Narrative
Soybean germplasm lines S01-9364 and S01-9391 were developed and released by the University of Missouri Agricultural Experiment Station and the USDA-ARS. S01-9364 and S01-9391 are late group V maturity (relative maturity 5.7) with a determinate growth habit. S01-9364 has purple and white flowers, gray pubescence and tan pods. Seeds are shiny yellow seed with buff hila. S01-9391 has purple flowers tawny pubescence and tan pods. Seeds are shiny yellow with black hila. Both lines were tested in Missouri in research trials at five southeast Missouri locations from 2003 to 2005. In comparison to Anand, S01-9364 and S01-9391 averaged up to 9% more seed yield, one day later, 10 cm taller and were more susceptible to lodging, averaged 1.6 to 2.1 g/100 seed-1 smaller seed, and had similar protein and oil contents compared to Anand. Mean linolenic acid content of both lines over three years ranged from 34 g kg-1 to 41 g kg-1 and averaged 37 g kg-1 compared to an average of 75 g kg-1 for Anand. S01-9364 and S01-9391 are moderately resistant to populations of SCN HG types 2.5.7, 1.2.5.7, 0, 2-, and 1.3- (formerly race 1, 2, 3, 5, and 14) based on greenhouse screening at Columbia and Portageville, MO during 2003 and 2005. SCN female indexes on S01-9364 for each HG type were 26, 4, 28, 1, and 1 respectively, based on a SCN female index of 100 for the susceptible check. SCN female indexes on S01-9391 for each HG type were 1, 1, 0, 0, and 0, respectively based on a SCN female index of 100 for the susceptible check. Both lines are resistant to stem canker [caused by Diaporthe phaseolorum (Cooke and Ellis) Sacc. var. meridionalis F. A. Fernandez], bacterial pustule [caused by Xanthomonas axonpodis pv. glycines (Nakano) Vauterin et al.] and sudden death syndrome [Fusarium solani (Mort.) Sacc. f. sp. glycines Roy]. S01-9391 also has shown moderate resistance to southern root knot nematode [Meloidogyne incognita (Kofoid and White) Chitwood] in screening trials planted behind potatoes near Bertrand Missouri from 2003-2005. S01-9364 and S01-9391 are susceptible phytophthora root rot caused by Phytophthora sojae M. J. Kaufmann and J. W. Gerdemann.