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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 702799MS153 (Goodman-Buckler)Zea mays L. subsp. mays Michigan, United StatesNC7EAR2019DEVELOPED1972Breeding materialThis is white-cobbed MS153 was received from the Buckler group in 2019 and corresponds to the material evaluated as part of the Goodman-Buckler 282 panel.2098636PI 702799
1PI 690389NC290Zea mays L. subsp. mays North Carolina, United StatesNC7KERNELS2006DEVELOPEDBreeding material1714715PI 690389
2PI 690330'NC358'Zea mays L. subsp. mays North Carolina, United StatesNC7KERNELSNot Available2003DEVELOPED1999Breeding material1645552PI 690330
3PI 693372N6Zea mays L. subsp. mays Nebraska, United StatesNC7KERNELS2003DEVELOPEDPRE 09/09/1941Breeding materialA 1941 description states that the inbred was selfed over 10 generations. Plants are small with narrow leaves. Foliage is medum green with a gray cast. Stalks have a reddish basal color. The tassel is heavy with abundant pollen shed except under heavy aphid infestations. Ears are short and erect on the stalk with 14 kernel rows and a short, stiff shank. Kernels are shallow and only slightly dented. Kernel color is yellow with a reddish cast. Silks are green and anthers are yellow.1645517PI 693372
4PI 607381B110Zea mays L. subsp. mays Iowa, United StatesNC7KERNELSNot Available1998DEVELOPED1998Breeding materialTall, vigorous line with excellent plant height that flowers 90-95 days after planting. Ears with 16 rows of dent, yellow kernels, and pink cobs. Developed by pedigree selection from a strain of Iowa Stiff Stalk Synthetic (BSSS), BS12(S)C51568910PI 607381
5PI 607383B113Zea mays L. subsp. mays Iowa, United States KERNELSHistoric1998DEVELOPED1998Breeding materialDark green, upright leaf orientation. Excellent plant health and good combining ability with lines having BSSS germplasm. Good seed yield of semi-dent. Ears with 14-16 rows, yellow kernels, and red cobs. Flowers 90-95 days after planting. Developed by pedigree selection from BS11 after nine cycles of reciprocal full-sib selection with BS10 as the tester.1568913PI 607383
6PI 597925'B107'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELSNot Available1997DEVELOPED1996Breeding materialDeveloped from Pool 41, which is a genetically broadbased population developed for temperate areas of the world by the CIMMYT maize breeding program. 90 to 95 day maturity, good grain moisture loss after physiological maturity, and above av1542722PI 597925
7PI 597926'B108'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1997DEVELOPED1996Breeding materialDeveloped from Pool 41, which is a genetically broadbased population developed for temperate areas of the world by the CIMMYT maize breeding program. 90 to 95 day maturity, good grain moisture loss after physiological maturity, and above average combining ability with lines from the Iowa Stiff Stalk Synthetic (BSSS) and non-BSSS heterotic groups.1542723PI 597926
8PI 597927'B109'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1997DEVELOPED1996Breeding materialDeveloped from cross of B73 and a selection from BS20 rootworm synthetic, designated as BS20(S)C1-73-1-1, and after one backcross to B73. Grain moisture at harvest and root and stalk strength similar to B73, but exhibits improved combining ability in crosses of lines from the Lancaster Sure Crop heterotic group. Maturity rating in crosses of 105 to 115 days.1542724PI 597927
9PI 594047B104Zea mays L. subsp. mays Iowa, United StatesNC7EAR1996DEVELOPEDCultivarDeveloped from BS13(S)C5, a strain of Iowa Stiff Stalk Synthetic after 12 cycles of recurrent selection. Has consistently had above average yield in crosses having primarily Lancaster Sure Crop germplasm. Flowers 2 to 4 days later than B73, but plant and ear heights are shorter than B73. Pollen production good, silk emergence coincident with pollen shed, ears have 12 to 14 rows of yellow dent kernels on pink cobs, and yield similar to that of B97. Maintains good plant health until physiological maturity. Maturity classification is AES800.1519249PI 594047
10PI 594048B105Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1996DEVELOPEDCultivarDeveloped from BSSS(R)C9-5, a strain of Iowa Stiff Stalk Synthetic that has been under reciprocal recurrent selection with Iowa Corn Borer Synthetic No. 1. Date of flowering and plant and ear heights are similar to B73. Silk emergence is delayed if heat and drought stress occur at flowering . Ears have 14 to 16 rows of yellow dent kernels on red cobs. Average root and stalk strength, average resistance to 1st-generation European corn borer (Ostrinia nubilalis), above-average resistance to grey leaf spot (Cercospora zeae-maydis), and average yield.1519250PI 594048
11PI 594049B106Zea mays L. subsp. mays Iowa, United StatesNC71996DEVELOPEDCultivarDeveloped from a Lancaster Sure Crop composite and was one of the lines intermated to form BS26. Flowering time similar to B73, Mo17, and B104. Pollen production above average, and silk emergence coincident with pollen shed. Ears have 10 to 12 rows of kernels on long, red cobs. Tends to have weak roots itself and in crosses. Good resistance to 1st-generation European corn borer (Ostrinia nubilalis), grey leaf spot (Cercospera zeae-maydis), and rust (Puccinia sorghi), and good stay green until physiological maturity. Maturity classification is AES800.1519251PI 594049
12PI 584529B100Zea mays L. subsp. mays Iowa, United StatesNC71994DEVELOPED12/19/1994Breeding materialFlowering time similar to A632. Plant and ear heights 20-30cm less than A632. Ears 14 rows, yellow, semi-flint kernels on white cobs. Good plant health, clean appearance, and easy to maintain.1482993PI 584529
13PI 583774'ML606'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1994DEVELOPED08/1993Cultivar1478745PI 583774
14PI 587153'W117'Zea mays L. subsp. mays Wisconsin, United StatesNC7KERNELS1993DEVELOPEDBreeding material1084341PI 587153
15PI 587154'W153R'Zea mays L. subsp. mays Wisconsin, United StatesNC7EAR1993DEVELOPEDBreeding material1084221PI 587154
16PI 564682'B97'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1992DEVELOPEDBreeding materialDeveloped from population of Iowa Corn Borer Syn. No. 1 (BSCB1) after nine cycles of reciprocal recurrent selection [BSCB1(R)C9-2]. Tall, vigorous line with above average resistance to first- and second-generation European corn borer (Ostrinia nubilalis) infestation, excellent stalk and root strength, and above average stay green after physiological maturity of grain. Ears have 14 rows of large, yellow dent kernels on intermediate length ears with red cobs. Tassels good pollen producers. Maturity classification is AES7001459653PI 564682
17PI 564683B98Zea mays L. subsp. mays Iowa, United StatesNC7KERNELSNot Available1992DEVELOPEDBreeding materialDeveloped from population of BS11 after five cycles of reciprocal full-sib selection [BS11(FR)C5-2803]. Tall plant type with dark green, narrow, upright leaf orientation. Above average resistance to diseases and first- and second-generation European corn borer (Ostrinia nubilalis) infestation. Yellow, flinty kernels are produced on ears with red cobs and 14 to 16 kernel rows. Maturity classification is AES8001459654PI 564683
18PI 587125'CO109'Zea mays L. subsp. mays Ontario, CanadaNC7KERNELS1992COLLECTEDBreeding material1082769PI 587125
19PI 587137'Ms71'Zea mays L. subsp. mays Michigan, United StatesNC7KERNELS1992DEVELOPEDBreeding material1082773PI 587137
20PI 587138'A554'Zea mays L. subsp. mays Minnesota, United StatesNC7KERNELS1992DEVELOPEDBreeding material1082747PI 587138
21PI 587147'Pa91'Zea mays L. subsp. mays Pennsylvania, United StatesNC7KERNELS1992DEVELOPEDBreeding material1082778PI 587147
22PI 587149'Va26'Zea mays L. subsp. mays Virginia, United StatesNC7KERNELS1992DEVELOPEDBreeding material1082784PI 587149
23PI 608767B84Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1992DEVELOPEDBreeding materialB84 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 AES800.1082045PI 608767
24PI 558518'Mo15W'Zea mays L. subsp. mays Missouri, United StatesNC7KERNELS1991DEVELOPEDBreeding materialEndosperm 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 AES900.1453490PI 558518
25PI 587129'H99'Zea mays L. subsp. mays Indiana, United StatesNC7KERNELS1991DEVELOPEDBreeding material1073895PI 587129
26PI 587152'W64A'Zea mays L. subsp. mays Wisconsin, United StatesNC7KERNELS1991DEVELOPEDBreeding material1082714PI 587152
27PI 690332'Oh43'Zea mays L. subsp. mays Ohio, United StatesNC7KERNELS1991DEVELOPEDBreeding material1082709PI 690332
28PI 693327C103Zea mays L. subsp. mays Connecticut, United StatesNC7KERNELS1991DEVELOPEDBreeding material1082701PI 693327
29PI 559918'NQ508'Zea mays L. subsp. mays Nebraska, United StatesNC7KERNELS1991DEVELOPED1991Cultivar1454890PI 559918
30PI 601567'PHH93'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1988DEVELOPED1988Algona, Iowa, USA.Cultivar1185645PI 601567
31PI 601566'MBST'Zea mays L. subsp. mays Illinois, United StatesNC7KERNELS1988DEVELOPED1988Cultivar1185644PI 601566
32PI 601558'11430'Zea mays L. subsp. mays Minnesota, United StatesNC7EAR1988DEVELOPED1988Cultivar1185636PI 601558
33PI 601494'LH65'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1988DEVELOPED1987Cultivar1178784PI 601494
34PI 601496'PHK76'Zea mays L. subsp. mays Minnesota, United StatesNC7KERNELS1988DEVELOPED1987Mankato, Minnesota, USA.Cultivar1178787PI 601496
35PI 601499'PHT77'Zea mays L. subsp. mays Minnesota, United StatesNC7KERNELS1988DEVELOPED1987Mankato, Minnesota, USA.Cultivar1178792PI 601499
36PI 601500'PHV63'Zea mays L. subsp. mays Tennessee, United StatesNC7KERNELS1988DEVELOPED1987Union City, Tennessee, USA.Cultivar1178795PI 601500
37PI 601501'PHW65'Zea mays L. subsp. mays Indiana, United StatesNC7EAR1988DEVELOPED1987Windfall, Indiana, USA.Cultivar1178796PI 601501
38PI 601430'807'Zea mays L. subsp. mays Wisconsin, United StatesNC7EAR1987DEVELOPED02/1987Cultivar1176839PI 601430
39PI 601466'LH59'Zea mays L. subsp. mays Iowa, United StatesNC7EAR1987DEVELOPED1987Cultivar1177910PI 601466
40PI 601457'IB02'Zea mays L. subsp. mays Wisconsin, United StatesNC7EARNot Available1987DEVELOPED1987Madison, Wisconsin, USA.Cultivar1177899PI 601457
41PI 601468'PHK29'Zea mays L. subsp. mays Nebraska, United StatesNC7KERNELS1987DEVELOPED1987York, Nebraska, USA.Cultivar1177912PI 601468
42PI 601438'78371A'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1987DEVELOPED1987Cultivar1177597PI 601438
43PI 601439'FBHJ'Zea mays L. subsp. mays Illinois, United StatesNC7KERNELS1987DEVELOPED1987Cultivar1177598PI 601439
44PI 601442'PHG86'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1987DEVELOPED1987Johnston, Iowa, USA.Cultivar1177602PI 601442
45PI 509542B89Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1987DEVELOPEDBreeding materialPlants produce one ear per stalk. Maturity classification AES800. Kernels with greater depth than width, angular, smooth dent, intermediate yellow and good quality. Ear short and thick, 20-rowed. Cob red. Pollen and seed production good. Susceptible to second-generation European corn borer. Some resistance to first-generation European corn borer.1404478PI 509542
46PI 601404'LH60'Zea mays L. subsp. mays Iowa, United StatesNC7EAR1987DEVELOPED1987Cultivar1174401PI 601404
47PI 601374'764'Zea mays L. subsp. mays Wisconsin, United StatesNC7EAR1987DEVELOPED1986Cultivar1173959PI 601374
48PI 601378'LP5'Zea mays L. subsp. mays Pays-de-la-Loire, FranceNC7KERNELS1987DEVELOPED1985Cultivar1173963PI 601378
49PI 601417'NS701'Zea mays L. subsp. mays Illinois, United StatesNC7KERNELS1987DEVELOPED1987Cultivar1176273PI 601417
50PI 601361'PHR36'Zea mays L. subsp. mays Indiana, United StatesNC7KERNELS1986DEVELOPED1986Windfall, Indiana, USA.Cultivar1173151PI 601361
51PI 601300'4676A'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1986DEVELOPED1986Cultivar1169989PI 601300
52PI 601318'PHG47'Zea mays L. subsp. mays Minnesota, United StatesNC7KERNELS1986DEVELOPED1986Mankato, Minnesota, USA.Cultivar1170379PI 601318
53PI 601320'PHG84'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1986DEVELOPED1986Johnston, Iowa, USA.Cultivar1170381PI 601320
54PI 601321'PHJ40'Zea mays L. subsp. mays Ontario, CanadaNC7EAR1986DEVELOPED1986Woodstock, Ontario, Canada.Cultivar1170382PI 601321
55PI 601322'PHZ51'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1986DEVELOPED1986Johnston, Iowa, USA.Cultivar1170383PI 601322
56PI 601269'5707'Zea mays L. subsp. mays Indiana, United StatesNC7KERNELS1986DEVELOPED1985Cultivar1169860PI 601269
57PI 550566'N192'Zea mays L. subsp. mays Nebraska, United StatesNC7KERNELS1985DEVELOPEDBreeding materialSimilar 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 AES600.1445502PI 550566
58PI 601229'PHG83'Zea mays L. subsp. mays Delaware, United StatesNC7EAR1985DEVELOPED1985Middletown, Delaware, USA.Cultivar1167980PI 601229
59PI 601211'78010'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1985DEVELOPED1985Cultivar1167901PI 601211
60PI 601171'LH93'Zea mays L. subsp. mays Iowa, United StatesNC7EAR1985DEVELOPED1985Cultivar1165597PI 601171
61PI 550558DE811Zea mays L. subsp. mays Delaware, United StatesNC7KERNELS1985DEVELOPEDPRE 01/1985Breeding materialYellow dent inbred. Leaves upright. Pollen production good. Yield average. Silks purple. Cob red. Yellow-brown kernels. Maturity is AES700-800. Resistant to southern corn leaf blight (Cochliobolus heterostrophus) and both generations of European corn borer (Ostrinia nubilalis).1445494PI 550558
62PI 601170'LH82'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1985DEVELOPED1984CultivarDent corn best adapted to most regions of the United States. Maturity of 73 days from emergence to 50% of plants in silk (1428 heat units). Plant is 176 cm in height to tassel tip, 76 cm ear height to base of top ear, 13 cm length of top ear internode, no tillers, strong two-ear tendency per stalk, and normal cytoplasm. Leaf 5GY 4/6 (Munsell Color Charts for Plant Tissues), less than 30 degrees angle from stalk (upper half), light sheath pubescence, few marginal waves, few longitudinal creases, 11 cm at widest point of ear node leaf and 73 cm long, and 11 leaves per mature plant. Tassel has 8 lateral branches, branch angle is less than 30 degrees from central spike, penduncle length is 0 cm from top leaf to basal branches, medium pollen shed, pink anther, and glume green with brown margin. Ear 14 cm long, 40 mm mid-point diameter, 116 grams, kernel rows distinct and 22 in number, silk color green, husk color light green when fresh and buff when dry, medium husk extension (barely covering ear) at harvest stage, husk leaf short (<8 cm), shank 14 cm long, 7 internodes, upright position at dry husk stage, slight taper, and average drying time. Kernel (from ear mid-point) 11 mm long, 7 mm wide, and 3 mm thick, shape grade 20-40, pericarp colorless, aleurone homozygous and white, endosperm yellow with normal starch, and 20 grams in weight per 100 seeds. Cob 27 mm in diameter at mid-point, strong, and red. Most closely resembles A632Ht for maturity, W153R for plant type, Wf9 for ear type, and LH39 for usage.1165596PI 601170
63PI 601150'PHG71'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1984DEVELOPED1984Algona, Iowa, USA.Cultivar1162354PI 601150
64PI 601037'PHG80'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1984DEVELOPED1984Johnston, Iowa, USA.CultivarField corn best adapted to the north central United States. Maturity of 71 days from emergence to 50% of plants in silk (1530 heat units). Plant is 186 cm in height to tassel tip, 63 cm ear height to base of top ear, 8 cm length of top ear internode, no tillers, single ear per stalk, and normal cytoplasm. Leaf dark green (observed olive green), 30-60 degrees angle from stalk (upper half), light sheath pubescence, few marginal waves, longitudinal creases absent, 11 cm at widest point of ear node leaf and 81 cm long, and 17 leaves per mature plant. Tassel has 5 lateral branches, branch angle is less than 30 degrees from central spike, penduncle length is 15 cm from top leaf to basal branches, light pollen shed, and green anther and glume. Ear 16 cm long, 37 mm mid-point diameter, 89 grams, kernel rows distinct, slightly curved, and 16 in number, silk color green, husk color dark green when fresh and buff when dry, short husk extension (ears exposed) at harvest stage, husk leaf long (>15 cm), shank 15 cm long, 8 internodes, pendent position at dry husk stage, and slight taper. Kernel (from ear mid-point) 8 mm long, 7 mm wide, and 3 mm thick, shape grade 20-40, pericarp colorless, aleurone homozygous and white, endosperm yellow with normal starch, and 19 grams in weight per 100 seeds. Cob 24 mm in diameter at mid-point, strong, and brown (observed pale reddish brown). Disease resistance rated susceptible to Southern Leaf Blight and Maize Dwarf Mosaic, and tolerant of Stalk Rot (Diplodia), Northern Leaf Blight, Bacterial Leaf Blight (Goss'), Stalk Rot (Fusarium), Stalk Rot (Gibberella), and Bacterial Wilt (Stewart's). Insect resistance rated susceptible to corn borer, earworm, rootworm (Western), and aphid. Most closely resembles B37 for maturity, plant type, ear type, and kernel type, and B73 for usage.1157676PI 601037
65PI 601079'LH123HT'Zea mays L. subsp. mays Iowa, United StatesNC7EARNot Available1984DEVELOPED1983CultivarDent type adapted to most areas of the U.S. Maturity 76 days from emergence to 50% of plants in silk (1503 heat units). Plant 276 cm in height to tassel tip, 101 cm to base of top ear, top ear internode is 18 cm long, no tillers, single ear per stalk, and normal cytoplasm. Leaf color 5GY 4/4 (Munsell Color Charts for Plant Tissues), 30-60 degree angle from stalk, medium sheath pubescence, few marginal waves, few longitudinal creases, 11 cm at widest point of ear node leaf, 76 cm ear node leaf, with 13 leaves per mature plant. Tassel has 7 lateral branches, 30-40 degree branch angle from central spike, penduncle length from top leaf to basal branches 9 cm, medium pollen shed, anther yellow and glume green with purple stripe. Ear 15 cm long, 40 mm mid-point diameter, 123 grams, 14 distinct and straight kernel rows, green silk, husk light green when fresh and buff when dry, husk extension barely covering ear, husk leaf less than 8 cm, shank 10 cm long with 7 internodes, upright at dry husk stage, slight taper, and average drying time (unhusked ear). Kernel 12 mm long, 8 mm wide, 4 mm thick, 40-60% rounds, light brown-copper (transparent) variegated pericarp, aleurone homozygous and white, endosperm yellow, normal starch type endosperm, and 21 grams per 100 seeds. Cob 28 mm diameter at mid-point, strong, and red. Resistant to Northern Leaf Blight. Insect resistance not tested. Most closely resembles LH51 for maturity and usage, and Oh43Ht for plant type. It is a parent of LH185, LH186, LH189, LH218, LH211, LH212, LH213, LH216, and LH281 among other lines.

LH123HT was designated LH123 in early developement, but after a couple of years of evaluation was found to posses the HT gene conferring northern leaf blight resistance. From that time on it was designated LH123HT. The designations LH123 and LH123HT are synonymous.
1161234PI 601079
66PI 601080'CR1HT'Zea mays L. subsp. mays Nebraska, United StatesNC7KERNELS1984DEVELOPED1983Cultivar1161235PI 601080
67PI 601005PH207Zea mays L. subsp. mays Indiana, United StatesNC7EAR1983DEVELOPED1983Tipton, Indiana, USA.Cultivar1157406PI 601005
68PI 601006'PHG50'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1983DEVELOPED1983Algona, Iowa, USA.Cultivar1157407PI 601006
69PI 601007'PHB09'Zea mays L. subsp. mays Minnesota, United StatesNC7KERNELS1983DEVELOPED1983Mankato, Minnesota, USA.Cultivar1157408PI 601007
70PI 601008'PHG35'Zea mays L. subsp. mays Minnesota, United StatesNC7EAR1983DEVELOPED1983Mankato, Minnesota, USA.Cultivar1157409PI 601008
71PI 600981'PHG39'Zea mays L. subsp. mays Indiana, United StatesNC7KERNELS1983DEVELOPED1983Tipton, Indiana, USA.CultivarDent type. Best adapted to most regions in the United States. 79 days from emergence to 50% of plants in silk (1575 heat units). Plant 253 cm tall (to tip of tassel), 96 cm ear height (to base of top ear), top ear internode 6 cm long, no tillers, one ear per stalk, normal cytoplasm type. Leaf color dark green, <30 degree angle from stalk (upper half), sheath pubescence light, no marginal waves, few longitudinal creases, 10 cm width at widest point of ear node leaf, 91 cm length of ear node leaf, 19 leaves per mature plant. Tassel has 8 lateral branches, >45 degree angle from central spike, penduncle 25 cm long from top leaf to basal branches, heavy pollen shed, anther yellow, glume green, pollen restoration for cytoplasms not tested. Ear 18 cm long, 34 mm midpoint diameter, 78 grams, 12 indistinct kernel rows, silk green, fresh husk dark green, dry husk buff, long husk extension at harvest (8-10 cm beyond ear tip), long (>15 cm) husk leaf, shank 13 cm long with 6 internodes, upright at dry husk stage, slight taper. Kernel 9 mm long, 8 mm wide, 7 mm thick, shape grade 20-40% rounds, colorless pericarp, aleurone homozygous and white, endosperm yellow and normal starch type, 29 grams per 100 seeds (unsized sample). Cob 22 mm in diameter at mid-point, strong, white. Tolerant of stalk rot (Diplodia, Fusarium, and Gibberella), southern leaf blight, common corn smut, and head smut. Susceptible to northern leaf blight, southern rust, maize dwarf mosaic, and Stewart's bacterial wilt. Susceptible to European corn borer, earworm, Western rootworm, and aphid. Most closely resembles B73 for maturity, plant type, ear type, kernel type, and usage.1156603PI 600981
72PI 600957'LH74'Zea mays L. subsp. mays Iowa, United StatesNC7EAR1983DEVELOPED1981Cultivar1156009PI 600957
73PI 600958'FAPW'Zea mays L. subsp. mays Illinois, United StatesNC7KERNELS1983DEVELOPED1982Cultivar1156010PI 600958
74PI 600959'LH145'Zea mays L. subsp. mays Iowa, United StatesNC7EAR1983DEVELOPED1983CultivarDent type. Best adapted to most regions in the United States. 60 days from emergence to 50% of plants in silk (1294 heat units). Plant 207 cm tall (to tip of tassel), 82 cm ear height (to base of top ear), top ear internode 15 cm long, no tillers, slight two-ear tendency per stalk, normal cytoplasm type. Leaf color 7.5 Gy 5/6 (Munsell color charts for plant tissues), 30-60 degree angle from stalk (upper half), sheath pubescence light, few marginal waves, few longitudinal creases, 8 cm width at widest point of ear node leaf, 78 cm length of ear node leaf, 12 leaves per mature plant. Tassel has 6 lateral branches, 30-40 degree angle from central spike, penduncle 0 cm long from top leaf to basal branches, medium pollen shed, anther pink, glume green with purple stripes, pollen restoration for cytoplasms not tested. Ear 16 cm long, 32 mm midpoint diameter, 58 grams, 14 distinct and straight kernel rows, silk green, fresh husk dark green, dry husk buff, medium husk extension at harvest (barely covering ear), short (<8 cm) husk leaf, shank 8 cm long with 7 internodes, horizontal at dry husk stage, average taper, average drying time for unhusked ear. Kernel 10 mm long, 5 mm wide, 3 mm thick, shape grade 40-60% rounds, variegated pericarp colorless brown and light bronze at embryo end, aleurone homozygous and white, endosperm yellow and normal starch type, 22 grams per 100 seeds (unsized sample). Cob 20 mm in diameter at mid-point, strong, red. Resistant to northern leaf blight (race 1). Most closely resembles A635Ht for maturity, and A632Ht for plant type, ear type, kernel type, and usage.1156011PI 600959
75PI 600944'LH39'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1982DEVELOPED1980CultivarDent type best adapted to the north central United States. Plant 203 cm in height, 78 cm to base of top ear, and 10 cm top ear internode length, with no tillers, three ear tendency, and normal cytoplasm. Leaves medium green, 30-60 degree angle from stalk, medium sheath pubescence, few marginal waves or longitudinal creases, 10 cm wide and 75 cm long, with 10 leaves per plant. Tassel has 11 lateral branches with greater than 45 degree angle from central spike, 7 cm from top leaf to basal branches, heavy pollen shed, yellow anther, and green glume. Pollen restoration for C cytoplasm is good. Ear 16 cm long, 42 mm in diameter at midpoint, 96 grams in weight, with 14 indistinct and slightly curved kernel rows. Green silk color. Husk color light green when fresh and buff when dry. Short husk extention at harvest stage with 8-15 cm husk leaves. Ear shank 8 cm long with 6 internodes. Ears are upright at dry husk stage with a slight taper and a fast drying time. Kernel (from ear midpoint) 9 mm long, 8 mm wide, and 4 mm thick. Kernel shape grade is 20-40% rounds. Colorless pericarp, homozygous white aleurone, and yellow endosperm with normal starch. 100 seed weight of 22 grams. Cob is 26 mm in diameter at midpoint, strong, and white. Not tested for disease of insect resistance.1152908PI 600944
76PI 600791'LH38'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1981DEVELOPED1980Cultivar1131311PI 600791
77PI 600772'FR19'Zea mays L. subsp. mays Wisconsin, United StatesNC7KERNELS1980DEVELOPED1978Cultivar1130201PI 600772
78PI 550473'B73'Zea mays L. subsp. mays Iowa, United StatesNC7EAR1972DEVELOPEDBreeding materialPlant 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.1445409PI 550473
79PI 550467'B37'Zea mays L. subsp. mays Iowa, United StatesNC7EAR1971DEVELOPEDBreeding materialPlant 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.

1445403PI 550467
80PI 558532'Mo17'Zea mays L. subsp. mays Missouri, United StatesNC7KERNELS1964DEVELOPEDBreeding materialEndosperm 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 AES800.1453504PI 558532
81PI 693397Oh40BZea mays L. subsp. mays Ohio, United StatesNC7KERNELS1963DEVELOPEDBreeding materialOhio Research bulletin 831 (see app. for more info.) Illinois Seed Producers Assoc. "Inbred Lines of Corn Released to Private Growers from State and Federal Agencies" 3rd revision, April 18,1960, p.71097362PI 693397
82PI 151531Os426Zea mays L. subsp. mays Maryland, United StatesNC7KERNELS1945COLLECTED1888633PI 151531
83PI 146374'Wf9'Zea mays L. subsp. mays Indiana, United StatesNC7KERNELS1943DEVELOPEDBreeding material1879515PI 146374
84Ames 30918Pa36Zea mays L. subsp. mays Pennsylvania, United StatesNC72011DEVELOPEDBreeding material1868960Ames 30918
85Ames 30554W602SZea mays L. subsp. mays Wisconsin, United StatesNC72010DEVELOPEDBreeding materialW602S is a silage inbred. It possesses low neutral detergent fiber and acid detergent fiber content; high in vitro true digestibility; high in vitro neutral detergent fiber digestibility; and high starch content.1843116Ames 30554
86Ames 30556W604SZea mays L. subsp. mays Wisconsin, United StatesNC72010DEVELOPEDBreeding materialW604S is a silage inbred. It exhibits below-average neutral detergent fiber and acid detergent fiber content; high in vitro true digestibility; and high in vitro neutral detergent fiber digestibility.1843118Ames 30556
87Ames 24590I198Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1998DEVELOPEDBreeding material1559779Ames 24590
88Ames 23419'A310'Zea mays L. subsp. mays Minnesota, United StatesNC71996DEVELOPEDBreeding material1535044Ames 23419
89Ames 23427'A374'Zea mays L. subsp. mays Minnesota, United StatesNC7KERNELS1996DEVELOPEDBreeding material1535110Ames 23427
90Ames 23428'A375'Zea mays L. subsp. mays Minnesota, United StatesNC71996DEVELOPEDBreeding material1535124Ames 23428
91Ames 22757Pa405Zea mays L. subsp. mays Pennsylvania, United StatesNC7Not Available1996DEVELOPEDCultivar1517111Ames 22757
92NSL 30065W9Zea mays L. subsp. mays Wisconsin, United StatesNC7Not Available1968DEVELOPEDPRE 09/1968Breeding materialEarly maturing, a 1st cycle line from Wisconsin Golden Glow, yellow grain, rather susceptible to stalk rotting organisms. Good tolerance to seed decaying organisms.1099016NSL 30065
93NSL 30060W23Zea mays L. subsp. mays Wisconsin, United StatesNC71964DEVELOPEDBreeding material1098998NSL 30060
94NSL 30074W182EZea mays L. subsp. mays Wisconsin, United StatesNC71964DEVELOPEDBreeding materialEarly maturity, ears tend medium short and are thicker, good combing ability and grain quality.1099040NSL 30074
95NSL 28965Oh33Zea mays L. subsp. mays Ohio, United StatesNC71963DEVELOPEDBreeding materialOhio Research Bulletin 831. (see app. for more info.) Illinois Seed Producers Assoc. "Inbred Lines of Corn released to Private Growers from State and Federal Agencies" 3rd revision, April 18, 1960, p.71097359NSL 28965