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Portageville, Pemiscot County
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*Our next field day will be held September 2, 2008.
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Director:
Jake Fisher
P. O. Box 160
Portageville, MO 63873
Phone: 573-379-5431
Fax: 573-379-5875
Email:FisherJ@missouri.edu
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New Developments In Soybean Breeding
Dr. Grover Shannon, Professor of Agronomy, Haggard Endowed Chair,
Dr. D.A. Sleper, Dr. H.T. Nguyen, Dr. S.C. Anand, Dr. J.A. Wrather, Dr. P.R. Arelli,
Dr. W.J. Wiebold and Dr. W.E. Stevens
Special thanks and consideration is extended to very valuable full
time and temporary employees of the soybean project at the Delta
Center. Fulltime team members include: Teresa Newman, Senior
Research Specialist; Melissa Woolard, Senior Research Specialist;
Ryan Eddy, Research Specialist; Tina Clark, Senior Lab Technician;
and Daniel Sutton, Farm Worker I. Temporary employees are: Teresa
Mayberry, Doyle Cronan, Brenda Gerrolds, Sarah Hoggard, Christy
Gilboe and Daniel Eddy.
The University of Missouri Delta Center is involved in a
comprehensive soybean breeding program to develop productive
conventional and Roundup Ready soybeans with resistance to
nematodes, diseases, stress tolerance, and flood tolerance for feed,
food, and industrial products. The purpose of our effort is to
develop high yielding soybean varieties with added value for the
benefit of farmers, agricultural businesses and consumers throughout
the state and nation. Some of the accomplishments in the soybean
breeding program are as follows:
| | 1) Development of Promising Roundup Ready and Conventional Strains
Late group IV and early group V Roundup Ready and conventional lines have been developed. Preliminary Delta Center tests show yields are excellent compared to best products from commercial companies. Several of these strains are being increased for possible release with resistance to SCN populations and good adaptation across soil types. Performance of a promising early group V RR strain S02-611RR is shown in Table1. Performance of promising Conventional strains is shown in Table 2. |
Table 1- Performance of S02-611RR, early group V soybean line
evaluated in SEMO and Uniform Preliminary V 2002-2003 Versus DK
5366RR, AG 5501 and AG5603.
| Line | (Bu/A)
2 Yr Mean | 2003
U Prel. V | MAT | HT | LOD | SCN | FELS | Stem Canker |
| S02-611RR | 51.7 | 52.2 | 10/6 | 31 | 2.1 | R3 | R | R |
| AG 5603 | - | 45.9 | - | - | - | - | - | - |
| DK 5366RR | 52.1 | - | 10/10 | 33 | 2.5 | S | R | R |
| AG 5501 | 51.3 | - | 10/06 | 31 | 1.7 | R3,14 | MS-MR | R |
| #Tests | 6 | 9 | 6 | 6 | 6 | | | |
Table 2- Performance of S00-9925-10 and S00-9970-09 versus
checks in Delta Center trials, 2001-2003, and the Regional Uniform
tests - Southern States 2003.
| |
Yield, BU/A |
| |
Delta Center Tests 2001-2003 |
US Regional Tests, 2002-03 |
| Line |
Loam |
Clay |
Sand |
Mean |
| S00-9925-10 |
63.6 |
56.1 |
41.8 |
55.9 |
54.2 |
| Manokin |
52.1 |
50.6 |
33.4 |
47.2 |
51.4 |
| # Tests |
5 |
5 |
3 |
13 |
12 |
| |
|
|
|
|
|
| S00-9980-09 |
61.1 |
57.1 |
46.9 |
56.3 |
54.7 |
| Anand |
61.5 |
46.7 |
43.6 |
51.7 |
- |
| A5959 |
59.0 |
53.8 |
46.0 |
54.0 |
- |
| P9594 |
- |
- |
- |
- |
53.1 |
| # Tests |
5 |
5 |
3 |
13 |
9 |
| | 2)Development of Productive Soybeans with Superior Cooking Oil Stability and Low in Saturates
Soybean oil with lower saturates, low linolenic acid and mid-oleic acid is in demand because it will have improved health benefits, improved stability, and will be better for biodiesel and other industrial products. We have developed strains with improved oil traits that will reduce the need for hydrogenation and undesirable trans-fatty acids that increase blood serum cholesterol and cardiovascular disease. These lines with modified oil content are being yield tested in 2004. Addition of the RR trait into these strains is a high priority.
|
| | 3)Development of Soybeans for Natto and Tofu
Large seeded soybeans (>20 grams/100 seed) and small seeded soybeans (<10 grams/100 seed) in maturity group IV and V are being developed for the tofu and natto markets, respectively. |
| | 4)Evaluation of Soybean Varieties under Soil Waterlogging
The objective of this project is to identify the most tolerant soybean varieties and germplasm lines to excess soil water. Over 360 varieties were screened for tolerance to excess water for about two weeks at flowering to early pod fill in both 2002 and 2003. All varieties were injured and most were killed under the severe conditions. Varieties in maturity groups III, IV and V that showed better soil waterlogging tolerance compared to others based on two years data on a Sharkey clay Soil at Portageville, MO are as follows: |
| |
Group III**
|
| |
2002 Score |
2003 Score |
Mean Score |
| *Arrow A 3883 RR/N |
2.7 |
2.7 |
2.7* |
| *Dekalb DKB 38-52 |
3.0 |
2.5 |
2.8* |
| Kruger K-383 RR |
3.7 |
3.3 |
3.5 |
| *Lewis 3555RR |
2.0 |
2.0 |
2.0* |
| Midwest Seed GR3732 |
3.3 |
3.7 |
3.5 |
| NC+3A92 RR |
3.7 |
3.3 |
3.5 |
| Prairie Brand PB 3621 RR |
2.7 |
3.7 |
3.2 |
| Prairie Brand PB 3921 NRR |
3.7 |
3.3 |
3.5 |
| Thompson T-3838 RR/N |
3.3 |
3.0 |
3.2 |
| Thompson T-3999 RR/N |
3.3 |
3.3 |
3.3 |
| Wilcross RR 2383 N |
3.7 |
3.0 |
3.4 |
| Wilcross RR 2353 N |
3.7 |
3.0 |
3.4 |
| |
Group IV**
|
| |
2002 Score |
2003 Score |
Mean Score |
| Armor 44-R4 |
3.7 |
3.0 |
3.4 |
| Delta King 4868 RR |
4.3 |
2.3 |
3.3 |
| Deltapine DP 4690 RR |
4.0 |
3.0 |
3.5 |
| Deltapine DP 4431RR |
3.0 |
3.5 |
3.3 |
| Deltapine DP 4446RR |
4.0 |
3.0 |
3.5 |
| Garst D 484 RR/N |
3.7 |
3.0 |
3.4 |
| *Hornbeck HBK R4920 |
3.0 |
2.5 |
2.7* |
| Merschman Denver |
2.7 |
4.0 |
3.4 |
| Merschman Phoenix |
3.3 |
3.3 |
3.3 |
| MFA Morsoy RT 4480N |
3.7 |
3.0 |
3.5 |
| *MFA Morsoy RT4809 |
3.3 |
2.0 |
2.7* |
| Midland 9A 442 NRR |
4.0 |
3.0 |
3.5 |
| MPV 4102nRR |
4.0 |
2.5 |
3.3 |
| *NK S49-Q9 |
3.0 |
2.0 |
2.5* |
| *P94B13 |
2.3 |
2.0 |
2.1* |
| *P94B73 |
2.0 |
2.0 |
2.0* |
| *P94B74 |
3.3 |
2.7 |
3.0* |
| Progeny 4401 RR |
4.0 |
3.0 |
3.5 |
| *Progeny 4910 |
3.0 |
3.0 |
3.0* |
| *Southern Cross Titus |
3.0 |
2.5 |
2.7* |
| *Stine 4202 |
3.7 |
2.0 |
2.8* |
| Thompson T 4848 RR/N |
3.3 |
3.0 |
3.2 |
| |
Group V**
|
| |
2002 Score |
2003 Score |
Mean Score |
| *Armor 52-C2 |
2.7 |
2.0 |
2.4* |
| Armor 53-K3 |
3.3 |
2.0 |
2.7* |
| *Armor 56-J6 |
3.3 |
3.0 |
3.2* |
| AG 5301 |
3.7 |
3.0 |
3.4 |
| Delta King 5366 RR |
3.7 |
2.7 |
3.2 |
| *Delta King 5668 RR |
3.0 |
3.0 |
3.0* |
| Deltapine 5634 RR |
4.0 |
2.0 |
3.0 |
| Excel Brand 8528 NRR |
4.0 |
2.5 |
3.3 |
| *Golden Harvest H5492 |
3.3 |
2.5 |
2.9* |
| HBK 5620 |
4.0 |
2.0 |
3.0 |
| MFA RT5442 N |
3.0 |
3.0 |
3.0* |
| Progeny 5660 RR |
4.3 |
2.0 |
3.2 |
| *Vigoro V 562 N RR |
3.0 |
2.0 |
2.5* |
* Indicates the most tolerant MG III, IV, and V varieties based on two years of tests.
** Data based on scores from 1 no flood injury to 5 all plants dead. Tests were rated after flooding plots for 10 days to two weeks. Then, plots were flooded a second time for ten days to two weeks and rated again. Ratings are based on plant recovery after the second flood. Only lines showing tolerance based on two years of data are included. 365 varieties were screened in 2002 and 361 varieties were screened in 2003. Varieties evaluated included from 115 to 133 group III; 145 to 161 group IV and 83 to 89 group V depending on the year.
Appreciation is extended to the Missouri soybean growers, the Missouri Soybean Merchandising Council, the United Soybean Board and Senator Bond and Congresswoman Emerson for their financial support to make soybean breeding research at the Delta Center possible.
2004 Field Day Report
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