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1998 Soybean Variety Trials

Location 3. Grower Cooperator - Steve Williams' Farm, Olive Branch

Soil type Collins silt loam
Soil pH 6.6
Soil fertility P-H+, K-H
Fertilizer added 0-18-36 @ 200 lb/A
Herbicide application Preplant - Squadron @ 3 pt/A
Postemergence - Classic @ .5 oz/A + Select @ 8 oz/A
Planting date April 23, 1998
Harvest date Group IV: September 14
Group V: September 24


Location Summary

This test was planted under good conditions. Growth was good in the early season. However, dry conditions in June stressed all plots. Timely rainfall in July promoted recovery, but this site still experienced some yield loss. Harvest conditions were excellent.


Rainfall Summary

  Inches   Rainfall Summary Graph
April 8.24
May 1.71
June 1.09
July 9.96
August 2.54
September 1.70
Total 25.24


Table 47. Maturity Group IV Early Soybeans Planted April 23, 1998, in Olive Branch, DeSoto County.1,2
Variety Brand Yield Maturity date3 Plant height Lodging score
1996 1997 1998
  bu/A bu/A bu/A   in  
DP 3478 Deltapine 61.9 74.3 64.1 -- 35 3
HBK4755 Hornbeck -- 59.5 59.8 -- 30 2
AP 4880 Agripro 58.5 69.9 54.8 -- 33 2
HY 4540 HyPerformer 50.7 51.3 54.6 -- 28 2
TN4-94 Public 43.2 54.3 54.3 -- 41 3
TV4664 Terral -- 63.1 53.6 -- 28 2
X9240RR Delta King -- -- 53.0 -- 40 2
TV 4479 Terral 46.4 53.7 51.8 -- 26 2
HBK 4600 Hornbeck -- -- 50.3 -- 28 2
A4604 Asgrow -- -- 50.0 -- 30 2
A4341 Asgrow 30.1 49.5 49.7 -- 21 2
STRESSLAND Public 42.5 57.8 46.4 -- 26 2
TN4-86 Public 45.8 50.7 46.1 -- 37 3
S46-44 NK -- 55.4 43.9 -- 31 2
TS 4792 Terra -- -- 42.9 -- 37 2
Overall Mean 43.9 57.9 51.7  
LSD (.10) 9.0 5.3 7.4  
Error degrees of freedom 28 20 28  
CV (%) 14.8 6.5 10.3  
R2 (%) 72 89 85  
1Collins Silt Loam Soil.
2All are released varieties.
3Data not taken.



Table 48. Maturity Group IV Late Soybeans Planted April 23, 1998, in Olive Branch, DeSoto County.1
Variety Brand Yield Maturity date2 Plant height Lodging score
1996 1997 1998
  bu/A bu/A bu/A   in  
Dixie 478 Dixie 54.9 63.2 60.4 -- 39 2
FFR 495 Elite -- -- 59.0 -- 41 2
HBK X9749 (E)3 Hornbeck -- -- 57.7 -- 34 2
KS 4895 Public 51.3 69.8 57.4 -- 42 2
DP 3478 Deltapine 61.9 74.3 57.0 -- 32 3
DPX 8S49 (E)3 Deltapine -- -- 56.3 -- 40 2
A4922 Asgrow 51.7 61.8 55.9 -- 35 2
9482 Pioneer -- 74.9 55.5 -- 30 2
TV 4975 Terral -- 51.4 53.6 -- 41 2
Genesis 9482 Genesis -- -- 51.6 -- 34 2
HBK 4890 Hornbeck -- 54.5 51.1 -- 39 2
TV 4770 Terral 43.1 49.1 49.7 -- 34 3
9492 Pioneer -- -- 48.8 -- 29 2
9511 Pioneer 42.7 66.5 46.9 -- 44 3
RVS 490 Riverside -- 65.6 46.5 -- 45 3
HBK 5149 Hornbeck -- 63.4 44.9 -- 22 1
HBK 49 Hornbeck 37.1 54.1 42.3 -- 43 3
Manokin Public 48.5 70.8 39.0 -- 20 1
3495 Dyna-Gro 33.3 49.7 38.7 -- 45 4
Overall Mean 47.0 59.4 51.2  
LSD (.10) 8.1 7.4 9.3  
Error degrees of freedom 56 50 36  
CV (%) 12.6 9.1 13.2  
R2 (%) 72 77 74  
1Collins Silt Loam Soil.
2Data not taken.
3(E) = Experimental.



Table 49. Maturity Group V Early Soybeans Planted April 23, 1998, in Olive Branch, DeSoto County.1
Variety Brand Yield Maturity date Plant height Lodging score
1996 1997 1998
  bu/A bu/A bu/A   in  
95B33 Pioneer -- -- 60.7 9/18 21 1
DPX 8S56 (E)2 Deltapine -- -- 59.1 9/16 30 2
X9855 (E)2 NK -- -- 57.4 9/18 21 1
DP 3519s Deltapine 55.5 67.5 56.0 9/19 20 1
A5547 Asgrow 67.2 69.2 54.8 9/20 20 1
Genesis 9511 Genesis -- -- 54.3 9/18 21 1
DG500A (E)2 DEKALB -- -- 54.2 9/19 28 2
V89-805 (E)2 Public -- -- 54.0 9/18 21 1
DK 5850 Delta King 65.7 67.7 53.9 9/18 23 1
TV5495 Terral 55.7 68.7 52.9 9/20 27 1
DP 5354 Deltapine -- 64.9 52.3 9/19 25 2
HY 574 HyPerformer 64.2 76.2 51.6 9/18 23 1
X9851 (E)2 NK -- -- 50.7 9/18 16 1
RVS 549 Riverside 56.1 70.1 49.2 9/15 20 1
Hutcheson Public 61.5 74.4 48.8 9/18 19 1
9511 Pioneer -- -- 48.7 9/20 40 2
V90-1012 (E)2 Public -- -- 48.3 9/16 19 1
DG500B (E)2 DEKALB -- -- 46.7 9/19 23 1
55 Buckshot 64.6 65.5 46.3 9/24 23 1
A5704 Asgrow -- -- 46.1 9/16 22 1
RVS 529I Riverside 29.9 57.8 44.3 9/18 47 3
H5050 Hartz 55.7 75.5 43.8 9/19 26 2
Essex RSVI (E)2 Public -- -- 43.4 9/16 18 1
R Robin-5 Riverside 60.4 71.7 41.8 9/20 20 1
Delsoy 5500 Public 56.1 60.5 41.3 9/17 19 1
S57-11 NK 55.9 59.3 40.4 9/15 22 1
RVS 77 Riverside 51.5 66.9 40.3 9/12 23 1
AP 572STS Agripro -- -- 39.6 9/19 21 1
Essex Public -- -- 39.3 9/22 18 1
TN5-95 Public 57.9 65.1 37.4 9/19 19 1
X9450RR Delta King -- -- 35.0 9/15 21 1
RVS 520 Terra -- -- 32.8 9/16 38 2
Overall Mean 54.7 67.1 47.7  
LSD (.10) 6.8 5.8 8.7  
Error degrees of freedom 88 58 62  
CV (%) 9.1 6.3 13.4  
R2 (%) 80 76 82  
1Collins Silt Loam Soil.
2(E) = Experimental.



Table 50. Maturity Group V Late Soybeans Planted April 23, 1998, in Olive Branch, DeSoto County.1
Variety Brand Yield Maturity date Plant height Lodging score
1996 1997 1998
  bu/A bu/A bu/A   in  
Caviness Public -- 74.1 45.5 9/16 21 1
HBK X571-98 (E)2 Hornbeck -- -- 42.6 9/19 19 1
A5843 Asgrow 59.9 70.6 42.5 9/22 24 1
3576 Dyna-Gro 57.8 68.9 42.1 9/20 20 1
S51-00 NK -- -- 42.1 9/24 35 2
HBK 5990 Hornbeck -- 71.7 41.4 9/20 22 1
A5848 Asgrow 64.5 67.6 41.4 9/24 23 1
A5959 Asgrow 75.7 78.8 40.9 9/20 21 1
V91-3036 (E)2 Public -- -- 40.7 9/24 24 1
UARK-5896 Public 56.7 67.7 39.9 9/20 24 1
CX570C DEKALB -- 72.8 39.5 9/24 21 1
Hutcheson Public 60.5 72.9 39.3 9/20 22 1
DT95-15091 (E)2 Public -- -- 39.2 9/21 34 2
DG858 (E)2 DEKALB -- -- 38.9 9/24 20 1
DK5995 Delta King -- 78.6 37.8 9/20 22 1
DG758 DEKALB -- 72.2 37.5 9/20 25 1
S59-60 NK 63.4 70.1 37.5 9/24 21 1
FFR 597 Elite -- -- 37.4 9/16 25 1
HBK 5770 Hornbeck -- 66.9 36.4 9/24 28 1
DT95-15550 (E)2 Public -- -- 36.2 9/20 25 1
DT95-17556 (E)2 Public -- -- 35.9 9/21 20 1
9594 Pioneer 63.7 78.2 35.0 9/20 25 1
TV 5893 Terral 51.8 71.7 34.2 9/15 29 1
TV5926 Terral -- 61.1 34.2 9/21 24 1
UARK-5798 Public 51.4 71.6 33.1 9/24 22 1
DPX 8S59 (E)2 Deltapine -- -- 30.2 9/15 29 2
A5944 Asgrow 64.5 73.4 30.1 9/19 21 1
DG759 DEKALB -- 60.8 28.8 9/24 17 1
DP 3588 Deltapine 58.2 60.9 27.1 9/20 31 2
Overall Mean 56.9 69.1 37.5  
LSD (.10) 5.2 5.0 10.5  
Error degrees of freedom 60 52 56  
CV (%) 6.7 5.3 20.4  
R2 (%) 86 78 48  
1Collins Silt Loam Soil.
2(E) = Experimental.

 

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