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	ACCESSION	PLANT NAME	TAXONOMY	ORIGIN	GENEBANK	AVAILABILITY	RECEIVED	SOURCE TYPE	SOURCE DATE	IMPROVEMENT LEVEL	NARRATIVE
0	PI 632281	ORIN 172	Oryza sativa L.	Arkansas, United States	NSGC		2002	DEVELOPED	1999	Breeding material	Height 83 cm tall, or 9 cm shorter, and one day later than its parent, Orion. In genetic studies, found to have a single recessive gene for semidwarfism which was nonallelic to the widely used sdl gene. Averaged over six tests, yielded 7710 compared to 7980 kg/ha for its parent. Seed dimensions and amylose content were similar to the parent.	1641240	PI 632281
1	PI 596758	'Drew'	Oryza sativa L.	Arkansas, United States	NSGC		1997	DEVELOPED	1996	Cultivar	Long-grain rice cultivar. Resistant to rice blast (Pyricularia grisea), races lB-1, lB-45, lB-49, lB-54, lC-17, lE-1, lG-1, and lH-1 rating a 1, 1, 2, 1, 2, 0, 1 and 1, respectively, on a disease scale 0=least susceptible, 9=most susceptible. Similar height and maturity to parents Newbonnet and Katy. Plants have erect culms, green erect flag leaves and glabrous lemma, palea and leaf blades. Kernels straw colored with colorless to purple apiculi which fades at maturity.	1540637	PI 596758
2	PI 592739	'L-204'	Oryza sativa L.	California, United States	NSGC		1996	DEVELOPED	1996	Cultivar	Early maturing long-grain rice. Photoperiod non-sensitive. Heads an average of 2 and 5 days earlier than L-203 and L-202, respectively. Seedling vigor similar to L-203 and slightly better than L-202. Plants awnless with glabrous leaves and hulls and about 1-2 inches taller than L-202 and L-203 when headed. Lodging resistance similar to L-202 and L-203. Yield more than 3% and 5% higher than L-202 and L-203, respectively. Apparent amylose content about 2% less than L-202 and L-203, and similar to traditional Southern U.S. rice varieties. Intermediate alkali spreading value.	1509766	PI 592739
3	PI 597040	'IAC 165'	Oryza sativa L.	Brazil	NSGC		1994	DEVELOPED		Cultivar		1104349	PI 597040
4	PI 583278	'Kaybonnet'	Oryza sativa L.	Arkansas, United States	NSGC		1994	DEVELOPED	1994	Cultivar	Long-grain, matures in approx. 125 days. Plants approx. 108cm tall with erect flag leaves. Lemma, palea, and leaf blades glabrous. Grain may have colorless or purple apiculi at maturity. Hulls straw colored. Pericarp light brown. Resistant to rice blast (Pyricularia grisea). Moderately susceptible to sheath blight (Rhizoctonia solani)	1478249	PI 583278
5	PI 566666	87-Y-550	Oryza sativa L.	California, United States	NSGC		1993	DEVELOPED	1993	Breeding material	Early maturing semidwarf long-grain line. Plants awnless. Leaves and hulls glabrous. Rice brown. Kernel length 7.8mm and width 2.3mm with light brown pericarp. Endosperm has apparent amylose content 23.0% and intermediate spreading value. Yield potential similar to L-202. Resistant to lodging, stem rot (Sclerotium oryzae), and aggregate sheath spot (Rhizoctonia oryzae-sativae).	1461637	PI 566666
6	PI 558511	'Akitakomachi'	Oryza sativa L.	Akita, Japan	NSGC		1991	DEVELOPED		Cultivar	Maturity very early. Pubescent, short stature. Cooking and milling characteristics good. Susceptible to lodging and yields well below adapted cultivars, in California.	1453483	PI 558511
7	PI 547249	'L-203'	Oryza sativa L.	California, United States	NSGC		1991	DEVELOPED	1991	Cultivar	Photoperiod non-sensitive, early maturing, semidwarf, long-grain cultivar. Plants awnless with glabrous leaves and hulls, and anthocyanin in apiculi only. Tolerant of thioencarb and molinate herbicides. Similar to L-202 in reaction to stem rot and aggregate sheath spot pathogens. Kernel weight 21.3mg. Endosperm colorless, non-glutinous, non-aromatic, with apparent amylose content 25.5%, and alkali spreading value 3-5. Yield 8742-8781kg per hectare. Resistant to lodging. Head rice yield 531mg g-1 in 1989-1990 milling test. Adaptation pattern similar to M-202.	1442185	PI 547249
8	PI 527566	'M-103'	Oryza sativa L.	California, United States	NSGC		1989	DEVELOPED	1988	Cultivar	Maturity early. Photoperiod insensitive, semidwarf, translucent, medium-grain cultivar. Leaves glabrous except few hairs on margins. Awns sparse. Seedling vigor adequate. Some resistance to lodging. Endosperm colorless, non-aromatic, non-waxy. Amylose content 18.8%. Useful in delayed plantings. Blanking resistance excellent. Resistant to stem rot.	1422502	PI 527566
9	PI 527707	'Katy'	Oryza sativa L.	Arkansas, United States	NSGC		1988	DEVELOPED	1989	Cultivar	Plants 113cm tall. Maturity 130 days. Long grain type Resistant to 8 races of blast (Pyricularia oryzae). Good tolerance to sheath blight (Rhizoctonia solani).	1422643	PI 527707
10	PI 514276	'M-203'	Oryza sativa L.	California, United States	NSGC		1988	DEVELOPED	1988	Cultivar	Premium quality medium-grain type. Susceptible to lodging and to blanking. Yield not as high as other similar varieties. Primary interst early maturity.	1409212	PI 514276
11	PI 494105	'M-202'	Oryza sativa L.	California, United States	NSGC		1985	DEVELOPED	1985	Cultivar	Medium grain. Plants 90cm tall. Seedling vigor good. Seeds 6.1mm long. Maturity early. Some resistance to stem rot. Cooking quality similar to California medium grain. Adaptable to cooler areas than M-201 and M-9. A single-plant selection from this core subset accession is available as GSOR 311794.	1389041	PI 494105
12	PI 483097	'L-202'	Oryza sativa L.	California, United States	NSGC		1984	DEVELOPED	1984	Cultivar	Pure line selection. Plants 82cm, photoperiod non-sensitive, early maturing with heading in 93 days, long grain type. Leaves and hulls glabrous. Heads awnless. Adaptability similar to that of 'M-201'. Amylose content of 25.6 to 26.6%. Starch has intermediate gelatinization.	1378033	PI 483097
13	PI 476818	'Pecos'	Oryza sativa L.	Texas, United States	NSGC		1983	DEVELOPED	1983	Cultivar	Medium grain type. Plants short. Spikelets gold, awnless, glabrous. Outer glumes dark purple. Yield superior to Nato, Saturn, equal to Mars. Milling quality good. Resistant to lodging. Resistant to Physiological straighthead disease, white tip. Resistant to narrow brown leaf spot.	1371754	PI 476818
14	PI 475833	'Lemont'	Oryza sativa L.	Texas, United States	NSGC		1982	DEVELOPED	1983	Cultivar	Semi-dwarf, long-grain type. Flag leaves erect until maturity. Spikelet straw-colored, glabrous, awnless. Seed wider and heavier than Lebonnet. Superior milling quality. Resistant to lodging. Resistant to blast fungus and panicle blight. Moderately resistant to straighthead.	1370769	PI 475833
15	PI 434632	'Moroberekan'	Oryza sativa L.	Guinea	NSGC		1979	DEVELOPED		Cultivar	A single-plant selection from this core subset accessions is available as GSOR 310645.	1329568	PI 434632
16	PI 400051	Italica Livorno	Oryza sativa L.	Italy	NSGC	Not Available	1975	COLLECTED		Uncertain improvement status		1301251	PI 400051
17	PI 343836	'Sorachi'	Oryza sativa L.	Hokkaidô, Japan	NSGC		1969	DEVELOPED		Cultivar		1256579	PI 343836
18	GSOR 311794	'M-202'	Oryza sativa L.	California, United States	GSOR		1984	DEVELOPED	1985	Cultivar	Core Accession from PI 494105. 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: Plants 90cm tall. Seedling vigor good. Seeds 6.1mm long. Maturity early. Some resistance to stem rot. Cooking quality similar to California medium grain. Adaptable to cooler areas than M-201 and M-9. 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.	1754277	GSOR 311794
19	CIor 9980	'M-201'	Oryza sativa L.	California, United States	NSGC		1981	DEVELOPED	1982	Cultivar	Medium-grain rice.	1051176	CIor 9980
20	GSOR 310645	'MOROBEREKAN'	Oryza sativa L.	Guinea	GSOR		1979	DEVELOPED		Cultivar	Core Accession from PI 434632. 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. 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.	1741560	GSOR 310645
21	CIor 9945	'Mars'	Oryza sativa L.	Arkansas, United States	NSGC		1973	DEVELOPED	1977	Cultivar	Medium-grain rice.	1050993	CIor 9945
22	CIor 9708	'Labelle'	Oryza sativa L.	Texas, United States	NSGC		1969	DEVELOPED	1972	Cultivar	Long-grain rice.	1049938	CIor 9708
23	CIor 8988	'Calrose'	Oryza sativa L.	California, United States	NSGC		1951	DEVELOPED	1948	Cultivar	Medium-grain rice.	1046048	CIor 8988