Soybean Yield along the Texas Gulf Coast during Periods of Variable Rainfall as Influenced by Soybean Cultivar and Planting Date

Table 3

Yield response of soybean cultivars to planting dates in Wharton and Victoria Counties, 2006.

Cultivar^a,b		Wharton County			Victoria County
	MG^a	15 Mar	4 April	18 April	14 Mar	28 Mar	11 April
	Kg/ha
AG 4703RR	4.7	652	1836	2832	572	834	229
AG 4801RR	4.8	1224	1573	2569	646	760	699
AG 4903RR	4.9	807	2501	2979	847	—	282
AG 5301RR	5.3	1520	686	1069	1164	551	363
Croplan 4655RR	4.6	1009	1661	3114	625	780	309
Croplan 4955RR	4.9	1406	2697	1917	968	—	289
Croplan 4992RR	4.9	726	1971	2838	753	—	585
DG 33B52RR	5.2	1634	1742	1177	968	605	679
DG 3481RR	4.8	1237	1540	3040	605	585	666
DG 36Y48RR	4.8	1675	2441	2885	753	—	820
DG 37G52RR	5.2	1843	3074	1876	908	901	625
DK 4866RR	4.8	1567	2448	2926	—	868	894
DK 5066RR	5.0	1567	2475	2663	—	—	—
DP 4919RR	4.9	894	1964	2448	841	975	538
DP 5110S (C)	5.1	1648	2448	1567	1096	1251	323
DP 5115RR	5.1	1022	2206	2058	995	—	377
DP 5414RR	5.4	2556	2656	2441	834	—	531
Garst 4612RR	4.6	794	1749	3019	814	874	720
Garst 4999RR	4.9	2334	3242	3369	780	—	720
HBK 4926 (C)	4.9	1782	2562	834	1137	989	242
HBK 5025 (C)	5	1769	2603	551	1715	1372	457
HBK 5123RR	5.1	1957	2253	1083	1042	—	498
HBK 5894 (C)	5.8	1554	1755	336	1304	336	87
NC+ 4A42RR	4.2	1836	2084	2616	693	834	551
NC+ 4A81RR	4.8	881	1721	1910	888	659	572
NC+ 465RR	4.6	1285	1648	2542	437	531	847
NC+ 5A15RR	5.1	881	1722	1910	551	659	572
NK 452 (C)	5.2	1883	2831	726	1157	1211	343
NKS 49-T1RR	4.9	1776	2428	1876	1029	807	114
Pioneer 94M90RR	4.9	1991	2273	2851	968	—	646
UA 4805 (C)	4.8	942	538	531	525	350	410
LSD (0.05)			437			215

aAbbreviations: (C), conventional cultivars; MG, maturity group; RR, Roundup-Ready cultivars.
bCultivar DG 5066RR not planted at Victoria County. Other locations or planting dates with “—” indicates not harvested.