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| ACCESSION | PLANT NAME | TAXONOMY | ORIGIN | GENEBANK | IMAGE | AVAILABILITY | RECEIVED | SOURCE TYPE | SOURCE DATE | COLLECTION SITE | COORDINATES | ELEVATION | HABITAT | IMPROVEMENT LEVEL | NARRATIVE | | |
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| 0 | PI 641938 | JTN-5503 | Glycine max (L.) Merr. | Tennessee, United States | SOY |  | | 2006 | DEVELOPED | 2005 | | | | | Breeding material | F2 plants resistant to soybean cyst nematode (SCN) (Heterodera glycines Ichinohe) race 2 (corresponding to HG Type 1.2-) were selected and grown in F3 rows. Progenies were advanced through mass selection for superior agronomic types with resistance to both soybean cyst nematode and predominant fungal pathogens. Marker assisted selection (MAS) identified a soybean line with combined resistance to SCN races 2,3,5,14 (corresponding to HG Types 1.2.5.7, 0, 2.5.7, 1.3.6.7 respectively). Satt 309, Satt 632, Satt 162 and Satt 082 were used for marker assisted selection. Resistance in this line was confirmed with nematode populations in greenhouse phenotyping tests at USDA-ARS, Jackson, TN. Highly resistant to stem canker [caused by Diaporthe phaseolorum var. caulivora], frogeye leaf spot (caused by Cercospora sojina), cercospora leafblight [caused by Cercospora kikuchii] and moderately resistant to sudden death syndrome [caused by Fusarium solani] and charcoal rot [caused by Macrophomina phaseolina]. Is a maturity group V line (relative maturity 5.4) with white flowers, tawny pubescence and a determinate growth habit. Seeds are yellow with black hila. In 2004 Tennessee State Variety Test, averaged 3808 kilograms per hectare in seed yield. In 2003-2004 USDA Southern Reg. Preliminary and Uniform Group V tests, produced 3675 kilograms per hectare in seed yield, 187 g per kilogram seed oil, 398 grams per kilogram seed protein and 13.6 g seed weight (100 seeds), respectively. The release matured 2 d later and was 5 cm shorter in height compared with 5601T. Has great value as a parent in soybean improvement because of its higher yield and high level of resistance to SCN and fungal pathogens. | 1689848 | PI 641938 |