The Georgia Agricultural Experiment Stations
College of Agricultural and Environmental Sciences
The University of Georgia		 Research Report
Number 668
November, 2000
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Tifton, Georgia: Short-Season Corn Hybrid Performance, 2000, Irrigated
      Yield1              
Company or Brand Name   Hybrid Name 2000 3-Year Average   Ears/100 Plants Ear Grain Weight Grain Quality2 Grain Moisture3 Plant Population Erect Plants
      bu/acre   no. lb rating % no. %
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Pioneer   31G98 229.3 .   110 0.40 1.8 13.4 28314 89
AgraTech   777 225.7 .   104 0.42 2.3 12.8 28096 97
DeKalb   DK679BtY 218.2 .   112 0.38 2.0 13.0 27987 97
Pioneer   3223 214.6 202.0   111 0.39 1.3 13.7 27116 96
Zimmerman   Z37 213.3 .   108 0.40 1.5 13.5 27225 86
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Southern States   SS729CL 212.2 .   102 0.41 1.5 12.7 27770 97
Garst   8222IT 211.6 .   99 0.44 1.8 14.9 27117 99
Funk's G   5516 207.2 190.7   105 0.39 1.3 13.2 27334 100
Southern States   SS769BT 204.3 .   106 0.38 1.5 13.3 27661 97
Croplan Genetics   TR1166Bt 203.5 .   108 0.37 1.8 13.3 27661 97
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Pioneer   3245-S 203.4 .   102 0.40 1.5 13.3 27552 98
AgriPro   HS 9843 201.6 183.7   108 0.38 1.3 13.1 26898 96
AgriPro   AP 9707 201.5 196.6   101 0.40 1.5 13.4 27661 94
DeKalb   DK 650 200.6 .   116 0.34 1.5 13.4 27443 99
DeKalb   DKC65-25 198.7 .   104 0.39 2.0 13.2 27007 97
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Pioneer   3245 198.5 201.7   100 0.42 1.5 13.5 26245 99
Pioneer   32k61 198.2 192.4   100 0.39 1.0 13.6 28097 99
Zimmerman   1851W 197.8 .   100 0.39 1.3 14.3 27987 80
Croplan Genetics   TR1106 196.9 .   100 0.40 2.3 13.4 26572 97
Funk's G   5510-A 195.3 194.5   102 0.43 2.0 15.1 25047 94
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AgraTech   787 194.7 196.0   103 0.39 1.5 13.1 26245 96
Pioneer   34B23 192.4 .   99 0.38 1.8 13.4 27661 95
Grabow   71611TC3-S 191.7 .   112 0.35 1.8 13.0 26463 97
Terra   TR1157 190.5 .   111 0.36 2.3 13.0 26136 97
Croplan Genetics   818 190.1 .   102 0.39 1.8 14.1 26790 98
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Funk' G   4581 189.6 187.0   101 0.37 1.8 12.9 27770 100
AgraTech   770 189.1 .   110 0.36 1.8 12.9 26027 96
Croplan Genetics   TR1129RR 187.9 .   104 0.35 2.0 13.0 27770 99
Southland Genetics   SG1611 187.3 .   117 0.34 1.8 13.1 25592 95
AgriPro   HY 9646 186.8 189.6   107 0.36 1.5 12.9 26463 88
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Southland Genetics   SG1580 185.6 .   99 0.39 2.3 13.5 26463 98
Asgrow   RX764 183.9 .   103 0.35 2.0 12.7 27879 100
Croplan Genetics   TR1089RR 174.8 .   99 0.36 2.0 12.9 26463 98

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Average   199.34 193.4   105 0.38 1.7 13.3 27106 96
LSD at 10% Level 18.1 9.0   5 0.03 0.6 0.4 1278 7
Std. Err. of Entry Mean 7.7 3.8   2 0.01 0.2 0.2 544 3
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1. Yields calculated at 15.5% moisture.
2. Grain quality rating: 1 = excellent to 5 = poor.
3. Grain moisture at harvest.
4. CV = 7.7%, and df for EMS = 96.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).
Planted: March 22, 2000.
Harvested: August 23, 2000.
Seeding Rate: 30,000 seeds/acre in 30" rows.
Soil Type: Tifton loamy sand.
Soil Test: P = High, K = Medium, and pH = 6.2.
Fertilization: 99 lb N, 130 lb P2O5, and 195 lb K2O/acre as preplant; 198 lb N/acre as sidedress.
Previous Crop: Soybean.
Management: Subsoiled, bedded, and rototilled; Aatrex, Prowl, and one cultivation used for weed control; Lorsban used for insect control; Nemacure used for nematode control; irrigated 11.0 inches.
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Test conducted by A. E. Coy and M. D. Pippin.
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