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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 658245 | LP1-2581 | Hordeum vulgare L. subsp. vulgare | Idaho, United States | NSGC |  | | 2009 | DEVELOPED | | | | | | Breeding material | Two-rowed hulled spring barley. The mutant lpa1-1 allele conditions an approximate reduction in phytate of 50% and an approximate reduction in total P of 10%. It also is associated with a slight reduction in overall agronomic performance, especially under conditions of environmental stress, and a relatively larger reduction of test weight in all environments. LP1-2581 was developed as a source of lpa1-1 in a two-rowed background with the expectation of superior test weight relative to 'Herald', a six-rowed cultivar containing the lpa1-1 allele. LP1-2581 is similar to Herald for agrnomic traits including yield and percentage plump kernels, and is higher for test weight. [See PI 658245-658248 for accessions from the same J Pl Regis citation.] | 1823099 | PI 658245 |
| 1 | PI 658246 | LP640-1304 | Hordeum vulgare L. subsp. vulgare | Idaho, United States | NSGC |  | | 2009 | DEVELOPED | | | | | | Breeding material | Six-rowed hulled spring barley. Contains the 640 allele which conditions a similar reduction in phytate as lpa1-1 (~50%). Detailed studies of the effects of mutant 640 on agronomic peformance have not been conducted, but based on extensive yield trials of Clearwater its effects appear to be similar to lpa1-1, except for less apparent sensitivity to environmental stress. LP640-1304 is superior relative to 'Herald' for grain yield and test weight, and competitive for grain yield relative to the popular two-rowed feed cultivar 'Baronesse'. [See PI 658245-658248 for accessions from the same J Pl Regis citation.] | 1823100 | PI 658246 |
| 2 | PI 658247 | LP3-1159 | Hordeum vulgare L. subsp. vulgare | Idaho, United States | NSGC |  | | 2009 | DEVELOPED | | | | | | Breeding material | Six-rowed hulled spring barley. Contains lpa3-1. Previous studies have shown lpa3-1 to condition an approximate 70% reduction in phytate, but also that it confers more severe reductions in agronomic performance than lpa1-1. LP3-1159 appears to represent a unique blend of phytate reduction and good agronomic performance. Grain yield and test weight are superior relative to 'Herald', and yield is competitive relative to LP640-1304 and to the popular feed cultivar 'Baronesse'. [See PI 658245-658248 for accessions from the same J Pl Regis citation.] | 1823101 | PI 658247 |
| 3 | PI 658248 | LP1-2163H | Hordeum vulgare L. subsp. vulgare | Idaho, United States | NSGC |  | | 2009 | DEVELOPED | | | | | | Breeding material | Six-rowed hulless spring barley. LP1-2163H was developed as a source of the lpa1-1 allele in a six-rowed, hulless background. It is similar in agronomic performance to the two-rowed hulless LP cultivar 'Clearwater', and has as good or better test weight as Clearwater despite its six-row phenotype. [See PI 658245-658248 for accessions from the same J Pl Regis citation.] | 1823141 | PI 658248 |