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Grain Sorghum Performance Trials in Oklahoma, 2021

Trial Objectives and Procedures

Performance trials for hybrid grain sorghum are conducted by OSU Extension each year. These trials provide producers, Extension educators, industry representatives and researchers with information for grain sorghum hybrids marketed in Oklahoma. Performance trials were conducted at nine locations in 2021. However, due to dry conditions at planting and challenges with weed control following emergence, the Alva and Gate locations were terminated. Dryland trials were planted at Adams, Chickasha, Homestead, Bixby and Tipton. All trials were planted within the time frame associated with full-season production. Additionally, two fully irrigated trials were planted, both using overhead sprinkler irrigation, at Goodwell and the McCall property near Elkhart, Kansas. Yields presented in this document are for early, medium-and late-maturity hybrids for all locations. Most cultivars are similar between all locations. The exception to this is several early and medium cultivars, which are solely marketed to the panhandle region. Therefore, a number of cultivars are present in the three panhandle locations.


Grain sorghum hybrids entered in the trial (Table 1) were assigned by companies to their respective maturity groups (early represented as <60 DMB, with late being >70 DMB). Companies designated all hybrid characteristics presented in Table 1. This information was not determined or verified by Oklahoma State University. Company participation was voluntary; therefore, not all hybrids marketed in Oklahoma were included in the trials.

 

In 2021, 57 hybrids were entered by six seed companies (Table 1). 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" 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, fertilization, cultural practices, soil series, herbicides and insecticides used in all trials are listed individually in the results tables. Rainfall data from the nearest Mesonet sites also are listed. Some trials are long distances from the nearest Mesonet site; therefore, rainfall could be greater or less than reported.

 

Growing Conditions and Season Highlights

As with the previous couple of years, the 2021 growing season was a relatively mixed bag for the state. However, this year could be considered a feast or famine year. In many parts of the downstate region, early planted sorghum had nearly ideal conditions throughout the production cycle. This led to nearly record yields at many of the variety trial locations that will be highlighted later. While drier conditions and heat in late-July through September may have taken a hit on the crop, even the later planted sorghum yielded relatively well compared to previous years. However, the panhandle region did not have as favorable conditions. This did lead to lower yield potentials or even some abandoned dryland fields throughout the region. This was, however, offset by an increased number of irrigated sorghum fields this year, which yielded relatively well. Price was the primary driver of the increased number of irrigated acres in the panhandle as well as an increase in statewide sorghum production as a whole.

 

Early season conditions for the downstate region, similar to previous years, were relatively mild to slightly cooler conditions during early April. This did delay warming of the soil to critical temperatures until the latter parts of the month. However, when soil conditions did warm, they stayed well above critical temperatures for growth throughout the remainder of the season.


This paired with growers having to rapidly plant to either miss or capture the benefit of sporadic rainfall throughout the early season meant that a large portion of early season sorghum was planted during this late April and early May time frame. However, mild conditions and good rainfall allowed growers to continue planting past this typical early May period. While this is often recommended against, it worked this season due to temperatures in June, July and August. Both June and July continued the trend of cooler and wet conditions, particularly for the downstate region. Temperatures began to warm in late July through August to more seasonable conditions. However, temperatures in September increased to well above average. Dry-down conditions were favorable for growers with sorghum maturing in August and early September, with the only issue being grain drying more rapidly than normal. Moisture started to a limited factor for the central and north central regions in August and was a major limiting factor for most summer crops during the month of September. While the double crop and later planted sorghum crop was still in the ground and reaching critical growth stages at this time, deep roots and soil profile reserves helped keep the crop only slightly water stressed until it finished out the season in late September through October.


The panhandle region benefited, similar to the downstate region, from the cooler conditions in late May and early June. With good moisture, growers started planting the crop by the third to fourth week in May through most of June. Even at the Goodwell location, where planting was delayed due to a late flush of weeds, good planting conditions were still present by the second and third week of June. However, the hotter and drier conditions reached the panhandle earlier in the season. Throughout the region, this heat and beginning moisture stress were presented throughout reproductive growth. As mentioned previously, this resulted in either lowered yield potential or abandoned fields. Additionally, due to these conditions, sorghum in this region reached maturity faster than normal and rapid dry-down was a concern. Surprisingly, test weight and seed size for the dryland trial at Adams had relatively good yields and only slightly lower test weights. However, this was not the case universally. Additionally, this location reached maturity and was harvested nearly two weeks earlier than is typical.


For the most part, pest pressure was relatively low throughout the season. Sugarcane aphids were present in the state, but treatable numbers were highly sporadic. While still not a widespread problem, headworms did reach treatable numbers for a larger portion of the state than in previous years. The major pest throughout the summer was armyworms. While these pests can be quite detrimental to sorghum, there were not as many reports of damage (especially on younger sorghum) and higher than average reports of damage on forage sorghum fields. Weeds were the primary pests of 2021. Cooler than average temperatures paired with either too much or too little precipitation resulted in weeds being a challenge to control early in the season. This was highlighted by the Alva location, which had to wait on a rain for germination but was then outcompeted by weeds following a germinating rain due to the lack of efficacy from our preplant herbicides. Similar issues were found out in the panhandle; lack of rapid early-season growth made it difficult for the crop to outcompete weeds. In many fields, by the time the crop was able to establish, a decent population of weeds were already established. This exacerbated the moisture deficient issue that was experienced in our more western production regions.


Nitrogen continues to be a challenge to manage in sorghum. A portion of sorghum fields this year were limited by available N during critical stages, especially downstate where weather was not as large of a limiting factor. While it is still expected that growers will need 1.1 to 1.2 pounds of N per bushel of grain, there is still some hesitation with applying all the N at planting due to risk of N or crop loss. Data still suggests that sorghum can be very responsive to in-season or a split application of N; however, logistics of timing and application in sorghum with timely rains during late May or early June still remains as a limitation.

 

Results

Grain yields are reported in pounds per acre and bushels per acre of threshed grain, adjusted to a moisture content of 14% (Tables 2-22). Moisture was not presented this year due to mechanical issues with the moisture meter on the combine. 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 will generally yield more than early and medium maturity hybrids due to longer periods of vegetative and early reproductive growth. The availability of moisture at critical crop development periods, however, 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, multiple-year means for yield and test weight 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 the producer-cooperators: Brook Strader, Gary Graves, Leon Richards and Kent Martin. The authors also are grateful for research support from Michael Pettijohn of SCREC, Mike Schulz of SWREC, Cameron Murley, Skeate Beck and Jeremy Brian of OPREC, and Butch Havener of MVRS. We also are grateful for the help of County Agricultural Educators: Aaron Henson (Tillman County), Troy Gosney (Major County), Gus Holland (Tulsa County), Loren Sizelove (Beaver County) and David Nowlin (Caddo County) who gave generously of their time to this project in 2021.

 

Figure 1. Average soil temperature, April 2021.

Average soil temperature, April 2021

 

 

 

Figure 2. Average soil moisture, April 2021.

Average soil moisture, April 2021

 

 

Figure 3. Average air temperature, May 2021. 

Average air tempature May 2021.

 

  

Figure 4. Departure from average monthly rainfall, July 2021. 

Departure from average monthly rainfall, July 2021.

 

  

Figure 5. Departure from average monthly rainfall, August 2021. 

Departure from average monthly rainfall, August 2021

 

 

Figure 6. Departure from average daily temperatures, September 2021.

Departure from average daily temperatures, September 2021

 

Figure 7. Average monthly rainfall, September 2021.

Average monthly rainfall, September 2021.

  

Table 1.  Seed source and hybrid characteristics of grain sorghum in the Oklahoma Grain Sorghum Performance Trials.

Company Hybrids Maturity Seed Color1 Days  to Mid-bloom Sugarcane Aphid Tolerance2
Midland Genetics MG 4590 Early Br 50 Y
Midland Genetics MG GS904 Early Br 59 Y
Midland Genetics MG 5745W Medium W 61 Y
Midland Genetics MG 5710 Medium R 65 Y
Midland Genetics MG 5730 Medium R 70 Y
Midland Genetics MG 5740 Late R 71 Y
Midland Genetics MG 5727 Late Br 72 Y
Sorghum Partners SP 25C10 Early Br 55 N
Sorghum Partners SP 43M80 Early Br 59 Y
Sorghum Partners SP68M57 Medium Br 69 Y
Sorghum Partners SWGS3183 Medium Br 65 Y
Sorghum Partners SP 74M21 Late Br 73 Y
Sorghum Partners SP7715 Late Br 72 Y
Sorghum Partners SPSA308 Late Br 72 Y
Sorghum Partners SPSC344 Late Br 72 Y
Dyna-Gro M59GB94 Early Br 59 Y
Dyna-Gro M54GR24 Early R 54 Y
Dyna-Gro M59GB57 Early Br 59 Y
Dyna-Gro M60GB31 Medium Br 60 Y
Dyna-Gro M60GB88 Medium R 69 --
Dyna-Gro XG20973 Medium Br 61 Y
Dyna-Gro M63GB78 Medium Br 63 Y
Dyna-Gro GX20998 Medium Br 66 Y
Dyna-Gro M67BG87 Medium Br 67 Y
Dyna-Gro GX20970 Late Br 71 Y
Dyna-Gro GX21965 Late Br 71 Y
Dyna-Gro M71GR91 Late R 71 Y
Dyna-Gro M72GB71 Late Br 72 Y
Alta Grain/Advanta ADV XG160 Early -- 58 --
Alta Grain/Advanta ADV XG015IG Early -- 60 --
Alta Grain/Advanta ADV XG272 Medium -- 62 --
Alta Grain/Advanta ADV G1120IG Medium -- 62 --
Alta Grain/Advanta ADV G2177IG Medium -- 64 --
Alta Grain/Advanta ADV G1153 Medium -- 63 --
Alta Grain/Advanta ADV G2106 Medium -- 61 --
Alta Grain/Advanta ADV G2165 Medium -- 66 --
Alta Grain/Advanta ADV G2168IG Medium -- 65 --
Alta Grain/Advanta ADV G2193IG Medium -- 65 --
Alta Grain/Advanta AG 1203 Medium R 63 Y
Alta Grain/Advanta ADV XG034IG Medium -- 64 --
Alta Grain/Advanta ADV G3189 Medium -- 50 --
Alta Grain/Advanta ADV XG404 Medium -- 65 --
Alta Grain/Advanta ADV XG360 Medium -- 65 --
Alta Grain/Advanta ADV G3127 Medium -- 68 --
Richardson Seed Prime Medium R 62 Y
Richardson Seed RS260e Medium R 64 Y
Richardson Seed XG 10 Medium R 63 --
Richardson Seed XG 66 Medium R 61 Y
Richardson Seed XG 59 Medium R 66 --
Richardson Seed XG 234 Medium R 65 --
Richardson Seed XG 101 Medium R 65 --
Richardson Seed RS 203 Medium R 63 --
Dekalb DKS 33-07 Medium Br 61 Y
Dekalb DKS 36-07 Medium Br 62 Y
Dekalb DKS 44-07 Medium R 67 Y
Dekalb DKS 47-07 Medium Br 68 Y
Dekalb DKS 50-07 Medium R 68 Y
   

 

  1. Seed Color: Br- Bronze; W- White; R- Red; Cr- Cream
  2. Sugarcane Aphid Tolerance - Listed by parent company

-- Indicates information is not provided

 

 

Downstate Trials

Chickasha

 

Table 2. Early hybrids (<60 DMB) at the Chickasha location.

 Hybrid

Grain Yield
lbs/ac
Test weight
lbs/bu
Population
plant/ac (x1000)
Head Count heads/plant
MG4590 4847 57.8 40.5 1.7
MG5482 5570 58.2 41.7 1.9
SP25C10 5223 59 42.6 1.6
SP43M80 4330 57.6 40.9 1.8
M59GB94 6663 58.3 42.5 2
ADVXG160 5564 59.2 43.9 1.7
ADVXG015IG 4453 58.1 40.6 1.9
         
Average 4626 8.7 55.5 29.7
CV 8.9      
LSD 0.05 622.5      

 

  

Table 3. Medium hybrids (60-70 DMB) at the Chickasha location. 

 Hybrid

Grain Yield
lbs/ac
Test weight
lbs/bu
Population
plant/ac (x1000)
Head Count heads/plant
MG 5745W 5399 58.4 41.8 2.6
MG 5710 6780 59.7 40.9 2.4
MG 5730  5317 57.5 43.7 2.5
SP68M57  5058 58.1 45.1 2.3
SWGS3183 5037 58.6 42.6 2.6
M60GB31 5329 59.3 41.8 2.4
M60GB88  5,731 57.5 43.9 2.1
XG20973  6420 59.4 38.7 2.7
M63BG78  5668 58.2 39.7 2.9
GX20998  5857 56.7 40.8 2.3
M67GB87  6125 59 41.3 2.1
ADV XG272  4963 57.8 42.5 2.5
ADV G1120IG  5318 58.6 38.5 2.9
ADV G2177IG  3616 58.2 40.6 2.3
ADV G1153  5103 59.5 41.9 2.4
ADV G2106  5047 56.8 40.8 2.5
ADV G2165  4428 57.7 42.8 2.1
ADV G2168IG  5215 56.9 44.3 2.3
ADV G2193IG  4652 57.1 41.8 2.6
AG 1203  5609 58.4 40.3 2.1
ADV XG034IG  5421 57.6 41.6 2.3
ADV G3189  6646 57.3 45.2 2.1
DKS 33-07  6063 59.8 43.6 2.5
DKS 36-07  5889 57.8 42.7 2.4
DKS 44-07  6600 60.1 41.9 2.6
DKS 47-07  5374 59.5 40.5 2.9
DKS 50-07  4796 54.9 44.5 2
         
Average  5462 58.2 42 2.4
CV     13.1      
LSD 0.05     1085      

 

 

Table 4. Late hybrids (>70 DMB) at the Chickasha location.

 Hybrid

Grain Yield
lbs/ac
Test weight
lbs/bu
Population
plant/ac (x1,000)
Head Count heads/plant
MG 5740  5380 57.4 45.6 2.3
MG 5727  4547 56.3 42.8 2.1
SP 74M21  5071 57.9 43.1 2
SP7715  5281 55.2 44.7 1.9
SPSA308  4922 56.3 46.9 1.7
SPSC344  5507 57.8 45.1 2.5
GX20970  5959 55.3 43.8 2.3
GX21965  5,366 57.1 47.1 2.1
M71GR91  4896 54.9 45.6 2.2
M72GB71  5194 56.2 44.3 2.1
         
Average  5212 56.4 44.9 2.1
CV 7.4      
LSD0.05      537      

 

  • Cooperator: Michael Pettijohn
  • Tillage Practice: Conventional
  • Soil Series: Dale Silt Loam
  • Seeding rate: 48,600 seeds/ac
  • Herbicide: 1.6 qt/ac Charger Max ® ATZ + 32oz glyphosate©/ac; 16oz Huskie ® in-season
  • Fertilizer: N- 0 lbs/ac
  • Starter Fertilizer: 5 gallons of 10-34-0 applied at planting
  • Planting Date: May 10, 2021
  • Harvest Date: August 26, 2021

 

 

Homestead

 

Table 5. Early hybrids (<60 DMB) at the Homestead location.

 Hybrid

Grain Yield
lbs/ac
Test weight
lbs/bu
Population
plant/ac (x1,000)
Head Count heads/plant
MG 4590  3858 58.9 34.2 2.6
MG 5482  5076 61.9 33.8 2.8
SP 25C10  3092 60.6 36.9 2.5
SP 43M80  4163 59.9 34.5 2.4
M59GB94  5236 62 31.7 2.9
ADV XG160  5087 61.8 36.8 2.5
ADV XG015IG  4,181 60.8 35.2 2.6
         
Average  4385 60.8 34.7 2.6
CV 17.9      
LSD0.05      524      

 

 

 Table 6. Medium hybrids (60-70 DMB) at the Homestead location.  

 Hybrid

Yield
lbs/ac
Test weight
lbs/bu
Population
plant/ac (x1,000)
Head Count heads/plant
MG 5745W  4488 57.8 36.5 2.6
MG 5710  5226 60.4 34.8 2.3
MG 5730  5629 58.1 31.7 2.4
SP68M57  4853 61.1 36.5 2.7
SWGS3183  4025 58.6 34.9 2.3
M60GB31  5217 59.3 36.3 2
M60GB88  4,417 59.9 34.7 2.6
XG20973  5088 58.1 35.2 2.9
M63BG78  4571 60.3 32.8 2.4
GX20998  5705 57.2 36.9 2.1
M67GB87  5451 61.5 38.5 2.5
ADV XG272  4552 58.4 34.1 2.1
ADV G1120IG  5541 59.3 32.8 2.8
ADV G2177IG  4463 56.9 34.9 2.6
ADV G1153  4439 57.1 30.9 2.7
ADV G2106  3439 55.2 31.4 2.5
ADV G2165  4181 58.2 37.8 2.1
ADV G2168IG  4266 59.2 35.3 2.4
ADV G2193IG  4009 55.7 33.6 2.7
AG 1203  4318 58.6 37.4 2.3
ADV XG034IG  3836 53.3 35.2 2.6
ADV G3189  6324 56.9 31.8 2.7
DKS 33-07  4654 58.7 36.1 2
DKS 36-07  6100 60.1 39.2 2.9
DKS 44-07  6226 57.9 35.4 2.2
DKS 47-07  5649 60.3 36.2 2.4
DKS 50-07  5490 60 38.1 2.6
         
Average  4895 58.4 35.1 2.4
CV      15.8      
LSD0.05    1148      

 

 

Table 7. Late hybrids (>70 DMB) at the Homestead location.

 Hybrid

Grain. Yield
lbs/ac
Test weight
lbs/bu
Population
plant/ac (x1,000)
Head Count heads/plant
MG 5740  4,214 61.5 37.8 2.4
MG 5727  5,564 60.8 39.1 2.2
SP 74M21  4,603 58.7 34.6 2.9
SP7715  4,521 59.3 40.1 2
SPSA308  4,785 56.1 36.7 2.4
SPSC344  4,642 56.5 38.9 2.1
GX20970  4,876 58.9 40.8 2
GX21965  4,785 57.6 38.4 2.3
M71GR91  4,642 60.1 36.9 2.6
M72GB71  4,876 60.9 40.5 1.9
         
Average  5193 59 38.4 2.3
CV       11.7      
LSD0.05   821      

 

  • Cooperator: Brook Strader
  • Tillage Practice: Conventionally tilled
  • Soil Series: Canadian Fine Sandy Loam
  • Seeding rate: 48,600 seeds/ac
  • Herbicide: Burndown©- 32 oz glyphosate©/ac; Pre- Charger Max® ATZ 1.6pt/ac + 32 oz glyphosate©/ac
  • Fertilizer: N- 120 lbs/ac, P- 50, K- 50
  • Planting Date: April 21, 2021
  • Harvest Date: August 30, 2021

  

 

Bixby

 

 Table 8. Early hybrids (<60 DMB) at the Bixby location. 

 Hybrid

Grain Yield
lbs/ac
Test weight
lbs/bu
Population
plant/ac (x1,000)
Head Count heads/plant
MG 4590  3,083 54.7 21.2 3.2
MG 5482  3,693 56.8 25.6 2.9
SP 43M80  3,976 58.9 24.2 3.1
M59GB94  3,223 57.4 23.6 3.3
ADV XG160  3,334 58.1 22.5 3.4
ADC XG015IG  2,215 58.6 21 3.6
         
Average  3,254 57.4 23 3.3
CV       18.6      
LSD0.05      676      

  

 

 Table 9. Medium hybrids (60-70 DMB) at the Bixby location.

 Hybrid

Grain Yield
lbs/ac
Test weight
lbs/bu
Population
plant/ac (x1,000)
Head Count heads/plant
MG 5745W  6,349 59.8 37.4 2.1
MG 5710  7,983 60.1 39.4 2.6
MG 5730  5,920 60.8 41.6 2.3
SP68M57  6,945 61.5 35.6 2.7
SWGS3183  6,619 57.4 39.8 2.2
M60GB31  4,751 60.8 40.6 2.9
M60GB88  6,715 59.9 39.8 2.4
XG20973  7030 57.8 36.7 2.3
M63BG78  6968 58.1 41.5 2
GX20998  7639 58.4 40.8 2.5
M67GB87  6561 60.2 38.9 2.7
ADV XG272  4845 58.9 35.6 2.8
ADV G1120IG  7115 57.8 40.5 2.1
ADV G2177IG  4381 59.2 41.7 2.8
ADV G1153  5011 58.4 36.8 2.6
ADV G2106  4825 59.6 36.8 2.3
ADV G2165  5614 60.2 42.1 2.1
ADV G2168IG  5809 60 45.2 2.7
ADV G2193IG  6153 59.2 40.5 2.1
AG 1203  5400 61.2 39.1 2.6
ADV XG034IG  3204 58.7 38.2 2.4
ADV G3189  6284 59.4 37.9 2.4
DKS 33-07  4560 59.3 39.2 2.8
DKS 36-07  6510 60.4 37.4 2.6
DKS 44-07  8858 62.5 41.5 2.9
DKS 47-07  5450 60.8 40.6 2.8
DKS 50-07  6659 60.9 39.9 2.3
         
Average  6080 59.7 39.4 2.2
CV      17.2      
LSD0.05        1569      

 

 

 Table 10. Late hybrids (>70 DMB) at the Bixby location.

 Hybrid

Grain Yield
lbs/ac
Test weight
lbs/bu
Population
plant/ac (x1,000)
Head Count
heads/plant
MG 5740  6,880 60.9 40.6 2.3
MG 5727  7,108 61.4 38.9 2.5
SP 74M21  5,860 60.8 41.5 2.1
SP7715  8,671 59.9 40.6 1.8
SPSA308  6,443 60.8 39.7 2.5
SPSC344  6,693 61.7 40.3 2.1
GX20970  8,395 60.6 36.7 2.6
GX21965  8,219 60.7 38.9 2
M71GR91  6,285 61.1 40.3 1.8
M72GB71  7188 60.3 41.5 2.3
         
Average  7174 60.8 39.9 2.2
CV       13.3      
LSD0.05       1168      

 

  •  Cooperator: Butch Havener
  • Tillage Practice: Conventional Till
  • Soil Series: Wynona Silt Clay Loam
  • Seeding rate: 48,600 seeds/ac
  • Herbicide: 1.6 qt/ac Charger Max® ATZ + 32oz glyphosate©/ac
  • Fertilizer: N- 120 lbs/ac, 60 lbs P/ac, 60 lbs K/ac
  • Planting Date: May 14, 2021
  • Harvest Date: September 9, 2021

 

 

Tipton 

 

Table 11. Early hybrids (<60 DMB) at the Tipton location.

 Hybrid

Grain Yield
lbs/ac
Test weight
lbs/bu
MG 4590  3,862 57.8
MG 5482  3,777 56.9
SP 25C10   3,364 56.3
SP 43M80  3,324 57.1
M59GB94  4,524 58
ADV XG160  4,126 57.3
ADV XG015IG   4,210 56.9
     
Average  3,783 57.2
CV     11.6  
LSD0.05     633  

 

 Table 12. Medium hybrids (60-70 DMB) at the Tipton location. 

 Hybrid Grain Yield
lbs/ac
Test weight
lbs/bu
MG 5745W  5,058 59.8
MG 5710  5,590 57.3
MG 5730  4,886 56.9
SP68M57   5,061 60.1
SWGS3183  4,106 60.8
M60GB31   5,970 62.1
M60GB88  5,224 58.5
XG20973  5,019 59.3
M63BG78 4871 60.0
GX20998  5640 58.9
M67GB87   4256 59.3
ADV XG272   6106 60.8
ADV G1120IG  5822 58.1
ADV G2177IG  3890 60.8
ADV G1153  4981 57.2
ADV G2106   4376 56.9
ADV G2165  5722 58.9
ADV G2168IG  5346 59.3
ADV G2193IG   4826 60.2
AG 1203  5448 58.7
ADV XG034IG   3996 56.3
ADV G3189   5344 59.2
DKS 33-07   5974 60.3
DKS 36-07   5665 61.0
DKS 44-07  6408 57.8
DKS 47-07   6538 60.8
DKS 50-07   4590 59.2
     
Average  5212 59.2
CV     13.8  
LSD0.05     1242  

Table 13. Late hybrids (>70 DMB) at the Tipton location.

Hybrid Grain Yield
lbs/ac
Test weight
lbs/bu
MG 5740  5,674 60.1
MG 5727   5,373 59.7
SP 74M21  5,296 58.3
SP7715   6,728 58.5
SPSA308   4,867 59.2
SPSC344   5,957 60
GX20970  5,201 59.4
GX21965   5,934 58.1
M71GR91   5,472 60.8
M72GB71   5194 58.9
     
Average  5570 59.3
CV   9.5  
LSD0.05     1482  
  • Cooperator: Mike Schultz and Gary Strickland
  • Tillage Practice: Conventionally tilled
  • Soil Series: Tipton Loam
  • Seeding rate: 48,600 seeds/ac
  • Herbicide: 1.6 qt/ac Charger Max® ATZ + 32oz glyphosate©/ac
  • Fertilizer: 60 lbs N/ac, 50 lbs P/ac, 50 lbs K/ac
  • Planting Date: April 22, 2021
  • Harvest Date: August 25, 2021

 

  

Panhandle Trials

Adams

 

 Table 14. Early hybrids (<60 DMB) at the Adams location. 

 Hybrid

Grain Yield
lbs/ac
Test weight
lbs/bu
Population
plant/ac (x1,000)
Head Count
heads/plant
MG 4590  4,449 58.8 26.5 2.8
MG 5482  5,265 59.6 27.1 2.6
SP 25C10  4,498 57.2 27.4 2.4
SP 43M80  4,713 59.7 26.8 2.1
M59GB94  4,729 58.7 29.2 1.9
ADV XG160  5,109 60.3 28.3 2.4
ADC XG015IG 3,494 56.8 28.4 2.7
M54GR24  4,484 60.2 29.7 1.8
M59GB57  4,900 54.8 26.8 1.9
Prime 4571 58 28.1 2.6
         
Average 4621 58.4 27.8 2.3
CV      10.4      
LSD0.05       895      

 

 

Table 15. Medium hybrids (60-70 DMB) at the Adams location. 

 Hybrid

Yield
lbs/ac
Test weight
lbs/bu
Population
plant/ac (x1,000)
Head Count
heads/plant
MG 5745W  4,591 57 30.1 2.4
MG 5710  4,668 58.5 28.5 2
MG 5730  4,430 56.2 26.7 2.6
SP68M57  4,033 58.8 31.4 1.4
SWGS3183  4,516 56.2 32.5 1.8
M60GB31  3,955 58.4 27.8 2
M60GB88  4,768 59.1 26.9 1.4
XG20973  4,651 61 28.5 1.9
M63BG78  3893 57.8 29.3 2.3
GX20998  5294 59.2 30.7 2.2
M67GB87 4791 57.2 30.4 2.7 4791 57.2 30.4 2.7
ADV XG272  4275 59 30 1.9
ADV G1120IG  4075 59.4 28.4 2.6
ADV G2177IG  4384 57.3 27.7 2.7
ADV G1153  4910 59.8 25.2 2.5
ADV G2106  4614 57.6 26.9 2.3
ADV G2165  4383 59.3 28.7 2.8
ADV G2168IG  5191 59.1 29.4 2.1
ADV G2193IG  3785 57.4 26.3 2.5
AG 1203  4846 57.5 28.1 2.3
ADV XG034IG  3201 57.4 27.5 2.8
ADV G3189  3596 58.2 26.4 2.9
DKS 33-07  5143 60.3 25.9 2.4
DKS 36-07  4063 57.9 28.7 2.1
DKS 44-07  5101 60.5 25.4 2.7
DKS 47-07  4224 57.8 30.8 2.9
DKS 50-07  5279 65.8 29.9 2.5
ADV XG404  4121 58.3 31.6 2.6
ADV XG360  4176 65.1 28.4 2.7
ADV G3127  4173 59.8 27.3 2.4
RS260E  4839 58.7 26.6 2.1
XG 10  3711 59.7 25.6 2.9
XG 66  5144 60.4 27.8 2.7
XG 59  4980 59.7 26.4 2.3
XG 234  4939 58.2 28.1 2.8
XG 101  4589 57.3 29.3 2.1
RS 230  4425 58.2 27.8 2.4
         
Average  4480 58.9 28.3 2.2
CV     11.4      
LSD0.05      1058      

 

Table 16. Late hybrids (>70 DMB) at the Adams location.

 Hybrid

Grain Yield
lbs/ac
Test weight
lbs/bu
Population
plant/ac (x1,000)
Head Count
heads/plant
MG 5740  4,203 58.7 24.6 2.4
MG 5727  4,423 58.5 27.1 2
SP 74M21  4,016 58.2 23.9 2.9
SP7715  4,416 58.7 25.7 2.1
SPSA308  4,274 58 24.6 2.4
SPSC344  4,901 59.5 26.8 1.7
GX20970  4,068 58.9 24.6 2.5
GX21965  5,408 60.8 27.3 2.3
M71GR91  4,763 59.9 26.9 1.9
M72GB71  4255 58.2 24.3 1.6
         
Average  4473 58.9 25.6 2.2
CV     9.7      
LSD0.05       486      
  • Cooperator: Leon RichardTillage
  • Tillage Practice: Conventional Till
  • Soil Series: Dalhart Fine Sandy Loam
  • Seeding rate: 37,200 seeds/ac
  • Herbicide: 1.6 qt/ac Charger Max® ATZ + 32oz glyphosate©/ac
  • Fertilizer: 123 lbs N/ac; 40 lbs P/ac
  • Planting Date: June 7, 2021
  • Harvest Date: October 10, 2021

 

 

McCall (Irrigated)

 

 Table 17. Early hybrids (<60 DMB) at the McCall location.

 Hybrid Yield
lbs/ac
Test weight
lbs/bu
Population 
plant/ac (x1,000)
Head Count
heads/plant
MG 4590  9,186 60.8 55.4 1.4
MG 5482  11,159 61.1 57.8 1.6
SP 25C10  8,888 59.8 56.1 1.5
SP 43M80  10,299 60 51.4 1.7
M59GB94  11,403 60.5 58.9 1.2
ADV XG160  11,250 60.5 53.9 1.8
ADC XG015IG  10,303 60.3 60.1 1.6
M54GR24  9,865 59.7 57.4 1.9
M59GB57  9,238 58.4 58.9 1.4
Prime  10230 60.1 52.8 1.8
         
Average  10182 60.1 56.3 1.6
CV      8.8      
LSD0.05       992      

 

 Table 18. Medium hybrids (60-70 DMB) at the McCall location. 

 Hybrid

Grain Yield
lbs/ac
Test weight
lbs/bu
Population 
plant/ac (x1,000)
Head Count
heads/plant
MG 5745W  9,340 59.7 58.4 1.8
MG 5710  11,138 60.1 61.3 1.7
MG 5730  12,094 61.1 60.5 1.4
SP68M57  7,253 60.3 54.7 1.6
SWGS3183  9,911 60.8 51.6 2.5
M60GB31  9,904 58.7 59.2 2.1
M60GB88  10,885 59.4 60.2 1.4
XG20973  11,765 59.6 62.3 1.6
M63BG78  9788 59 58.7 1.7
GX20998  9678 58.7 56.9 2.1
M67GB87  12378 59.4 52.7 2.3
ADV XG272  9238 58.7 53.5 1.9
ADV G1120IG  9989 59.3 54.6 1.6
ADV G2177IG  9518 59.7 58.9 1.7
ADV G1153  10221 60.3 52.1 1.8
ADV G2106  8501 59.8 60.5 1.8
ADV G2165  7686 59.7 62.1 1.4
ADV G2168IG  10415 59.3 66.4 1.6
ADV G2193IG  9870 60.1 63.7 1.8
AG 1203 9575 60.0 61.9 1.7 9575 60 61.9 1.7
ADV XG034IG  8341 60.3 54.8 2.1
ADV G3189  8324 57.8 52.9 2.4
DKS 33-07  10600 58.9 54.9 2.2
DKS 36-07  9235 60.1 58.7 2.1
DKS 44-07  13489 58.9 53.8 2.3
DKS 47-07  9040 60.3 59.1 2
DKS 50-07  10936 61.1 55.6 1.8
ADV XG404  8164 58.9 57.4 2.4
ADV XG360  7121 60.3 60.1 1.8
ADV G3127  7380 61 60.8 1.7
RS260E  7730 59.7 53.5 2.7
XG 10  10163 59.9 58.7 2.5
XG 66  8071 60.5 54.9 2.3
XG 59  6943 60.4 52.6 2.6
XG 234  8808 58.9 54.8 2.1
XG 101  9491 60.1 59.1 2.8
RS 230  10676 59.7 53.6 2.5
         
Average  9558 59.7 57.4 2
CV     16.9      
LSD0.05       1100      

 

Table 19. Late hybrids (>70 DMB) at the McCall location.

 Hybrid

Grain Yield
lbs/ac
Test weight
lbs/bu
Population 
plant/ac (x1,000)
Head Count
heads/plant
MG 5740  11,574 60.5 59.8 2.8
MG 5727  8,046 59.8 54.1 3.1
SP 74M21  9,931 59.7 56.7 2.7
SP7715  7,379 60.2 59.8 2.8
SPSA308  9,389 58.7 56.3 3
SPSC344 9883 60.1 57.4 2.7
GX20970  10,216 57.8 58.2 2.4
GX21965  11,493 60.4 60.1 2.6
M71GR91  11,848 59.8 59.2 2.7
M72GB71  9813 58.4 58.4 2.5
         
Average  9957 59.5 58 2.7
CV       15.7      
LSD0.05      857      
  • Cooperator: Cameron Murley
  • Tillage Practice: Strip-till into corn residue
  • Soil Series: Gruver Clay Loam
  • Target Population: 66,900 seeds/ac
  • Herbicide: 1.6 qt/ac Charger Max ATZ + 32oz glyphosate/ac
  • Fertilizer: 150 lbs N/ac
  • Planting Date: June 8, 2021
  • Harvest Date: October 28, 2021

 

 

Goodwell (Irrigated)

 

 Table 20. Early hybrids (<60 DMB) at the Goodwell location.

 Hybrid

Grain Yield
lbs/ac
Test weight
lbs/bu
MG 4590 5,272 59.3
MG 5482 5,752 59.6
SP 25C10 4,672 55.9
SP 43M80 5,596 60.0
M59GB94 6,335 59.6
ADV XG160 5,633 59.9
ADC XG015IG 4,626 58.2
M54GR24 5,050 58.8
M59GB57 5,281 57.6
Prime 4,990 57.6
      
Average 5,321 58.6
CV 9.9  
LSD0.05 688  

 

 

Table 21. Medium hybrids (60 to 70 DMB) at the Goodwell location. 

 Hybrid

Grain Yield
lbs/ac
Test weight
lbs/bu
MG 5745W  5,211 52.7
MG 5710   5,615 59.1
MG 5730  5,351 59.1
SP68M57  6241 51.1
SWGS3183  5808 60.6
M60GB31   6,135 60.6
M60GB88  5,642 59
XG20973   5,412 48.7
M63BG78  5252 59.5
GX20998   6520 60.6
M67GB87   5950 58.9
ADV XG272  5604 60.5
ADV G1120IG  5802 57.7
ADV G2177IG   5528 60.5
ADV G1153   5202 59.8
ADV G2106  5542 58.3
ADV G2165   5196 59.5
ADV G2168IG   6289 60.1
ADV G2193IG  5548 59.2
AG 1203  6763 60
ADV XG034IG  4764 60
ADV G3189   5357 60
DKS 33-07  5697 60
DKS 36-07  5369 60.6
DKS 44-07   6540 61.4
DKS 47-07   5794 61.5
DKS 50-07   5601 60.5
ADV XG404   4940 60.1
ADV XG360  5174 59.8
ADV G3127   4922 60.3
RS260E   5465 60.4
XG 10   5440 60.2
XG 66  5616 61.1
XG 59  5380 60.8
XG 234  5431 59.4
XG 101  5006 57.1
RS 230  5592 60.5
P14  6324 60.9
     
Average  5606 59.2
CV    8.4  
LSD0.05  837  

 

Table 22. Late hybrids (>70 DMB) at the Goodwell drip location. 

 Hybrid

Grain Yield
lbs/ac
Test weight
lbs/bu
MG 5740  5,794 59.5
MG 5727   6,188 60.1
SP 74M21   6,644 59.3
SP7715  5,926 59.8
SPSA308   6092 59.7
SPSC344   6914 60.8
GX20970  6,059 59.5
GX21965   6,678 60.4
M71GR91  6,284 60.1
M72GB71  6008 59.5
     
Average  6259 59.9
CV  5.9  
LSD0.05     712  
  •  Cooperator: Cameron Murley
  • Tillage Practice: Coventionally Tilled
  • Soil Series: Gruver Clay Loam
  • Target Population: 66,900 seeds/ac
  • Herbicide: 1.6 qt/ac Charger Max ATZ + 32oz glyphosate/ac
  • Fertilizer: 100 lbs N/ac applied through the drip
  • Planting Date: June 15, 2021
  • Harvest Date: October 25, 2021
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