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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 654356 | S99-2281 | Glycine max (L.) Merr. | Missouri, United States | SOY |  | | 2008 | DONATED | 07/09/2008 | | | | | Breeding material | Soybean [Glycine max (L.) Merr.] germplasm line 'S99-2281' was developed at the University of Missouri-Delta Center and released by the University of Missouri Agricultural Experiment Station. It is an F4 plant selection composited in the F5 generation from the cross of N90-516 x S92-1069. S99-2281 is a productive, early group V (relative maturity 5.2) soybean line with broad resistance to soybean cyst nematode Heterodera glycines Ichinohe HG types (races), southern root knot nematode [Meloidogyne incognita (Kofoid and White) Chitwood] and reniform nematode [Rotylenchulus reniformis (Linford and Oliveira)]. It also carries the Rcs3 gene for resistance to Frogeye leaf spot caused by Cercospora sojina K. Hara. In combined analyses over three years S99-2281 yielded 3% and 7% more than Manokin in southeast Missouri trials (15 tests) and in Uniform Group IVs Tests-Southern States (39 tests), respectively. S99-2281 plants are determinate in growth habit with white flowers, gray pubescence, and tan pods at maturity. Seeds are dull yellow with buff hila. In the combined analysis of the uniform tests over 28 environments and three years, seeds of S99-2281 have averaged 126 mg/seed in size with a seed quality score of 1.9 compared to 123 mg/seed and a seed quality score of 2.0 for Manokin. The average seed protein and oil contents of S99-2281 were 402 g/kg and 198 g/kg, respectively which were less than Manokin which averaged 406 g/kg and 205 g/kg. It will be useful as an elite parent in soybean breeding programs to develop productive soybean cultivars with broad resistance to frogeye leaf spot and resistance to multiple nematode species. | 1780702 | PI 654356 |