The Georgia Agricultural Experiment Station
College of Agricultural and Environmental Sciences
The University of Georgia

Research Report Number 659
August 1999



Oat

Tifton, Georgia:
Oat Forage Performance, 1998-99
    Dry Matter Yield
    Harvest Date   Season Totals
Brand-Variety   12-2-98 12-18-98 1-26-99 2-12-99 3-10-99 3-30-99 4-10-99   1999 2-Yr Avg
    -------------------------------------------------- lb/acre ---------------------------------------------
 
Harrison   603 806 1140 980 668 1089 1546   6832 6398
Simpson   610 704 1053 849 987 1235 1387   6824 6453
Ozark   458 617 1089 987 1176 1263 1104   6694 6430
Rodgers   646 675 1271 770 516 987 1691   6556 6444
Arkansas Co. 811   545 610 1125 1045 610 1024 1431   6389 .
 
FLX502-1-B-Q1   603 704 1329 835 509 987 1351   6317 6290
Arkansas Co. 604   501 574 820 994 886 1104 1438   6316 6061
Chapman   704 690 1147 849 458 1045 1394   6288 5943
NK-Coker 227   632 625 1111 886 538 936 1539   6266 6148
Southern States SS-76-30   588 697 958 893 842 1038 1242   6258 .
 
Secretariat   770 625 980 893 610 1016 1343   6236 .
FL920HR31-314   610 617 1111 958 799 1009 1104   6208 6166
FL920HR26-763-W1   501 675 1293 748 501 1052 1249   6019 .
LA90104C22-7-4-1   545 748 1206 675 414 944 1329   5860 .
LA90117C3-1-AB2   458 719 1198 697 436 907 1213   5627 .
 
Iapar I-61   762 581 501 596 385 690 617   4132 .
 
Average   596 667 1083 853 646 1020 1311   61761 6259
LSD at 10% Level 108 98 94 95 91 124 176   433 266
Std. Err. of Entry Mean 46 42 40 40 38 52 74   182 112
1.  C.V. = 5.9%, and df for EMS = 45.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).
Planted: October 26, 1998.
Seeding Rate: 4 bu/acre in 7" rows.
Soil Type: Tifton loamy sand.
Soil Test: P = High, K = Medium, and pH = 6.1.
Fertilization: Preplant: 40 lb N, 40 lb P2O5, and 40 lb K2O/acre.
  Topdress: 50 lb N/acre after 1st, 2nd, 3rd, 4th, 5th, and 6th harvests.
Management: Moldboard plowed and bedded with rototiller.
Previous Crop: Grain sorghum.
 
Test conducted by A. E. Coy and M. D. Pippin.



Plains, Georgia:
Oat Forage Performance, 1998-99
    Dry Matter Yield
    Harvest Date   Season Totals
Brand-Variety   12-10-98 1-21-99 2-8-99 3-4-99 3-29-99 4-22-99   1999 2-Yr Avg
    --------------------------------------------- lb/acre ---------------------------------------------
 
Ozark   741 356 936 1351 1713 1477   6573 5908
Harrison   1031 596 900 995 1380 1642   6542 6038
NK-Coker 227   820 487 973 1075 1394 1554   6302 5797
Rodgers   1024 538 907 973 1300 1546   6287 5926
FL920HR31-314   922 465 922 1162 1503 1295   6268 5831
 
Secretariat   886 385 980 1162 1372 1416   6200 .
Arkansas Co. 811   936 458 936 980 1488 1380   6178 .
Simpson   813 414 929 1198 1459 1336   6150 5966
FLX502-1-B-Q1   1104 596 835 900 1358 1319   6110 5569
Arkansas Co. 604   690 305 864 1249 1452 1459   6019 5601
 
FL920HR26-763-W1   1169 581 762 907 1372 1191   5982 .
LA90117C3-1-AB2   1016 487 683 828 1372 1452   5837 .
LA90104C22-7-4-1   1140 480 646 748 1307 1442   5763 .
Southern States SS-76-30   777 407 893 1118 1401 1162   5758 .
Chapman   951 603 907 632 1053 1481   5626 5306
 
Iapar I-61   914 116 128 465 815 703   3141 .
 
Average   933 454 825 984 1359 1366   59211 5771
LSD at 10% Level 103 59 71 97 102 166   285 247
Std. Err. of Entry Mean 44 25 30 40 43 70   120 105
1.  C.V. = 4.0%, and df for EMS = 45.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).
Planted: October 22, 1998.
Seeding Rate: 4 bu/acre in 7" rows.
Soil Type: Greenville sandy clay loam.
Soil Test: P = Medium, K = High, and pH = 6.1.
Fertilization: Preplant: 59 lb N, 54 lb P2O5, and 27 lb K2O/acre.
  Topdress: 50 lb N/acre after 1st, 2nd, 3rd, 4th, and 5th harvests.
Management: Subsoiled twice, prebedded and bedded with rototiller.
Previous Crop: Peanut.
 
Test conducted by A. E. Coy, M. D. Pippin, and R. R. Pines.



Griffin, Georgia:
Oat Forage Performance, 1998-99
    Dry Matter Yield
    Harvest Date   Season Totals
Brand-Variety   12-7-98 2-15-99 3-24-99 4-21-99 5-20-99   1999 2-Yr Avg
    --------------------------------------------- lb/acre ---------------------------------------------
 
Simpson   833 2038 1862 2950 1811   9493 8005
Ozark   599 2030 1845 3203 1329   9005 7440
Rodgers   1080 2280 811 2724 1789   8683 7770
Southern States SS-76-30   901 2135 1529 2947 1132   8643 .
Secretariat   941 1996 1393 2602 1626   8558 .
 
FL920HR26-763-W1   1146 2186 1080 2412 1436   8259 .
FL920HR31-314   955 2118 1096 2497 1589   8254 7166
Harrison   919 2238 943 2445 1564   8108 6977
FLX502-1-B-Q1   1055 2137 1218 2454 1227   8090 7246
Arkansas Co. 811   928 2115 867 2873 1286   8070 .
 
LA90117C3-1-AB2   1045 1762 1099 2357 1557   7819 .
Arkansas Co. 604   526 1816 1292 2348 1674   7655 6518
LA90104C22-7-4-1   1067 1512 946 2412 1134   7071 .
Chapman   920 1983 708 2312 979   6902 6086
Iapar I-61   1073 600 469 1520 912   4573 .
 
Average   933 1930 1144 2537 1403   79451 7145
LSD at 10% Level 231 292 238 352 217   619 518
Std. Err. of Entry Mean 98 123 100 148 91   260 204
1.  C.V. = 6.6%, and df for EMS = 42.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).
Planted: October 5, 1998.
Seeding Rate: 4 bu/acre in 7" rows.
Soil Type: Cecil clay loam.
Soil Test: P = Medium, K = Medium, and pH = 5.6.
Fertilization: Preplant: 49 lb N, 98 lb P2O5, and 147 lb K2O/acre.
  Topdress: 50 lb N/acre after 1st, 2nd, 3rd, and 4th harvests.
Management: Moldboard plowed and rototilled.
Previous Crop: Corn.
 
Test conducted by J. L. Day.



Statewide Summary:
Oat Forage Performance, 1997-99
with Two- and Three-Year Averages
  Dry Forage Yield
  Tifton   Plains   Griffin   Statewide
Brand-Variety 1999 3-Year
Average		   1999 3-Year
Average		   1999 3-Year
Average		   1999 2-Year
Average		 3-Year
Average
  ------------------------------------------------------- lb/acre -------------------------------------------------------
 
Arkansas Co. 604 6316 .   6019 .   7655 .   6663 6060 .
Arkansas Co. 811 6389 .   6178 .   8070 .   6879 . .
Chapman 6288 5726   5626 4626   6902 6434   6272 5778 5596
FL920HR26-763-W1 6019 .   5982 .   8259 .   6753 . .
FL920HR31-314 6208 .   6268 .   8254 .   6910 6371 .
 
FLX502-1-B-Q1 6317 .   6110 .   8090 .   6839 6368 .
Harrison 6832 6112   6542 5335   8108 7169   7161 6471 6205
Iapar I-61 4132 .   3141 .   4573 .   3948 . .
LA90104C22-7-4-1 5860 .   5763 .   7071 .   6231 . .
LA90117C3-1-AB2 5627 .   5837 .   7819 .   6428 . .
 
NK-Coker 227 6266 5897   6302 5328   . .   . . .
Ozark 6694 6250   6573 5216   9005 7438   7424 6593 6301
Rodgers 6556 6203   6287 5122   8683 8215   7175 6713 6514
Secretariat 6236 .   6200 .   8558 .   6998 . .
Simpson 6824 .   6150 .   9493 .   7489 6808 .
 
So. States SS-76-30 6258 .   5758 .   8643 .   6886 . .
 
Average 6176 6038   5921 5125   7945 7314   6670 6395 6154
LSD at 10% Level 433 223   285 254   619 625   534 289 223
Std. Err. of Entry Mean 182 78   120 89   260 205   197 132 135
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).