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	ACCESSION	PLANT NAME	TAXONOMY	ORIGIN	GENEBANK	AVAILABILITY	RECEIVED	SOURCE TYPE	SOURCE DATE	COLLECTION SITE	IMPROVEMENT LEVEL	NARRATIVE
0	PI 693335	Va22	Zea mays L. subsp. mays	Virginia, United States	NC7		1992	DEVELOPED			Breeding material		1082783	PI 693335
1	PI 693336	W182B Goodman-Buckler	Zea mays L. subsp. mays	Wisconsin, United States	NC7		1992	DEVELOPED			Breeding material		1082786	PI 693336
2	PI 693325	Va17	Zea mays L. subsp. mays	Virginia, United States	NC7		1992	DEVELOPED			Breeding material		1082222	PI 693325
3	PI 693326	Va59	Zea mays L. subsp. mays	Virginia, United States	NC7		1992	DEVELOPED			Breeding material		1082250	PI 693326
4	PI 608767	B84	Zea mays L. subsp. mays	Iowa, United States	NC7		1992	DEVELOPED			Breeding material	B84 is a yellow dent maize inbred line selected from BSSS(HT)C7, which is an improved Iowa Stiff Stalk synthetic developed by seven cycles of recurrent selection for yield and other traits. Selection was based on half-sib progeny performances with Ia13 double-cross as the tester parent. The designation was changed to BS13(S2)CO because S2 progeny became the basis for evaluation in the next cycle of selection. B84 evolved from one of the 10 S2 lines selected for recombination to give BS13(S2)C1 [BS13(S2)C1 (PI 608782) is registered in Crop Sci. 19:755]. The line has been developed by selection and self-pollination in the ear-to-row system for six generations. The plant has an erect-leaf orientation and will produce a high frequency of harvestable second ears when the plant density is less than 40,000 plants/ha. Pollen production is good, and silks emerge 1 to 2 days after the first shedding of pollen. The date of silk emergence is 1 to 2 days later than that of B73. Most ears have 14 to 16 kernel rows; the seed is yellow with a rounded crown and shallow dent and intermediate in size. Seed yield is good, being slightly higher than that of B73. Inbred B84 has intermediate resistance to leaf feeding by the European corn borer (Ostrinia nubilalis Hubner). Data from single-cross evaluations for 4 years in south-central and southern Iowa show that B84 yields better than B73 in single-cross hybrids, has similar root and stalk strength, but drops fewer ears. Although B84 was developed from the same recurrent selection program as was B73, but two cycles later, the yield performance of the single cross between the two lines indicates that they should not be considered sister lines. Maturity classification is AES800.	1082045	PI 608767
5	PI 608777	B85	Zea mays L. subsp. mays	Iowa, United States	NC7		1992	DEVELOPED			Breeding material	Inbred B85 is a yellow dent inbred line developed from BSCB6(S)C3. BSCB6 (PI 550453 registered in Crop Sci.11:140-141) was first designated Iowa Corn Borer Synthetic No. 6. BSCB6(S)C3 was developed from Pennsylvania Early Synthetic by three cycles of recurrent selection based on S1 line resistance to leaf feeding by the European corn borer (Ostrinia nubilalis Hubner) (resistance to first brood of the European corn borer). B85 has an erect-leaf orientation and is single-eared. Pollen production is adequate and silks emerge 3 to 4 days after the first shedding of pollen. The date for silk emergence is 2 days earlier than A632. The ear is relatively small, with 12 to 14 kernel rows, and the seed is intermediate in size with a shallow dent. Inbred B85 is highly resistant to leaf feeding by first brood of the European corn borer; consequently, it is a good source of resistance in an early maturity breeding program. Evaluations in northern Iowa for 4 years have shown that the line contributes good yield and stalk strength to hybrids, but that it contributes poor root strength. Maturity classification is AES500. B85 was evaluated extensively and released because of potential value in breeding programs of the hybrid seed industry.	1082040	PI 608777
6	PI 606768	SD40	Zea mays L. subsp. mays	South Dakota, United States	NC7		1991	DEVELOPED	03/1985		Breeding material	Yellow dent inbred line. This line was evaluated for agronomic performance and in hybrid combination for yield and moisture. Released because of its potential to produce competitive hybrids for central and southern South Dakota. Derived by selfing for eight generations with selection for desirable plant, ear, and root traits. Evaluated for 3 years at Brookings and would be considered intermediate to late flowering because it silked 2 days after A632, 4 days after A619, 11 days after CM105, and 15 days after A654. Plants approximately 120 cm tall with ear placement approximately 75 cm above the ground. Light green with narrow and distinctly upright leaves, small tassels, and red cobs. Ear length about 15 cm and ears are borne on 7.5 cm shanks. 12 to 14 rows of medium size kernels on each cob. Seed moisture content about 20%, 60 days after pollination. Good vigor, ear fill, stalk strength, and stay green. Acceptable husk looseness and roots. Good combining ability with both A619 and A632, producing a 4 year average of 8.34 Mg/ha with A619 and 7.89 Mg/ha with A632 compared to 8.36 Mg/ha for Pioneer 3901 when tested at Brookings. Corn borer (Ostrinia nubilalis) resistance ratings on a 1 to 9 scale, averaged 3.00 in trials conducted in 1984-1985. Good resistance to northern corn leaf blight (Exserohilum turcicum), and acceptable resistance to stalk rot (Diplodia maydis).	1071153	PI 606768
7	PI 587152	'W64A'	Zea mays L. subsp. mays	Wisconsin, United States	NC7		1991	DEVELOPED			Breeding material		1082714	PI 587152
8	PI 707982	89S4154	Zea mays L. subsp. mays	Nebraska, United States	NC7		1990	DEVELOPED			Breeding material	Inbred selected for yield at low population, low nitrogen regime.	1061578	PI 707982
9	PI 531517	KyWS5	Zea mays L. subsp. mays	Kentucky, United States	NC7		1989	COLLECTED		Guadalajara	Breeding material	Breeding population with white endosperm kernel type and good combining ability. Maturity AES 800, 1557 growing degree days to mean flowering date. Cob white. Kernel endosperm white with good hardness quality. combining	1426453	PI 531517
10	PI 531518	KyWS6	Zea mays L. subsp. mays	Kentucky, United States	NC7		1989	COLLECTED		Guadalajara	Breeding material	Breeding population with white endosperm kernel type and good combining ability. Maturity ASE 700, 1502 growing degree days to mean flowering date. Cobs white. Kernel endosperm white with good hardness quality. Combining	1426454	PI 531518
11	PI 531083	Pa891	Zea mays L. subsp. mays	Pennsylvania, United States	NC7	Not Available	1989	DEVELOPED			Breeding material	Plant height 210cm. Maturity late AES 800. Leaves medium dark green. Tassels medium-large with 6-8 branches. Kernels small, semi-round, yellow-orange. Cobs red with 12 rows. combining ability good, best used as male because of small kernel size. Resistant to northern and southern leaf blights, leaf spot (Helminthosporium carbonum) race 3, and above average resistance to gray leaf spot (Cercospora zeae-maydis).	1426019	PI 531083
12	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
13	PI 693398	M14	Zea mays L. subsp. mays	Illinois, United States	NC7		1964	DEVELOPED	PRE 1932		Breeding material	Ben Moews (Moews Seed Company, Granville IL) developed M14 in the 1930s and donated it to the University of Illinois. It was one of the first commercially usable "Convergent Improved" inbreds. When released, M-14 was the only inbred listed in the Illinois Crop Improvement Association bulletin that was not produced by the USDA (from: http://www.moews.com/history.htm). It was developed from a single cross (BR10 x R8) and was used in double cross hybrids in the 1930s and 1940s (Bob Lambert, 2011, personal communication) Liu et al. 2003 (supplemental table S1: Pedigrees for Maize Inbreds) obtained three separate and conflicting pedigrees for M14 (a.k.a. Gn2; Don Duvick and Stan Jensen from Pioneer both indicated that Gn2 was derived from M14). (1) According to Bob Lambert at the University of Illinois (and Clarion Henderson of Illinois Foundation Seeds and Gerdes et.al., 1993), the pedigree is BR10 X R8, where BR10 is from Funk's Yellow Dent and R8 is from Texas Surecropper. (2) According to Tom Gocken at DeKalb, the pedigree is Lancaster X A, where A is a line from Funk's Yellow Dent. (3) According to records at Pioneer Hi-Bred, the pedigree is Lancaster X B21, where B21 is Fe2 X Steen 665. Ralph Hart of Moews Hybrids (Ben Moews developed M14 in the early 1930's) says that their existing records do not go back past 1966. Pioneer acquired Gn2 from Charlie Gunn of DeKalb Agricultural Research in 1935. DeKalb's records of it go back to 1932 (Tom Gocken, personal communication). Another source states:"This line was developed in our corn breeding program and has been assigned a formal designation be cause it appears to have value in hybrid combination." Inbred Lines of Corn Released to Private Growers from State and Federal Agencies 4/18/60. Small kernel, 16-18 rows. A description from Indiana in the Second Corn Improvement Conference Report of 1938 states: "Parent is BR10 X R8. It is from Ben Moews. It is early with fair pollen, short sturdy erect stalks with good roots. Ears are large with dark yellow smooth kernels. The Fourth and Fifth Corn Improvement Conferences Report for 1940 and 1941 describes M14 at Illinois having dark green leaves, a stiff short stalk anad ears poorly covered. The poor ear trait is transmitted to crosses. Ears are low on the pang and ear shanks are long. Ear length is good and grain is of good quality. It combines will with WF9 and 187-2.	1101016	PI 693398
14	PI 303928	NO. 1032 INBRED	Zea mays L. subsp. mays	Spain	NC7		1962	COLLECTED			Breeding material		1228202	PI 303928
15	PI 303929	NO. 1037 INBRED	Zea mays L. subsp. mays	Spain	NC7		1962	COLLECTED			Breeding material		1228203	PI 303929
16	Ames 19004	Va21A	Zea mays L. subsp. mays	Virginia, United States	NC7		1992	DEVELOPED			Breeding material		1082226	Ames 19004
17	Ames 19008	Va24	Zea mays L. subsp. mays	Virginia, United States	NC7		1992	DEVELOPED			Breeding material		1082234	Ames 19008
18	Ames 19010	Va37	Zea mays L. subsp. mays	Virginia, United States	NC7	Not Available	1992	DEVELOPED			Breeding material	Accession noted to be segregating yellow and orange kernels. This is an unreleased inbred line, suspected to be derived from Wf9 and T8. (VMB, 2025-11-20)	1082238	Ames 19010
19	Ames 19011	Va38	Zea mays L. subsp. mays	Virginia, United States	NC7		1992	DEVELOPED			Breeding material		1082239	Ames 19011