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ARS Home » Southeast Area » Stoneville, Mississippi » Crop Genetics Research » Research » Publications at this Location » Publication #168926

Title: REGISTRATION OF 'S01-9269' SOYBEAN GERMPLASM LINE RESISTANT TO SOYBEAN CYST NEMATODE WITH SEED OIL LOW IN SATURATES

Author
item SHANNON, J - UNIV OF MISSOURI
item SLEPER, DAVID - UNIV OF MISSOURI
item Arelli, Prakash
item Burton, Joseph
item Wilson, Richard
item ANAND, SAM - UNIV OF MISSOURI

Submitted to: Crop Science
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 1/12/2005
Publication Date: 7/14/2005
Citation: Shannon, J.G., Sleper, D.A., Arelli, P.R., Burton, J.W., Wilson, R.F., Anand, S.C. 2005. Registration of 's01-9269' soybean germplasm line resistant to soybean cyst nematode with seed oil low in saturates. Crop Science. 45:1673-1674.

Interpretive Summary: Worldwide, soybean yields are limited by the soybean cyst nematode (SCN). Also, lower saturated fatty acids in soybean oil will make the oil more healthful for human consumption. Soybean line S01-9269 was developed with the unique combination of low saturated fatty acids and resistance to the nematode and some fungal pathogens. Seed oil from this soybean averages half the saturated fatty acids as conventional soybean. The combination of traits in this soybean line should improve profits to growers of this line by decreasing losses caused by the nematode and provide a better product to consumers who use soybean oil with its lower saturated fatty acids.

Technical Abstract: Soybean [Glycine max (L) Merr.] germplasm line S01-9269 is an F4 selection composited in the F5 generation from the cross S94-1867 by a low palmitic acid F2 selection from [S93-1475 X (Holladay X CX1538-70-5)]. S01-9269 which averages 6.7% saturated fatty acid was selected and bulked for yield tests in the F5. It was evaluated with a mixture of soybean cyst nematode (SCN) HG types [0, 2-, and 1.3- (races 3, 5, and 14)] in the greenhouse and found to be resistant at USDA ARS, Jackson, TN and University of Missouri, Portageville, MO. S01-9269 is resistant to stem canker but susceptible to root-knot nematodes and Phytophthora root rot. Its maturity is mid maturity group V (relative maturity 5.5), and it has a determinate growth habit. It has white flowers, tawny pubescence, tan pods, and shiny yellow seed with black hila. S01-9269 was tested in Missouri in 2002 and 2003 research trials as well as in USDA ARS trials at Jackson, TN and in the 2003 Regional Group V Quality Traits test. In comparison to '5601T' (3410 kg/ha), S01-9269 averaged 10% less seed yield. Seeds of S01-9269 average 9 mg/seed heavier, 6 g/kg higher protein and 21 g/kg lower oil than seeds of 5601T (127 mg/seed, 431 g/kg protein and 198 g/kg oil). Total saturates (palmitate + stearate) ranged from 6.3 to 7.6% compared to average range of 14-15% saturates in commercial cultivars. S01-9269 has value as a parent in soybean improvement, especially in the Mid South region, because of its broad resistance to SCN and low saturated fatty acids.