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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 658519 | LD00-2817P | Glycine max (L.) Merr. | Illinois, United States | SOY |  | | 2009 | DEVELOPED | | | | | | Breeding material | LD00-2817P is an indeterminate germplasm line with a relative maturity of 4.5, maturing 4 d later than the check LD00-3309 . LD00-2817P has gray pubescence, purple flower color, and tan pod wall. The seed of LD00-2817P has yellow cotyledons with a dull yellow seed coat and imperfect black hila. LD00-2817P has resistance to both the HG type 0 and 2.5.7 soybean cyst nematode (SCN) (Heterodera glycines Ichinohe) isolates similar to that of Ina, its parent with SCN resistance from PI 437654. LD00-2817P showed greater resistance to both isolates than U98-311442 and LD00-3309, which carry SCN resistance from only PI 88788. The difference between LD00-2817P and lines with PI 88788 resistance was the largest in the HG type 2.5.7 isolate test. In this test, the FI of LD00-2817P was 2, U98-311442 was 57, and LD00-3309 was 96. When challenged with each of 12 SCN isolates, LD00-2817P was classified as resistant to 11. LD00-2817P had a FI of 11 for the remaining isolate, just above the cutoff of 10 that is used to separate resistant from susceptible genotypes. LD00-2817P was evaluated with its parent Ina in seven locations of the University of Illinois breeding tests from 2005 to 2006. Compared with Ina across environments, LD00-2817P had the same date of maturity, but significantly (P<0.05) greater yield, less lodging, and shorter stature. Across the 49 environments of the MG IV SCN Regional Test and Uniform Test during 2007-2008, LD00-2817P significantly out-yielded the check cultivar Macon but not LD00-3309. Across these environments, LD00-2817P was 4 days later maturing than LD00-3309 and 6 days later than Macon. Compared with the two checks, LD00-2817P was significantly taller, had greater lodging, poorer seed quality, and less protein concentration. The seed size of LD00-2817P was intermediate between LD00-3309 and Macon. | 1828074 | PI 658519 |