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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 639171 | HA 448 | Helianthus annuus L. | North Dakota, United States | NC7 |  | | 2005 | DEVELOPED | | | | | | Breeding material | A confection maintainer genetic stock selected for low cadmium uptake. The pedigree breeding method was used. Kernel cadmium content was determined during the breeding process. The cadmium content averaged over three years was 0.75 mg/kg compared to the average cadmium content of two check confection inbred lines of 1.34 and 0.88 mg/kg, respectively. Hybrids were produced by crossing with the restorer line RHA 450. This hybrid was compared in cadmium content with the commercial hybrid, Hybrid 924. The kernel cadmium content of the hybrid averaged 0.68 mg/kg compared with the average of Hybrid 924 of 1.38 mg/kg. | 1675280 | PI 639171 |
| 1 | PI 639172 | HA 449 | Helianthus annuus L. | North Dakota, United States | NC7 |  | | 2005 | DEVELOPED | | | | | | Breeding material | A confection maintainer genetic stock selected for low cadmium uptake. The pedigree breeding method was used. Kernel cadmium content was determined during the breeding process. The cadmium content averaged over three years 0.64 mg/kg compared to the average cadmium content of two check confection inbred lines of 1.34 and 0.88 mg/kg, respectively. Hybrids were produced by crossing with the restorer line RHA 450. This hybrid was compared in cadmium content with the commercial hybrid, Hybrid 924. The kernel cadmium content of the hybrid averaged 0.67 mg/kg compared with the average of Hybrid 924 of 1.38 mg/kg. | 1675281 | PI 639172 |
| 2 | PI 639173 | RHA 450 | Helianthus annuus L. | North Dakota, United States | NC7 |  | | 2005 | DEVELOPED | | | | | | Breeding material | A confection restorer genetic stock selected for low cadmium uptake. The pedigree breeding method was used. Primrose, used in the cross, is an ornamental accession with lemon-yellow flowers introduced from Poland and in preliminary tests, had low cadmium uptake into kernels. Kernel cadmium content was determined during the breeding process. The cadmium content averaged over three years was 0.55 mg/kg compared to the average cadmium content of two check confection inbred restorer lines of 1.19 and 0.70 mg/kg, respectively. Hybrids were produced by emasculating HA 448 and HA 449 and crossing with this restorer line. These hybrids were compared in cadmium content with the commercial hybrid, Hybrid 924. The kernel cadmium contents of the hybrids averaged 0.68 mg/kg compared with the average of Hybrid 924 of 1.38 mg/kg. | 1675282 | PI 639173 |