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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 506220Very Early M9Oryza sativa L. California, United StatesNSGCKERNELS1987DEVELOPED1987Breeding material7 days earlier maturing than M9. Potentially useful as an early maturity source for rice breeding programs. [See PI 506219-506230 for accessions from the same Crop Science registration.]1401156PI 506220
1PI 50622578Y81Oryza sativa L. California, United StatesNSGCKERNELS1987DEVELOPED1987Breeding materialInduced mutant of short stature. Potentially useful as short stature parent for breeding long grain types for areas with moderately cool climate. A single-plant selection from this core subset accession is available as GSOR 311363. [See PI 506219-506230 for accessions from the same Crop Science registration.]1401161PI 506225
2PI 50622678Y454Oryza sativa L. California, United StatesNSGCKERNELS1987DEVELOPED1987Breeding materialInduced mutant of short stature. Potentially useful as short stature parent for breeding long grain types for areas with moderately cool climate. [See PI 506219-506230 for accessions from the same Crop Science registration.]1401162PI 506226
3PI 50622778Y455Oryza sativa L. California, United StatesNSGCKERNELS1987DEVELOPED1987Breeding materialInduced mutant of short stature. Potentially useful as short stature parent for breeding long grain types for areas with moderately cool climate. [See PI 506219-506230 for accessions from the same Crop Science registration.]1401163PI 506227
4PI 50622878Y458Oryza sativa L. California, United StatesNSGCKERNELS1987DEVELOPED1987Breeding materialInduced mutant of short stature. Potentially useful as short stature parent for breeding long grain types for areas with moderately cool climate. [See PI 506219-506230 for accessions from the same Crop Science registration.]1401164PI 506228
5PI 506230B85P2385Oryza sativa L. California, United StatesNSGCKERNELS1987DEVELOPED1987Breeding materialPotentially useful as a water weevil tolerant donor in breeding programs. [See PI 506219-506230 for accessions from the same Crop Science registration.]1401166PI 506230
6GSOR 31136378Y81Oryza sativa L. California, United StatesGSORKERNELS1986DEVELOPED1987Breeding materialCore Accession from PI 506225. The Core Collection containing about 10% of the whole NSGC Rice Collection was assembled by stratified random sampling method in 2002, evaluated comprehensively for 25 characteristics and proven to be highly representative of the whole collection. Information drawn from the Core Collection can effectively be used to assess the diversity of the whole collection with 88% certainty. A single plant was selected from each Core accession in 2006 and bulk seed from the single plant selection was produced in 2007 and deposited in the GSOR. DNA extracted from the selected plant was analyzed with one indel marker and 71 SSR (Single Sequence Repeat) markers that cover the entire rice genome about 30 cM apart. A Mini-Core Collection containing about 10% of the Core Collection was subsequently developed and genotyped through various means.The original narrative is: Induced mutant of short stature. Potentially useful as short stature parent for breeding long grain types for areas with moderately cool climate.

Because the Core and Mini-Core were developed from single-plant selections from the NSGC accessions which may be phenotypically variable, there is the possibility that the GSOR seed sources are not exactly the same as the NSGC sources.

1742277GSOR 311363