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	ACCESSION	PLANT NAME	TAXONOMY	ORIGIN	GENEBANK	AVAILABILITY	RECEIVED	SOURCE TYPE	SOURCE DATE	IMPROVEMENT LEVEL	NARRATIVE
0	PI 587142	'A679'	Zea mays L. subsp. mays	Minnesota, United States	NC7		1993	DEVELOPED	05/1987	Breeding material	A679 is an early version of B73 developed by an early by late procedure, backcrossing to B73 three times. Silking is about 8-10 days earlier than B73. It combines well with Lancaster germplasm and some early B14 types. Out-performs B73 by 30% with about 5% less moisture. High kernel row with small seed. Lodging similar to B73. Adapted to South-central and North-central Minneosta. (University of Minnesota Agriculture Experiment Station Release of Corn Inbred Lines, May 1987)	1086015	PI 587142
1	PI 587143	'A682'	Zea mays L. subsp. mays	Minnesota, United States	NC7		1993	DEVELOPED	05/1987	Breeding material	A682 and A683, early versions of Mo17, were developed with two backcrosses to Mo17 using early synthetic, AS-D, as the source of earliness. In Minnesota, these lines silk a week earlier than Mo17 and outyield Mo17 by7 more than 50%. Although the seed is still large, these inbreds grade out with more flat kernels compared to Mo17. Pollen production is fair to good. Lodging resistance of A683 is superior to A682 as a line and in hybrids. Adapted to South-central and North-central Minneosta. (University of Minnesota Agriculture Experiment Station Release of Corn Inbred Lines, May 1987)	1086016	PI 587143
2	PI 587150	'Va35'	Zea mays L. subsp. mays	Virginia, United States	NC7		1993	DEVELOPED		Breeding material		1084340	PI 587150
3	PI 587153	'W117'	Zea mays L. subsp. mays	Wisconsin, United States	NC7		1993	DEVELOPED		Breeding material		1084341	PI 587153
4	PI 587126	'C13'	Zea mays L. subsp. mays	Connecticut, United States	NC7		1993	DEVELOPED		Breeding material	Yellow sweetcorn inbred.	1084254	PI 587126
5	PI 587133	'P39'	Zea mays L. subsp. mays	Indiana, United States	NC7		1993	DEVELOPED		Breeding material	P39 is an important, often used, su1 inbred. It was the female component of the famous early sweetcorn hybrid "Golden Cross Hybrid"( P39 X P51). Later a sh2 (shrunken) version of this inbred and its male conterpart was developed by John R. Laughnan and a supersweet version of "Golden Cross" became available in 1961.	1084260	PI 587133
6	PI 587134	'Ia2132 Tracy Version'	Zea mays L. subsp. mays	Iowa, United States	NC7		1993	DEVELOPED		Breeding material	Yellow sweetcorn inbred. This accession is quite genetically distinct from PI 693385.	1084255	PI 587134
7	PI 587135	'Ia5125'	Zea mays L. subsp. mays	Iowa, United States	NC7		1993	DEVELOPED		Breeding material	Yellow sweetcorn inbred. It was widely used and was the male component in the popular sweetcorn hybrid "Iochief" (Ia453 X Ia5125). The sh2 (shrunken) gene was later backcrossed into the two "Iochief" inbreds and these were used to make the two supersweet hybrids "Illini Chief" ((Ia453sh2 X Ia5125sh2) and "Illini Xtra Sweet" ((Ia453sh2 X P39sh2) X Ia5125sh2).	1084259	PI 587135
8	PI 587127	'H105W'	Zea mays L. subsp. mays	Indiana, United States	NC7		1993	DEVELOPED		Breeding material		1084242	PI 587127
9	PI 587136	'Ky228'	Zea mays L. subsp. mays	Kentucky, United States	NC7	Not Available	1993	DEVELOPED	1967	Breeding material	White dent inbred line.	1084234	PI 587136
10	PI 587154	'W153R'	Zea mays L. subsp. mays	Wisconsin, United States	NC7		1993	DEVELOPED		Breeding material		1084221	PI 587154
11	PI 587155	'W182BN'	Zea mays L. subsp. mays	Wisconsin, United States	NC7		1993	DEVELOPED		Breeding material		1084223	PI 587155
12	PI 587144	'Mo24W'	Zea mays L. subsp. mays	Missouri, United States	NC7		1993	DEVELOPED		Breeding material		1084195	PI 587144
13	PI 587148	'CI 66'	Zea mays L. subsp. mays	United States	NC7		1993	DEVELOPED	PRE 1993	Breeding material	Blight resistant.	1084191	PI 587148
14	PI 587145	'NC268'	Zea mays L. subsp. mays	North Carolina, United States	NC7		1992	DEVELOPED		Breeding material		1084225	PI 587145
15	PI 587146	'Oh7'	Zea mays L. subsp. mays	Ohio, United States	NC7		1992	DEVELOPED		Breeding material		1084229	PI 587146
16	PI 587151	'Va102'	Zea mays L. subsp. mays	Virginia, United States	NC7		1992	DEVELOPED		Breeding material		1084231	PI 587151
17	PI 587130	'4722'	Zea mays L. subsp. mays	Indiana, United States	NC7		1992	DEVELOPED	PRE 02/11/2005	Breeding material		1084091	PI 587130
18	PI 587131	'HP301'	Zea mays L. subsp. mays	Indiana, United States	NC7		1992	DEVELOPED	PRE 02/11/2005	Breeding material		1084096	PI 587131
19	PI 587132	'Sg 1533'	Zea mays L. subsp. mays	Indiana, United States	NC7		1992	DONATED	11/09/1992	Breeding material		1084097	PI 587132
20	PI 587124	'CM105'	Zea mays L. subsp. mays	Manitoba, Canada	NC7		1992	COLLECTED		Breeding material		1082767	PI 587124
21	PI 587125	'CO109'	Zea mays L. subsp. mays	Ontario, Canada	NC7		1992	COLLECTED		Breeding material		1082769	PI 587125
22	PI 587137	'Ms71'	Zea mays L. subsp. mays	Michigan, United States	NC7		1992	DEVELOPED		Breeding material		1082773	PI 587137
23	PI 587138	'A554'	Zea mays L. subsp. mays	Minnesota, United States	NC7		1992	DEVELOPED		Breeding material		1082747	PI 587138
24	PI 587139	'A619'	Zea mays L. subsp. mays	Minnesota, United States	NC7		1992	DEVELOPED		Breeding material		1082749	PI 587139
25	PI 587140	'A632'	Zea mays L. subsp. mays	Minnesota, United States	NC7		1992	DEVELOPED		Breeding material		1082752	PI 587140
26	PI 587141	'A654'	Zea mays L. subsp. mays	Minnesota, United States	NC7		1992	DEVELOPED		Breeding material		1082762	PI 587141
27	PI 587147	'Pa91'	Zea mays L. subsp. mays	Pennsylvania, United States	NC7		1992	DEVELOPED		Breeding material		1082778	PI 587147
28	PI 587149	'Va26'	Zea mays L. subsp. mays	Virginia, United States	NC7		1992	DEVELOPED		Breeding material		1082784	PI 587149
29	PI 558518	'Mo15W'	Zea mays L. subsp. mays	Missouri, United States	NC7		1991	DEVELOPED		Breeding material	Endosperm white. Cob white. Developed for use in hybrids for the production of cobs suitable for manufacturing pipes. Vigorous plants with medium large ears and low shelling percent. Maturity AES900.	1453490	PI 558518
30	PI 587128	'H84'	Zea mays L. subsp. mays	Indiana, United States	NC7		1991	DEVELOPED		Breeding material		1073894	PI 587128
31	PI 587129	'H99'	Zea mays L. subsp. mays	Indiana, United States	NC7		1991	DEVELOPED		Breeding material		1073895	PI 587129
32	PI 587152	'W64A'	Zea mays L. subsp. mays	Wisconsin, United States	NC7		1991	DEVELOPED		Breeding material		1082714	PI 587152
33	PI 542777	'HP72-11'	Zea mays L. subsp. mays	Indiana, United States	NC7		1990	DEVELOPED	PRE 02/11/2005	Breeding material	Plant height 127cm and 51cm to ear bearing node. Days to mid-pollen-shed average 73 and to midsilk 77. Ears average 16cm in length with 12 rows of kernels and have good husk coverage. Kernels have yellow endosperm and are too small to make satisfactory seed parent (108 k/10 g). Pollen production dependably large. Cross (dent) sterile (Gal-s)	1437713	PI 542777
34	PI 550566	'N192'	Zea mays L. subsp. mays	Nebraska, United States	NC7		1985	DEVELOPED		Breeding material	Similar to B73 in appearance, but leaves less upright and flowers about 5 days earlier. When crossed with Mo17, hybrid has excellent yield, good root strength, and adequate stalk strength. Kernels yellow dent. Maturity is AES600.	1445502	PI 550566
35	PI 550522	'T232'	Zea mays L. subsp. mays	Tennessee, United States	NC7		1981	DEVELOPED		Breeding material	Plant tall, vigorous. Leaves upright. Ear placement fairly high. Pollen production good. Grain yield fair. Tendency to root lodge. 2-3 medium ears per stalk. Kernels medium-large dark yellow on red cob. Grain hard, dimple-dent. High general combining ability. Maturity is AES1000. Resistant to corn earworm (Heliothis zea), kernel and cob rots, and sorghum downy mildew (Pernosclerospora sorghi), and virus disease complex.	1445458	PI 550522
36	PI 550490	'ND246'	Zea mays L. subsp. mays	North Dakota, United States	NC7		1980	DEVELOPED		Breeding material	Good combining ability for yield, test weight, ear moisture, and root and stalk lodging resistance. Maturity is AES200. Intermediate resistance to Diplodia stalk rot, Anthracnose leaf blight, Anthracnose stalk rot, northern corn leaf spot, and first brood European corn borer. Resistant to wheat streak mosaic virus and bacterial leaf blight.	1445426	PI 550490
37	PI 550483	'B76'	Zea mays L. subsp. mays	Iowa, United States	NC7		1973	DEVELOPED		Breeding material	Plant and ear types similar to B37. Yield and pollen production better than B37. Maturity is AES800. Intermediate resistance to first brood of European corn borer (Ostrinia nubilalis).	1445419	PI 550483
38	PI 550473	'B73'	Zea mays L. subsp. mays	Iowa, United States	NC7		1972	DEVELOPED		Breeding material	Plant vigorous. Leaves erect. Pollen production average. Seed smooth dent. Maturity is AES800. This is the accession of B73 that was used for the first complete maize genome sequence. See https://maizegdb.org/assembly details.	1445409	PI 550473
39	PI 550465	'B68'	Zea mays L. subsp. mays	Iowa, United States	NC7		1971	DEVELOPED		Breeding material	Vigorous inbred line, similar to B14 in plant and ear type, silks 4-5 days later. Maturity is AES800. Good resistance to first brood of European corn borer (Ostrinia nubilalis).	1445401	PI 550465
40	PI 550467	'B37'	Zea mays L. subsp. mays	Iowa, United States	NC7		1971	DEVELOPED		Breeding material	Plant vigorous. Seed yield good. Pollen production poor. Root and stalk strength moderate. Maturity is AES800. Some resistance to northern corn leaf blight (Helminthosporium turcicum). During its era of heavy usage the line contributed high yield to single-cross hybrids particularly when grown at moderately high plant densites. In an ASTA 1975 survey reported in The Second Meeting of the Interregional Corn Conference, February 9-12, 1976 in Cincinnati, Ohio; almost 66 million kg (~145 million pounds) of parent seed were used in 1974 for hybrid production for 1975 planting. This represented 6.8% of the total 1975 requirement.	1445403	PI 550467
41	PI 550440	'B64'	Zea mays L. subsp. mays	Iowa, United States	NC7		1966	DEVELOPED		Breeding material	Maturity is late AES800. Good tolerance to western corn rootworm (Diabrotica virgifera). Moderate resistance to first brood of European corn borer (Ostrinia nubilalis).	1445376	PI 550440
42	PI 558531	'Mo16W'	Zea mays L. subsp. mays	Missouri, United States	NC7		1964	DEVELOPED		Breeding material	Endosperm white. Cob white. Developed for use in hybrids for the production of cobs for pipes. Characteristics similar to Mo15W except for a slightly larger ear and cob. Maturity AES900.	1453503	PI 558531
43	PI 558532	'Mo17'	Zea mays L. subsp. mays	Missouri, United States	NC7		1964	DEVELOPED		Breeding material	Endosperm yellow. Cob red. Relative maturity similar to C103 with better kernel type than C103. Easier to maintain in Missouri than C103. Resistance to leaf blight (Helminthosporium turcicum) and stalk quality similar to C103. Pollinates itself readily under semi-drought conditions. Maturity AES800.	1453504	PI 558532