Soybean Yield along the Texas Gulf Coast during Periods of Variable Rainfall as Influenced by Soybean Cultivar and Planting Date
Table 5
Yield response of soybean cultivars to planting dates in Wharton and Victoria Counties, 2008.
Wharton
Victoria
MG
24 Mar
8 April
23 April
17 Mar
28 Mar
21 April
Kg/ha
Croplan 4757RR
4.7
1130
1628
1749
—
—
—
Croplan 4955RR
4.9
1356
1567
1594
1103
1237
1005
Croplan 5007RR
5.0
868
2024
1728
1042
1533
847
DP 5335RR
5.3
1459
1897
2071
1244
1292
1090
DP 5414RR
5.4
1137
1822
1399
1069
1426
511
HBK 4926 (C)
4.9
1480
1668
1897
1190
1459
962
HBK 5025 (C)
5
1406
1843
1769
1587
1628
0
HBK 5123RR
5.1
1338
1614
1426
1217
1433
565
HBK 5425RR
5.4
1634
2037
1083
1096
1520
0
Hoegemeyer 422NRS
4.2
1103
1399
1614
1285
1056
1224
Hoegemeyer 425NRS
4.2
1103
1116
1876
1130
847
1163
Hoegemeyer 480NRS
4.8
1103
1163
1554
1130
726
948
Hoegemeyer 487NRS
4.8
1042
1150
2010
1258
1163
908
Hoegemeyer 510NRS
5.1
1224
1258
1426
1183
1156
1184
NC+ 5A31RR
5.3
1520
1917
1917
—
—
—
NKS 49H7RR
4.9
1345
2246
1688
1083
1459
1217
NKS 49W6RR
4.9
1493
1749
1823
1291
1527
1103
NKS 52F2RR
5.2
1291
1802
1863
854
1224
0
Pioneer 94M71RR
4.7
1271
1715
1715
—
—
—
Pioneer 94M80RR
4.8
1372
2179
2179
1271
1311
1184
Vernal (C)
—
1311
1769
1177
1661
1957
0
LSD (0.05)
262
182
Abbreviations: (C), conventional cultivars; MG, maturity group; RR, Roundup-Ready cultivars. Vernal is not grouped into any maturity group (A. Scott, personal communication). Cultivars Croplan 4757RR, NC+ 5A31RR, and Pioneer 94M71RR not planted in Victoria County. A “0” indicates no yield obtained with that cultivar.
