Research Article

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

Table 8

Days from planting to harvest in 2007.

Cultivar Wharton CountyVictoria County
17 Apr2 May28 Mar16 Apr1 May

Number of days
DP 4888RR154139138113146
DP 4919RR154139124104142
DP 5110S (C)162146138113146
DP 5115RR162146138113146
DP 5335RR154139124113146
DP 5414RR147132124113146
DG 31R54RR154139132113146
DG 33B52RR146139124113146
DG 33P54RR154139132113146
DG 33Y45RR14613912490118
DG 3463RR14613112490118
DG 39F51RR147139124104146
HBK 4924RR154139124113146
HBK 4926 (C)146131124104142
HBK 5025 (C)146131124113146
HBK 5123RR154139138113146
HBK 5425RR154139132113146
HBK 5894 (C)154139138113146
HBK 5941 (C)147139138113146
NC+ 4A42RR146131124104142
NC+ 4A81RR146131124104142
NC+ 4A65RR147139138105113
NC+ 5A15RR154139132113146
NKS 46U6RR154139124105113
NKS 49H7RR154139138113146
NKS 49Q9RR147132138104146
NKS 49W6RR146131124104146
NK 452 (C)147132124104142
Pioneer 94M71RR134119138105113
Santa Rosa (C)
UA 4805 (C)154139124104142
Vernal (C)154139147145146
LSD (0.05)711

For all cultivars, paraquat at 0.25 kg/ha was applied when at least 70% of the seed pods had reached a mature brown color and when seed moisure was 25% or less. Cultivars were harvested within 3 to 5 d when seed moisture was approximately 12%. No yield obtained with Santa Rosa.
Abbreviations: C, conventional cultivars; RR, Roundup Ready cultivars.