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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 699660'TN13-4304'Glycine max (L.) Merr. Tennessee, United StatesSOY2022DEVELOPEDCultivarTN13-4304 is a conventional late-maturity group IV (relative maturity 4.9) soybean [Glycine max (L.) Merr.] with high seed yield potential, high meal protein and is resistant to southern root knot nematode, peanut root knot nematode and stem canker. The line was developed and released by the University of Tennessee soybean breeding program. TN13-4304 was developed from reselection within the Asian Vegetable Development Center cultivar ‘AGS 292’, which was originally released for use in the edamame market. In replicated field trials across 26 environments of the USDA Southern Soybean Preliminary Maturity Group (MG) V Early and Uniform MG V Tests, TN13-4304 yielded 108% and 101%, respectively of the average yield of the commercial checks. In the 2018 United Soybean Board Southern Diversity Yield Trials MG IV Late (USBDIV4L), tested across three states, TN13-4304 yielded 115% of the average of three Asgrow commercial cultivars and had an average seed protein content and oil content of 429 g kg-1 and 219 g kg-1, respectively. In the same test the three Asgrow varieties had an average seed protein content of 403 g kg-1 and an average oil content of 225 g kg-1. In the USBDIV4L, TN13-4304 was listed as one of only two genotypes that met all targets of yield, seed protein, oil and meal protein in the test. TN13-4304 has white flowers, gray pubescence, and a determinate growth habit. The pods have a tan pod wall and the seeds are yellow with smooth seed coats. For decades soybean genetic improvement has focused on increasing yield, which typically increased seed oil content at the expense of protein content in the meal.2132595PI 699660