Arkansas Corn. and Grain Sorghum Performance Tests. R.D. Bond J.A. Still D.G. Dombek

Transcription

1 Arkansas Corn 2015 and Grain Sorghum Performance Tests R.D. Bond J.A. Still D.G. Dombek ARKANSAS AGRICULTURAL EXPERIMENT STATION November 2015 Research Series 629

2 This publication is available on the internet at: and at Technical editing and cover design by Gail Halleck. Photo Credits: Arkansas Agricultural Experiment Station, University of Arkansas System, Division of Agriculture, Rich Bond. Arkansas Agricultural Experiment Station, University of Arkansas System Division of Agriculture, Fayetteville. Mark J. Cochran, Vice President for Agriculture; Clarence E. Watson, Associate Vice-President for Agriculture Research and Director, AAES. SG700/InddCS6. The University of Arkansas System Division of Agriculture offers all its Extension and Research programs and services without regard to race, color, sex, gender identity, sexual orientation, national origin, religion, age, disability, marital or veteran status, genetic information, or any other legally protected status, and is an Affirmative Action/Equal Opportunity Employer. ISSN: CODEN: AKAMA6

3 ARKANSAS CORN AND GRAIN SORGHUM PERFORMANCE TESTS 2015 R.D. Bond J.A. Still D.G. Dombek Arkansas Agricultural Experiment Station University of Arkansas System Division of Agriculture Fayetteville, Arkansas 72701

4 ACKNOWLEDGMENTS This research was funded in part by participating companies. The assistance of the following individuals in conducting these experiments is gratefully acknowledged: Northeast Research and Extension Center, Keiser F.M. Bourland, Center Director Mike Duren, Program Technician III The Lon Mann Cotton Research Station, Marianna Claude Kennedy, Resident Director Clayton Treat, Farm Foreman Southeast Research and Extension Center, Monticello Kelly Bryant, Center Director Larry Earnest, Superintendent, Rohwer Division Scott Hayes, Program Technician II, Rohwer Division Jack Pace, Program Technician I, Rohwer Division Rice Research and Extension Center, Stuttgart Chuck Wilson, Center Director Jonathan McCoy, Program Technician II Special thanks to Davis Bell for allowing us to conduct corn tests at the Bell Farming Company.

5 CONTENTS Introduction...4 Materials and Methods...4 Grain Sorghum Performance Measurements...4 Corn Performance Measurements...5 Table 1. Yields of Grain Sorghum Hybrids in Arkansas Performance Tests, Table 2. Performance of Irrigated Grain Sorghum Hybrids, Keiser, Ark., Table 3. Performance of Non-irrigated Grain Sorghum Hybrids, Keiser, Ark., Table 4. Performance of Irrigated Grain Sorghum Hybrids, Marianna, Ark., Table 5. Performance of Irrigated Grain Sorghum Hybrids, Stuttgart, Ark., Table 6. Performance of Irrigated Grain Sorghum Hybrids, Rohwer, Ark., Table 7. Performance of Non-Irrigated Grain Sorghum Hybrids, Rohwer, Ark., Table 8. Yields of Corn Hybrids in Arkansas Performance Tests, Table 9. Performance of Irrigated Corn Hybrids, Keiser, Ark., Table 10. Performance of Irrigated Corn Hybrids, Marianna, Ark., Table 11. Performance of Irrigated Corn Hybrids, Stuttgart, Ark., Table 12. Performance of Irrigated Corn Hybrids, Rohwer, Ark., Table 13. Performance of Irrigated Corn Hybrids, Bell Farming Co., Des Arc, Ark., Participants and Entries 2015 Grain Sorghum Tests...42 Participants and Entries 2015 Corn Tests...43 Grain Sorghum Location Map...48 Corn Location Map...(inside back cover)

6 ARKANSAS CORN AND GRAIN SORGHUM PERFORMANCE TESTS R.D. Bond 2, J.A. Still 3, and D.G. Dombek 4 INTRODUCTION Corn and grain sorghum performance tests are conducted each year in Arkansas by the University of Arkansas System Division of Agriculture. The tests provide information to companies marketing seed within the state, and aid the Arkansas Cooperative Extension Service in formulating recommendations for producers. The 2015 corn performance tests contained 84 entries and were conducted at the Northeast Research and Extension Center (NEREC) at Keiser, the Lon Mann Cotton Research Station (LM- CRS) near Marianna, the Bell Farming Company near Des Arc, the Rohwer Research Station (RRS) near Rohwer, and the Rice Research and Extension Center (RREC) near Stuttgart. The 2015 grain sorghum performance tests contained 30 entries and were conducted at the NEREC, the LMCRS, the RRS, and the RREC. Test location maps for grain sorghum and corn can be found on page 48 and inside the back cover, respectively. MATERIALS AND METHODS Corn hybrids were divided into two maturity groups based on information provided by the originating companies. Entries were placed into a 116 or fewer days-to-maturity group (Early- to Mid- Season) or 117+ group (Mid- to Full-Season). Within each test, entries were arranged as a randomized complete block design with four replications. Plots were two rows wide and feet long depending on location. Seeding rates for grain sorghum hybrids at all locations as well as corn hybrids at the Keiser and Rohwer locations were based on the recommendations of the originating company. A vacuum-type planter was used to plant the corn tests at the Marianna, Stuttgart, and Bell Farm locations which requires a single seeding rate. A seeding rate of 33,000 plants per acre averaged from all participant-requested plant populations was used to plant these locations. Specific location and management practice information accompany each table. GRAIN SORGHUM PERFORMANCE MEASUREMENTS Yield: Yields were calculated from the weight of threshed grain from each plot and are expressed as bushels per acre at 14% moisture. Grain Moisture: Expressed as a percent moisture of grain at harvest. Plant Height: Average height in inches from the soil surface to the top of the grain head. Head Exertion: Average distance in inches from the flag leaf to base of panicle. Head Compactness Scale: 1 = Head short and oval. Rachis branches intermediate in length. 2 = Head long and slender. Rachis branches strong and short. 3 = Head elongated and oval. Rachis branches beginning to weaken and intermediate in length. 4 = Head elongated and rectangular in shape. Rachis branches intermediate in strength and length. 5 = Head open and elongated. Rachis branches weak. Bird Damage: A visual estimate of total percent grain loss from each plot. 1 Use of products and trade names in this report does not constitute a guarantee or warranty of the products named and does not signify that those products are approved to the exclusion of comparable products. 2 Program Associate, Arkansas Agricultural Experiment Station, University of Arkansas, Fayetteville, Ark Program Technician II, Arkansas Agricultural Experiment Station, University of Arkansas, Fayetteville, Ark Program Director, Arkansas Agricultural Experiment Station, University of Arkansas, Fayetteville, Ark

7 Arkansas Corn and Grain Sorghum Performance Tests 2015 CORN PERFORMANCE MEASUREMENTS Yield: Yields were calculated from the weight of shelled corn harvested from each plot and are expressed as bushels per acre at 15.5% moisture. Grain Moisture: Expressed as a percent moisture of shelled grain at harvest. Root Lodging: Average number of plants leaning more than 40 degrees from vertical at harvest. Plants/Acre: The plant population expressed in the number of plants per acre. Ear Height: The average distance in inches from the soil surface to the point of attachment of upper ear. Tip Cover: Tip cover was rated as good (1), average (2), or poor (3). A rating of good was given when the husks reached well beyond the end of the ear and fit tightly. A rating of average was given when the husks reached the tip of the ear or fit loosely. A rating of poor was given when the ears were open to the weather. Stalk Lodging: Average number of plants broken below an ear at harvest. Variety Testing Website This report and other information about variety testing for corn, cotton, grain sorghum, rice, small grains, and soybean can be found at ArkansasVarietyTesting.com. Disease ratings that do not appear in this or other reports may also be found on this Website. 5

8 AAES Research Series 629 Table 1. Yields of Grain Sorghum Hybrids in Arkansas Performance Tests, 2015 a. Hybrid Name Keiser Irrigated Keiser Non- Irrigated Marianna Irrigated Stuttgart Irrigated Rohwer Irrigated Rohwer Non- Irrigated Average Alta AG Alta AG Alta AG Alta AG Alta AG Alta AG Alta XG Alta XG Alta XG Alta XG Armor AMX Armor AMX Armor AMX Armor AMX Armor AMX Armor AMX99773 b b Armor BANDIT Armor Maverick DEKALB DKS DEKALB DKS Dyna- Gro 765B Dyna- Gro GX Dyna- Gro M75GB Dyna- Gro M77GB Mycogen 1G Pioneer 83P Pioneer 84P REV REV REV GRAND MEAN LSD (5%) C.V a Keiser = Notheast Research and Extension Center. Marianna = Lon Mann Cotton Research Station. Stuttgart = Rice Research and Extension Center. Rohwer = Rohwer Research Station. b A reportable yield for Armor AMX99773 could not be obtained at the Keiser location due to extensive bird damage. The yields in the "Average" column for this hybrid do not include the tests from this location. 6

9 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 2. Performance of Irrigated Grain Sorghum Hybrids, Keiser, Ark., Hybrid Name Yield 2- Year a 3- Year b Grain Moisture (%) Plant Height (in.) Head Exertion (in.) Head Comp. Rating (see p. 4) Bird Damage (%) REV Armor AMX Pioneer 84P Alta AG Armor AMX Alta AG Dyna- Gro M75GB DEKALB DKS Alta AG Pioneer 83P REV DEKALB DKS Dyna- Gro GX Armor BANDIT REV Alta XG Alta AG Alta AG Mycogen 1G Dyna- Gro M77GB Alta XG Armor AMX Dyna- Gro 765B Alta XG Armor AMX Armor AMX Alta AG Alta XG Armor Maverick GRAND MEAN LSD (5%) C.V a Average yield for 2014 and b Average yield for 2013, 2014, and

10 AAES Research Series 629 Table 2. Performance of Irrigated Grain Sorghum Hybrids, Keiser, Ark., 2015, continued. Soil Series: Sharkey clay Preplant Fertilizer: 100 lb/a N Soil ph: 6.8 Previous Crop: Soybean 50 lb/a P 50 lb/a K }April 30 Row Width: 38" Planting Date: May 1 Irrigation Dates: June 23 July 16, 29 Sidedress Fertilizer: 50 lb/a N, June 5 Herbicide Application(s): Atrazine + Dual Magnum, May 1 Buctril, June 8 Roundup, August 28 Harvest Date: September 8 8

11 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 3. Performance of Non- Irrigated Grain Sorghum Hybrids, Keiser, Ark., Hybrid Name Yield 2- Year a 3- Year b Grain Moisture (%) Plant Height (in.) Head Exertion (in.) Head Comp. Rating (see p. 4) Bird Damage (%) DEKALB DKS DEKALB DKS Armor BANDIT Alta AG Pioneer 84P Alta AG REV REV Alta AG Dyna- Gro 765B Pioneer 83P Dyna- Gro GX REV Dyna- Gro M75GB Armor AMX Armor AMX Armor AMX Armor Maverick Dyna- Gro M77GB Alta XG Alta AG Alta AG Alta XG Alta XG Alta AG Armor AMX Armor AMX Alta XG Mycogen 1G GRAND MEAN LSD (5%) C.V a Average yield for 2014 and 2015 b Average yield for 2013, 2014, and

12 AAES Research Series 629 Table 3. Performance of Non-Irrigated Grain Sorghum Hybrids, Keiser, Ark., 2015, continued. Soil Series: Sharkey clay Soil ph: 6.8 Previous Crop: Soybean Row Width: 38" Planting Date: May 1 Irrigation Dates: N/A Preplant Fertilizer: 100 lb/a N 50 lb/a P 50 lb/a K Sidedress Fertilizer: 50 lb/a N, June 5 }April 30 Herbicide Application(s): Atrazine + Dual Magnum, May 1 Buctril, June 8 Roundup, August 28 Harvest Date: September 8 10

13 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 4. Performance of Irrigated Grain Sorghum Hybrids, Marianna, Ark., Hybrid Name Yield 2- Year a 3- Year b Grain Moisture (%) Plant Height (in.) Head Exertion (in.) Head Comp. Rating (see p. 4) Armor AMX Armor Maverick Armor AMX DEKALB DKS Alta AG Pioneer 84P Dyna- Gro 765B DEKALB DKS Alta AG Pioneer 83P REV Armor BANDIT Armor AMX Alta XG Dyna- Gro M77GB Alta XG Alta AG Alta AG REV Mycogen 1G REV Armor AMX Alta XG Dyna- Gro M75GB Alta XG Alta AG Alta AG Armor AMX Dyna- Gro GX Armor AMX GRAND MEAN LSD (5%) C.V a Average yield for 2014 and 2015 b Average yield for 2013, 2014, and

14 AAES Research Series 629 Table 4. Performance of Irrigated Grain Sorghum Hybrids, Marianna, Ark., 2015, continued. Soil Series: Soil ph: 7.5 Previous Crop: Row Width: 38" Planting Date: May 1 Calloway silt loam Grain Sorghum Irrigation Dates: June 24, 29 July 10, 14 August 1, 8 Preplant Fertilizer: 46 lb/a N, 46 lb/a P 60 lb/a K Sidedress Fertilizer: 130 lb/a N, May 29 }April 9 Herbicide Application(s): Dual II Magnum, May 8 Atrazine + Dual II Magnum, May 29 Insecticide Application(s): Lorsban, July 8, 14 Transform + Prevathon, July 27 Transform, August 10 Harvest Date: August 24 12

15 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 5. Performance of Irrigated Grain Sorghum Hybrids, Stuttgart, Ark., Hybrid Name Yield 2- Year a 3- Year b Grain Moisture (%) Plant Height (in.) Head Exertion (in.) Head Comp. Rating (see p. 4) Mycogen 1G DEKALB DKS Armor AMX DEKALB DKS Pioneer 83P Armor AMX Armor Maverick Dyna- Gro 765B Pioneer 84P Armor AMX REV Alta AG Armor BANDIT Alta AG Dyna- Gro M77GB REV REV Alta AG Dyna- Gro GX Armor AMX Alta XG Dyna- Gro M75GB Alta AG Alta AG Alta AG Alta XG Armor AMX Alta XG Alta XG Armor AMX GRAND MEAN LSD (5%) C.V a Average yield for 2013 and b Average yield for 2012, 2013, and

16 AAES Research Series 629 Table 5. Performance of Irrigated Grain Sorghum Hybrids, Stuttgart, Ark., 2015, continued. Soil Series: Soil ph: 6.1 Previous Crop: Row Width: 30" Crowley silt loam Soybean Planting Date: May 1 Irrigation Dates: June 11, 25 July 14, 23 August 12 Preplant Fertilizer: 80 lb/a N, 90 lb/a P 90 lb/a K, 21 lb/a S 10 lb/a Zn Sidedress Fertilizer: 92 lb/a N, May 22, June 10 Lime Application: 1800 lb/a, March 10 }April 3 Herbicide Application(s): Roundup + Permit + Dual Magnum + Atrazine, May 5 Insecticide Application(s): Mustang Max, July 7, 21 Mustang Max + Transform, July 30 Harvest Date: September 1 14

17 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 6. Performance of Irrigated Grain Sorghum Hybrids, Rohwer, Ark., Hybrid Name Yield 2- Year a 3- Year b Grain Moisture (%) Plant Height (in.) Head Exertion (in.) Head Comp. Rating (see p. 4) Mycogen 1G Armor AMX Dyna- Gro 765B Armor Maverick Armor AMX DEKALB DKS REV Alta XG DEKALB DKS Alta AG Pioneer 83P REV Armor AMX Armor AMX Dyna- Gro M77GB Pioneer 84P Dyna- Gro M75GB Armor AMX Alta AG Armor BANDIT Dyna- Gro GX Alta XG Armor AMX Alta AG Alta AG Alta AG Alta AG REV Alta XG Alta XG GRAND MEAN LSD (5%) C.V a Average yield for 2013 and b Average yield for 2012, 2013, and

18 AAES Research Series 629 Table 6. Performance of Irrigated Grain Sorghum Hybrids, Rohwer, Ark., 2015, continued. Soil Series: Soil ph: 7.5 Herbert silt loam Preplant Fertilizer: 60 lb/a K 46 lb/a P }February 13 Previous Crop: Row Width: 38" Soybean Planting Date: May 4 Irrigation Dates: June 29 July 17, 24 August 4 Sidedress Fertilizer: 75 units 32% N, June 5, 6 Herbicide Application(s): Dual II Magnum + Atrazine + Roundup PowerMax, May 5 Atrazine + Dual Magnum, June 8 Harvest Date: August 28 16

19 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 7. Performance of Non- Irrigated Grain Sorghum Hybrids, Rohwer, Ark., Hybrid Name Yield 2- Year a 3- Year b Grain Moisture (%) Plant Height (in.) Head Exertion (in.) Head Comp. Rating (see p. 4) DEKALB DKS Mycogen 1G Pioneer 84P DEKALB DKS Alta AG Dyna- Gro 765B REV Armor AMX Armor AMX Pioneer 83P Alta XG Armor AMX REV Armor Maverick Dyna- Gro M77GB REV Armor AMX Alta AG Dyna- Gro GX Alta AG Alta AG Alta AG Armor BANDIT Dyna- Gro M75GB Alta AG Alta XG Armor AMX Alta XG Alta XG Armor AMX GRAND MEAN LSD (5%) C.V a Average yield for 2013 and b Average yield for 2012, 2013, and

20 AAES Research Series 629 Table 7. Performance of Non-Irrigated Grain Sorghum Hybrids, Rohwer, Ark., 2015, continued. Soil Series: Soil ph: 7.5 Herbert silt loam Preplant Fertilizer: 60 lb/a K 46 lb/a P }February 13 Previous Crop: Soybean Row Width: 38" Planting Date: May 4 Irrigation Dates: N/A Sidedress Fertilizer: 75 units 32% N, June 5, 6 Herbicide Application(s): Dual II Magnum + Atrazine + Roundup PowerMax, May 5 Atrazine + Dual Magnum, June 8 Harvest Date: August 26 18

21 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 8. Yields of Irrigated Corn Hybrids in Arkansas Performance Tests, 2015 a. Hybrid Name Keiser Marianna Stuttgart Rohwer Bell Farm Average... Early- to Mid- Season Hybrids AgriGold A6499VT2RIB AgriGold A6501VT2RIB AgriGold A6559VT2RIB AgriGold A6573VT2RIB AgriGold A6574VT2PRO AgriGold A6579STX AgriGold A6659VT2RIB Armor A0808PRO Armor A1033PRO Armor A1414PDG Armor A1621PRO Armor AXC Augusta A Augusta A BH 8660VTTP BH 8688DG2P BH 8732VTTP BH 8735VTTP Croplan 6640VT3P DEKALB DKC GENSS DEKALB DKC GEN DEKALB DKC GENVT2P DEKALB DKC GENVT2P Dyna- Gro D54DC Dyna- Gro D54VP Dyna- Gro D55QC Dyna- Gro D55VP Dyna- Gro D56VC Golden Acres 26V Golden Acres G LG Seeds LG5618STXRIB LG Seeds LG5638VT2RIB LG Seeds LG5663VT2PRO MorCorn MC MorCorn MC MorCorn MC MorCorn MCXP Mycogen 2C

22 AAES Research Series 629 Table 8. Yields of Irrigated Corn Hybrids in Arkansas Performance Tests, 2015 a, continued. Hybrid Name Keiser Marianna Stuttgart Rohwer Bell Farm Average... Early- to Mid- Season Hybrids Continued Mycogen 2C Mycogen 2Y Mycogen X13726VH Mycogen X13759S Mycogen X13813VH NK N75H- 3010A NK N76A- GT/CB/LL NK N79Z NK N79M- GT/CB/LL NK N78S Pioneer P1311YHR Pioneer P1637VYHR Progeny EXP16VT2P Progeny PGY 4114VT2P Progeny PGY 4115VT2P Progeny PGY 5115VT2P REV 22BHR REV 23BHR REV 24BHR REV 25BHR REV 26BHR GRAND MEAN LSD (5%) C.V

23 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 8. Yields of Irrigated Corn Hybrids in Arkansas Performance Tests, 2015 a continued. Hybrid Name Keiser Marianna Stuttgart Rohwer Bell Farm Average... Mid- to Full- Season AgriGold A6687VT2PRO AgriGold A6711VT2PRO AgriGold A6719VT2PRO Armor AXC Armor AXC Augusta A Augusta A Augusta A Croplan 7927VT3P Croplan 8512DGVT2P DEKALB DKC GENVT2P DEKALB DKC GENVT2P DEKALB DKC GENVT2P Delta Grow DG Delta Grow DG Dyna- Gro CX Dyna- Gro D57VP MorCorn MC Mycogen 2D NK N83D- 3000GT Pioneer P1794VYHR Pioneer P1916YHR Pioneer P2160YHR Progeny PGY 4117VT3P REV 28HR GRAND MEAN LSD (5%) C.V a Keiser = Northwest Research and Extension Center. Marianna = Lon Mann Cotton Research Station. Stuttgart = Rice R.search and Extension Center. Rohwer = Rohwer Research Station. Bell Farm = Bell Farming Company, Prairie County. 21

24 AAES Research Series 629 Table 9. Performance of Irrigated Corn Hybrids, Keiser, Ark., Brand/Hybrid Yield 2- Year a 3- Year b Grain Moisture (%) Stalk c Lodging Ear Height (in.) Plants Per Acre Early- to Mid- Season Hybrids 22 MorCorn MCXP Golden Acres G Augusta A Augusta A Armor A1621PRO Dyna- Gro D54DC Mycogen 2C DEKALB DKC GENVT2P MorCorn MC MorCorn MC BH 8688DG2P BH 8660VTTP Progeny EXP16VT2P BH 8732VTTP Croplan 6640VT3P Pioneer P1311YHR AgriGold A6579STX Pioneer P1637VYHR BH 8735VTTP REV 25BHR AgriGold A6659VT2RIB MorCorn MC NK N78S LG Seeds LG5638VT2RIB Dyna- Gro D55VP Dyna- Gro D56VC Armor A1414PDG Progeny PGY 4115VT2P REV 23BHR Mycogen X13726VH Armor AXC NK N79Z Golden Acres 26V Mycogen 2C Progeny PGY 5115VT2P LG Seeds LG5618STXRIB Dyna- Gro D54VP AgriGold A6501VT2RIB DEKALB DKC GENSS AgriGold A6573VT2RIB AgriGold A6559VT2RIB AgriGold A6499VT2RIB Armor A1033PRO REV 24BHR LG Seeds LG5663VT2PRO

25 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 9. Performance of Irrigated Corn Hybrids, Keiser, Ark., 2015, continued. Brand/Hybrid Yield 2- Year a 3- Year b Grain Moisture (%) Stalk c Lodging Ear Height (in.) Plants Per Acre Early- to Mid- Season Hybrids Continued REV 22BHR Progeny PGY 4114VT2P NK N76A- GT/CB/LL Armor A0808PRO Mycogen X13813VH REV 26BHR NK N75H- 3010A DEKALB DKC GENVT2P Dyna- Gro D55QC Mycogen 2Y AgriGold A6574VT2PRO NK N79M- GT/CB/LL Mycogen X13759S DEKALB DKC GEN GRAND MEAN LSD (5%) C.V

26 AAES Research Series 629 Table 9. Performance of Irrigated Corn Hybrids, Keiser, Ark., 2015, continued. Brand/Hybrid Yield 2- Year a 3- Year b Grain Moisture (%) Stalk c Lodging Ear Height (in.) Plants Per Acre Mid- to Full- Season Hybrids DEKALB DKC GENVT2P DEKALB DKC GENVT2P AgriGold A6719VT2PRO Mycogen 2D Croplan 8512DGVT2P Pioneer P1794VYHR AgriGold A6711VT2PRO DEKALB DKC GENVT2P Pioneer P1916YHR Augusta A Dyna- Gro CX Dyna- Gro D57VP Armor AXC Augusta A Pioneer P2160YHR Armor AXC Delta Grow DG Augusta A Progeny PGY 4117VT3P AgriGold A6687VT2PRO Croplan 7927VT3P Delta Grow DG NK N83D- 3000GT REV 28HR MorCorn MC GRAND MEAN LSD (5%) C.V a Average yield for 2013 and b Average yield for 2012, 2013, and c Average number of plants per hybrid. 24

27 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 9. Performance of Irrigated Corn Hybrids, Keiser, Ark., 2015, continued. Soil Series: Soil ph: 6.8 Previous Crop: Row Width: 38" Sharkey clay Soybean Planting Date: May 1 Irrigation Dates: June 22 July 14, 29 Preplant Fertilizer: 100 lb/a N, 50 lb/a P, 50 lb/a K, April 30 Sidedress Fertilizer: 180 lb/a N, June 5 Herbicide Application(s): Atrazine + Dual Magnum, May 1 Buctril, June 8 Harvest Date: September 24 25

28 AAES Research Series 629 Table 10. Performance of Irrigated Corn Hybrids, Marianna, Ark., Brand/Hybrid Yield 2- Year a 3- Year b Grain Moisture (%) Stalk c Lodging Ear Height (in.) Early- to Mid- Season Hybrids REV 26BHR REV 23BHR Progeny PGY 4114VT2P Pioneer P1637VYHR Mycogen X13726VH BH 8688DG2P REV 25BHR BH 8735VTTP AgriGold A6501VT2RIB BH 8732VTTP Dyna- Gro D54DC Golden Acres G DEKALB DKC GENVT2P MorCorn MC Augusta A Augusta A Dyna- Gro D54VP NK N78S NK N79Z AgriGold A6574VT2PRO AgriGold A6659VT2RIB Pioneer P1311YHR MorCorn MCXP Dyna- Gro D55QC Croplan 6640VT3P NK N79M- GT/CB/LL AgriGold A6579STX Armor A1414PDG Dyna- Gro D55VP MorCorn MC REV 22BHR AgriGold A6573VT2RIB Progeny PGY 4115VT2P LG Seeds LG5638VT2RIB Armor A1621PRO REV 24BHR BH 8660VTTP Mycogen 2C AgriGold A6559VT2RIB LG Seeds LG5618STXRIB DEKALB DKC GENVT2P NK N76A- GT/CB/LL Dyna- Gro D56VC NK N75H- 3010A LG Seeds LG5663VT2PRO

29 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 10. Performance of Irrigated Corn Hybrids, Marianna, Ark., 2015, continued. Brand/Hybrid Yield 2- Year a 3- Year b Grain Moisture (%) Early- to Mid- Season Hybrids Continued Stalk c Lodging Ear Height (in.) Progeny EXP16VT2P DEKALB DKC GENSS Mycogen X13813VH Armor A0808PRO Mycogen 2Y Progeny PGY 5115VT2P Golden Acres 26V MorCorn MC DEKALB DKC GEN AgriGold A6499VT2RIB Mycogen 2C Armor A1033PRO Mycogen X13759S Armor AXC GRAND MEAN LSD (5%) C.V

30 AAES Research Series 629 Table 10. Performance of Irrigated Corn Hybrids, Marianna, Ark., 2015, continued. Brand/Hybrid Yield 2- Year a 3- Year b Grain Moisture (%) Mid- to Full- Season Hybrids Stalk c Lodging Ear Height (in.) Pioneer P2160YHR Pioneer P1794VYHR REV 28HR Armor AXC DEKALB DKC GENVT2P AgriGold A6719VT2PRO Pioneer P1916YHR Augusta A Dyna- Gro CX DEKALB DKC GENVT2P Dyna- Gro D57VP DEKALB DKC GENVT2P Delta Grow DG AgriGold A6711VT2PRO NK N83D- 3000GT Delta Grow DG Augusta A AgriGold A6687VT2PRO Croplan 7927VT3P MorCorn MC Mycogen 2D Croplan 8512DGVT2P Augusta A Progeny PGY 4117VT3P Armor AXC GRAND MEAN LSD (5%) C.V a Average yield for 2014 and b Average yield for 2012, 2014, and c Average number of plants per hybrid. 28

31 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 10. Performance of Irrigated Corn Hybrids, Marianna, Ark., 2015, continued. Soil Series: Soil ph: 7.5 Previous Crop: Calloway silt loam Corn Row Width: 38" Planting Date: April 9 Irrigation Dates: June 13, 29 July 11, 17, 30 August 6 Pre-plant Fertilizer 71 lb/a N, 69/lb A P 120 lb/a K, 24 lb/a S 10 lb/a Zn Sidedress Fertilizer: 161 lb/a N, May 27 Herbicide Application(s): Halex + Atrazine, April 9, 23 Harvest Date: August 31 }March 31 29

32 AAES Research Series 629 Table 11. Performance of Irrigated Corn Hybrids, Stuttgart, Ark., Brand/Hybrid Yield 2- Year a 3- Year b Grain Moisture (%) Stalk c Lodging Ear Height (in.) Tip d Cover Early- to Mid- Season Hybrids Pioneer P1637VYHR REV 25BHR BH 8735VTTP REV 23BHR Golden Acres G REV 22BHR Augusta A AgriGold A6501VT2RIB LG Seeds LG5638VT2RIB Dyna- Gro D54DC NK N78S REV 26BHR Croplan 6640VT3P BH 8688DG2P Dyna- Gro D55VP BH 8732VTTP MorCorn MC Progeny PGY 4115VT2P MorCorn MC DEKALB DKC GENSS AgriGold A6574VT2PRO Mycogen 2C BH 8660VTTP Dyna- Gro D55QC Armor A1621PRO DEKALB DKC GENVT2P Pioneer P1311YHR Armor A1414PDG MorCorn MCXP AgriGold A6659VT2RIB Dyna- Gro D54VP Mycogen X13726VH Augusta A Progeny PGY 4114VT2P DEKALB DKC GENVT2P DEKALB DKC GEN REV 24BHR Mycogen X13813VH AgriGold A6573VT2RIB AgriGold A6559VT2RIB Mycogen 2Y Dyna- Gro D56VC Progeny EXP16VT2P Golden Acres 26V NK N79Z

33 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 11. Performance of Irrigated Corn Hybrids, Stuttgart, Ark., 2015, continued. 2- Year a 3- Year b Grain Yield Moisture Stalk c Brand/Hybrid (%) Lodging Early- to Mid- Season Hybrids Continued Ear Height (in.) Tip d Cover Armor AXC Armor A0808PRO NK N76A- GT/CB/LL AgriGold A6579STX Progeny PGY 5115VT2P AgriGold A6499VT2RIB MorCorn MC LG Seeds LG5663VT2PRO NK N79M- GT/CB/LL Mycogen X13759S Mycogen 2C LG Seeds LG5618STXRIB NK N75H- 3010A Armor A1033PRO GRAND MEAN LSD (5%) C.V

34 AAES Research Series 629 Table 11. Performance of Irrigated Corn Hybrids, Stuttgart, Ark., 2015, continued. 2- Year a 3- Year b Grain Yield Moisture Stalk c Brand/Hybrid (%) Lodging Mid- to Full- Season Hybrids Ear Height (in.) Tip d Cover Pioneer P2160YHR Pioneer P1794VYHR AgriGold A6711VT2PRO Dyna- Gro CX DEKALB DKC GENVT2P Dyna- Gro D57VP DEKALB DKC GENVT2P Augusta A AgriGold A6719VT2PRO Croplan 8512DGVT2P Pioneer P1916YHR Armor AXC Augusta A Delta Grow DG REV 28HR DEKALB DKC GENVT2P Mycogen 2D Croplan 7927VT3P Delta Grow DG Armor AXC Augusta A MorCorn MC AgriGold A6687VT2PRO NK N83D- 3000GT Progeny PGY 4117VT3P GRAND MEAN LSD (5%) C.V a Average yield for 2014 and b Average yield for 2013, 2014, and c Average number of plants per hybrid. d Tip cover was rated as good (1), average (2), or poor (3). A rating of good was given when husks reached well beyond the end of the ear and fitted tightly. A rating of average was given when the husks reached the tip of the ear or fitted loosely. A rating of poor was given when ears were open to the weather. 32

35 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 11. Performance of Irrigated Corn Hybrids, Stuttgart, Ark., 2015, continued. Soil Series: Soil ph: 6.1 Crowley silt loam Preplant Fertilizer: 80 lb/a N, 90 lb/a P 90 lb/a K, 21 lb/a S 10 lb/a Zn }April 3 Previous Crop: Soybean Sidedress Fertilizer: 92 lb/a N, May 22, June 10 Row Width: 30" Planting Date: May 1 Irrigation Dates: June 11, 25 July 14, 23 August 12 Lime Application: 1800 lb/a, March 10 Herbicide Application(s): Dual Magnum + Atrazine, April 8 Harvest Date: September 16 33

36 AAES Research Series 629 Table 12. Performance of Irrigated Corn Hybrids, Rohwer, Ark., Brand/Hybrid Yield 2- Year a 3- Year b Grain Moisture (%) Ear Height (in.) Tip c Cover Plants Per Acre Early- to Mid- Season Hybrids BH 8735VTTP MorCorn MC BH 8688DG2P AgriGold A6659VT2RIB REV 23BHR Augusta A REV 25BHR BH 8732VTTP DEKALB DKC GENVT2P Augusta A Pioneer P1637VYHR Croplan 6640VT3P MorCorn MCXP Golden Acres G AgriGold A6501VT2RIB REV 26BHR AgriGold A6499VT2RIB Armor AXC MorCorn MC LG Seeds LG5618STXRIB NK N78S Dyna- Gro D55VP Armor A1621PRO Progeny PGY 5115VT2P Armor A1414PDG Dyna- Gro D56VC REV 24BHR BH 8660VTTP Mycogen X13726VH MorCorn MC AgriGold A6559VT2RIB Dyna- Gro D54DC Mycogen 2C Mycogen X13813VH Dyna- Gro D54VP LG Seeds LG5638VT2RIB Mycogen 2C NK N79M- GT/CB/LL LG Seeds LG5663VT2PRO DEKALB DKC GENVT2P Mycogen 2Y Progeny PGY 4114VT2P Mycogen X13759S Pioneer P1311YHR AgriGold A6579STX

37 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 12. Performance of Irrigated Corn Hybrids, Rohwer, Ark., 2015, continued. Brand/Hybrid Yield 2- Year a 3- Year b Grain Moisture (%) Ear Height (in.) Tip c Cover Plants Per Acre Early- to Mid- Season Hybrids Continued Dyna- Gro D55QC Armor A0808PRO DEKALB DKC GEN Golden Acres 26V REV 22BHR Progeny EXP16VT2P NK N76A- GT/CB/LL Armor A1033PRO NK N79Z AgriGold A6573VT2RIB Progeny PGY 4115VT2P AgriGold A6574VT2PRO NK N75H- 3010A DEKALB DKC GENSS GRAND MEAN LSD (5%) C.V

38 AAES Research Series 629 Table 12. Performance of Irrigated Corn Hybrids, Rohwer, Ark., 2015, continued. Brand/Hybrid Yield 2- Year a 3- Year b Grain Moisture (%) Ear Height (in.) Tip c Cover Plants Per Acre Mid- to Full- Season Augusta A Dyna- Gro D57VP Armor AXC Augusta A AgriGold A6719VT2PRO Pioneer P1794VYHR DEKALB DKC GENVT2P DEKALB DKC GENVT2P Pioneer P2160YHR AgriGold A6687VT2PRO Mycogen 2D AgriGold A6711VT2PRO REV 28HR Croplan 7927VT3P DEKALB DKC GENVT2P MorCorn MC Dyna- Gro CX Pioneer P1916YHR Armor AXC Delta Grow DG Augusta A Delta Grow DG Progeny PGY 4117VT3P Croplan 8512DGVT2P NK N83D- 3000GT GRAND MEAN LSD (5%) C.V a Average yield for 2014 and b Average yield for 2013, 2014, and c Tip cover was rated as good (1), average (2), or poor (3). A rating of good was given when husks reached well beyond the end of the ear and fitted tightly. A rating of average was given when the husks reached the tip of the ear or fitted loosely. A rating of poor was given when ears were open to the weather. 36

39 Arkansas Corn and Grain Sorghum Performance Tests 2015 Table 12. Performance of Irrigated Corn Hybrids, Rohwer, Ark., 2015, continued. Soil Series: Herbert silt loam Preplant Fertilizer: 78 lb/a K, Feb. 11 Soil ph: 7.2 Previous Crop: Soybean Row Width: 38" Planting Date: April 9 Sidedress Fertilizer: 150 units 32% N, May 14, 15 Herbicide Application(s): Dual II Magnum + Atrazine + Roundup PowerMax, April 9 Fungicide Application(s): Stratego Yield, July 11 Harvest Date: September 3 Irrigation Dates: June 11, 24, 30 July 14, 24 August ROHWER MONTHLY PRECIPITATION Actual (in.) Average (in.) APRIL MAY JUNE JULY AUGUST SEPT. TOTAL 37

40 AAES Research Series 629 Table 13. Performance of Irrigated Corn Hybrids, Bell Farming Company, Des Arc, Ark., Year a 3- Year b Grain Yield Moisture Stalk c Brand/Hybrid (%) Lodging Early- to Mid- Season Hybrids Ear Height (in.) Tip d Cover Pioneer P1637VYHR Dyna- Gro D54DC BH 8688DG2P AgriGold A6659VT2RIB Augusta A AgriGold A6559VT2RIB REV 25BHR REV 26BHR MorCorn MC DEKALB DKC GENVT2P Dyna- Gro D55QC MorCorn MCXP Armor A1414PDG Mycogen X13726VH Croplan 6640VT3P REV 23BHR BH 8732VTTP Dyna- Gro D56VC AgriGold A6501VT2RIB BH 8735VTTP Augusta A LG Seeds LG5638VT2RIB Dyna- Gro D54VP Armor A1621PRO NK N79Z REV 22BHR AgriGold A6499VT2RIB Progeny PGY 4114VT2P DEKALB DKC GENSS AgriGold A6579STX LG Seeds LG5663VT2PRO BH 8660VTTP NK N78S Progeny PGY 4115VT2P Mycogen 2C MorCorn MC AgriGold A6573VT2RIB LG Seeds LG5618STXRIB DEKALB DKC GENVT2P Golden Acres G Pioneer P1311YHR Progeny EXP16VT2P MorCorn MC Mycogen X13813VH Dyna- Gro D55VP