Soybean Yield along the Texas Gulf Coast during Periods of Variable Rainfall as Influenced by Soybean Cultivar and Planting Date
Table 4
Yield response of soybean cultivars to planting dates in Wharton and Victoria Counties, 2007.
Wharton
Victoria
17 April
2 May
28 Mar
16 April
1 May
Kg/ha
DP 4888RR
4.8
2770
3302
2596
2515
955
DP 4919RR
4.9
2845
3934
3194
2314
1802
DP 5110S (C)
5.1
2932
3806
2038
2018
955
DP 5115RR
5.1
2838
3228
2542
2455
955
DP 5335RR
5.3
2851
3450
2838
1856
538
DP 5414RR
5.4
3854
3887
2683
1809
955
DG 31R54RR
5.4
3161
3255
2468
1029
538
DG 33B52RR
5.2
3463
3901
2993
2024
955
DG 33P54RR
5.4
3047
3659
2280
1695
538
DG 33Y45RR
4.5
2515
3349
2697
2482
2246
DG 3463RR
4.6
1836
2643
2717
2899
1903
DG 39F51RR
5.1
3807
3679
2919
2475
955
HBK 4924RR
4.9
3806
3585
3147
2603
955
HBK 4926 (C)
4.9
3786
3275
2670
1520
982
HBK 5025 (C)
5.0
4916
4466
2435
1856
538
HBK 5123RR
5.1
3638
3921
2529
2314
955
HBK 5425RR
5.4
3242
3437
3396
1150
538
HBK 5894 (C)
5.8
3914
3221
2084
1668
538
HBK 5941 (C)
5.9
4291
3437
2495
1675
538
NC+ 4A42RR
4.2
2723
3140
2764
2287
1587
NC+ 4A81RR
4.8
3046
3147
2051
2388
1769
NC+ 4A65RR
4.6
2959
3275
2024
2576
2065
NC+ 5A15RR
5.1
3706
3517
2899
1910
955
NKS 46U6RR
4.6
3443
3739
2408
2145
1769
NKS 49H7RR
4.9
3564
3827
2529
2246
955
NKS 49Q9RR
4.9
3921
3921
2388
2293
955
NKS 49W6RR
4.9
3867
4049
3026
2690
955
NK 452 (C)
5.2
3013
3275
2791
2219
1130
Pioneer 94M71RR
4.7
3376
3975
2018
2501
1870
Santa Rosa (C)
—
0
0
0
0
0
UA 4805 (C)
4.8
3235
3975
2206
1628
1197
Vernal (C)
—
1715
3564
2421
538
538
LSD (0.05)
356
309
Abbreviations: (C), conventional cultivars; MG, maturity group; RR, Roundup-Ready cultivars. Santa Rosa and Vernal are not grouped into any maturity group (A. Scott, personal communication). No yield obtained with Santa Rosa.