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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 | | |
|---|
| 0 | PI 661157 | N7003CN | Glycine max (L.) Merr. | North Carolina, United States | SOY | | Not Available | 2011 | DEVELOPED | | | | | | Cultivar | N7003CN soybean [Glycine max (L.) Merr.] was developed and released by the USDA-Agricultural Research Service in 2010. It is a high-yielding, maturity group VII, non-transgenic soybean cultivar adapted to the southeastern USA (30 to 37 ? N latitude). N7003CN is the first publicly-released Group VII soybean which is resistant to race 2 (HG Type 1.2.5.7-) of the soybean cyst nematode (SCN, Heterodera glycines Ichinohe). Race 2 is the dominant type of SCN in North Carolina. N7003CN is also resistant to races 1 and 14 (HG Yypes 2.3- and 1.3.5.6.7, respectively), moderately resistant to races 4 and 5 (HG Types 1.2.3.5.6- and 2.5.7-, respectively) and appears to have partial resistance to Race 3 (HG Type 5.7). Molecular analysis of N7003CN identified SSR markers associated with SCN resistance genes rhg1, Rhg4, and Rhg5. During 2005 through 2009 in USDA Uniform Soybean Tests, N7003CN yielded 11% and 2% more than SCN-susceptible control cultivars HaskellRR and N7002, respectively (46 environments). During 2005-2009 in the North Carolina State University Official Variety (OVT) trials, the yield of N7003CN was equivalent to that of SCN-susceptible control cultivar, NC-Raleigh. NC-Raleigh was the highest yielding group VII entry in the OVT. The unusual combination of high yield and SCN Race 2 resistance in group VII maturity makes this cultivar potentially desirable for conventional and organic production and as breeding stock for commercial breeding. | 1867182 | PI 661157 |