demonstration Farm near Eva in 2024.
Company Cultivar Yield
lbs/ac
Yield Percent of
Trial Average
Moisture
%
Test Weight
lbs/bu
Advanta ADV G1329 7616 106.2 12.0 55.5
Dekalb DKS 28-07 7166 100.0 11.2 54.7
Kauffman Seeds 5563 7989 111.4 12.2 56.6
Kauffman Seeds 5583 7454 104.0 11.7 56.7
Dyna-Gro M54GR24 5053 70.5 11.9 56.5
Dyna-Gro M59GB57 7600 106.0 11.4 56.3
Dyna-Gro M59GB94 9060 126.4 12.2 58.5
Dyna-Gro GX24991 8651 120.7 11.7 57.3
Sorghum Partners SP 43M80 6968 97.2 12.5 54.7
Mean   7168.6   11.8 59.3
CV   14.4      
LSD   805.6      

 

Table 21: Medium maturity sorghum hybrids (60-70 days until mid-bloom) at the McCaull Research and Demonstration Farm near Eva in 2024.
Company Cultivar Yield lbs/ac Yield Percent of Trial Average Moisture
%
Test Weight lbs/bu
Advanta ADV G2106 9413 92.5 11.8 58.8
Advanta ADV G2168IG 9138 89.8 12.1 56.2
Advanta ADV G 2193IG 8698 85.5 11.8 58.5
Advanta ADV G 3127 10433 102.6 12.4 59.5
Dekalb DKS 33-07 9724 95.6 12.3 60.4
Dekalb DKS 36-07 10034 98.7 12.5 60.2
Dekalb DKS 44-07 12514 123.0 12.4 61.4
Dekalb DKS 50-07 11481 112.9 12.6 60.9
Kauffman Seed 5603 8608 84.6 11.9 58.7
Kauffman Seed 5643 11311 111.2 12.4 58.7
Kauffman Seed 5710 11208 110.2 12.0 58.2
Kauffman Seed 5653IG 8908 87.6 11.9 56.6
Kauffman Seed GS203X 11883 116.8 12.5 59.7
Dyna-Gro M60GB31 10108 99.4 12.2 59.2
Dyna-Gro M60GB88 8941 87.9 11.6 57.2
Dyna-Gro M63GB78 10660 104.8 12.5 59.6
Dyna-Gro M67GB87 9980 98.1 12.5 57.9
Dyna-Gro M66GR32 10339 101.7 12.5 61.1
Dyna-Gro M62GC36 10636 104.6 12.6 60.8
Dyna-Gro M62GC23 9445 92.9 12.1 58.3
Sorghum Partners SP 66M16 10130 99.6 12.1 58.4
Mean   10170.8   12.2 59.0
CV   10.8      
LSD   1045.7      

 

Table 22: Late maturity sorghum hybrids (>70 days until mid-bloom) at the McCaull Research and Demonstration Farm near Eva in 2024.
Company Cultivar Yield
lbs/ac
Yield Percent of
Trial Average
Moisture
%
Test Weight
lbs/bu
Dekalb DKS 54-07 11639 106.2 13.4 60.2
Dyna-Gro M71GR91 11714 106.9 13.3 62.4
Dyna-Gro M72GB71 10953 100.0 13.0 61.2
Dyna-Gro M70GR37 12631 115.3 13.1 61.5
Sorghum Partners SP7715 7839 71.6 11.2 53.1
Mean   10955   12.8 59.7
CV   16.8      
LSD   1179.8      

 

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