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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 587139'A619'Zea mays L. subsp. mays Minnesota, United StatesNC7KERNELS1992DEVELOPED1957Breeding material1082749PI 587139
1PI 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
2PI 600957'LH74'Zea mays L. subsp. mays Iowa, United StatesNC7EAR1983DEVELOPED1981Cultivar1156009PI 600957
3PI 441934G-120Zea mays L. subsp. huehuetenangensis (H. H. Iltis & Doebley) Doebley Huehuetenango, GuatemalaNC7SEED1980COLLECTED01/09/1976Along road to Jacaltenango, about 1.5-2.5 km east-northeast of San Antonio Huista.15.65000000, -91.766666671350Region of subtropical dry forest. Maize fields and abandoned old maize fields with large populations of Zea m. mexicana and many (about 5% or more) F1 hybrids, on steep slopes.Wild material1336870PI 441934
4PI 343234Wilkes 45121Zea mays L. subsp. mexicana (Schrad.) H. H. Iltis Guanajuato, MexicoNC7Not Available1969COLLECTED11/24/1963Edge of field near Cerro 8 km. east of Uriangato, Guanajuato.20.16000000, -101.740000001850Wild materialRACE: Central Plateau Plant 139 cm. high, 3.9 tillers, 11.4 nodes, green to sun red, slightly pubescent; 78 days to flower.1256057PI 343234
5PI 343239Wilkes 47335Zea mays L. subsp. parviglumis H. H. Iltis & Doebley Guerrero, MexicoNC7Not Available1969COLLECTED12/1963Mazatlan.17.45000000, -99.483333331350Pasture area.Wild materialRACE: Balsas Plant 106 cm. high, 12.5 tillers, 11.1 nodes, green to dilute sun red; sheath almost glabrous; 90 days to flower.1256061PI 343239
6PI 343240Wilkes 47711Zea mays L. subsp. parviglumis H. H. Iltis & Doebley Guerrero, MexicoNC7Not Available1969COLLECTEDMountainside near fields, Cerro Ranchos Nuevos on the Teloloapan-Arcelia Road, Guerrero.1510Wild materialRACE: Balsas Plant 165 cm. high, 6.6 tillers, 12.9 nodes, green to dilute sun red; sheath almost glabrous; 86 days to flower.1256062PI 343240
7PI 343242Wilkes 47890Zea mays L. subsp. parviglumis H. H. Iltis & Doebley Michoacán de Ocampo, MexicoNC7Not Available1969COLLECTED12/21/1963East of Huetamo.18.58333333, -100.88333330600Cerro (hill).Wild materialRACE: Balsas Plant 25 cm. high, 8.4 tillers, 10.9 nodes, green to dilute sun red; sheath almost glabrous; 92 days to flower.1256064PI 343242
8PI 343244Wilkes 48703Zea mays L. subsp. mexicana (Schrad.) H. H. Iltis Michoacán de Ocampo, MexicoNC7Not Available1969COLLECTED12/1963Copandaro.19.93333333, -101.600000001850Edge of field.Wild materialRACE: Central Plateau Plant 170 cm. high, 6.0 tillers, 14 nodes, green to sun red; slightly pubescent; 79 days to flower.1256066PI 343244
9PI 343246Wilkes AmecamecaZea mays L. subsp. mexicana (Schrad.) H. H. Iltis México, MexicoNC7Not Available1969COLLECTED12/1963Cornfield near Amecameca, Valley of Mexico, Mexico state.19.11666667, -98.750000002350Wild materialRACE: Chalco Plant 197 cm. high, 2.9 tillers, 14,4 nodes, plant color sun red; sheath pilose; 82 days to flower.1256068PI 343246
10PI 343247Wilkes ChalcoZea mays L. subsp. mexicana (Schrad.) H. H. Iltis México, Mexico Historic1969COLLECTED11/1962Cornfield near Chalco, Valley of Mexico, Mexico.2250Wild materialChalco race. Cornfield near Chalco, Valley of Mexico, Mexico. Plant 194 cm. high, 3.9 tillers, 15.3 nodes, red, sheath pilose; 79 days to flower.2138962PI 343247
11PI 343232Wilkes HuistaZea mays L. subsp. huehuetenangensis (H. H. Iltis & Doebley) Doebley Huehuetenango, Guatemala Historic1969COLLECTED01/1964Canyon near San Antonio Hiusta, Huehuetenango.15.66666667, -91.666666671300Wild materialRACE: Huehuetenango Plant 173 cm. high, 11.5 tillers, 14.3 nodes, green to dilute sun red, slight pubescence; 104 days to flower.1256055PI 343232
12Ames 218821050Zea perennis (Hitchc.) Reeves & Mangelsd. Jalisco, MexicoNC7SEEDNot Available1992COLLECTED12/31/1978Piedra Ancha, 15 km west-southwest of Ciudad Guzman.19.63333333, -103.583333332150Within orchard and upper quebrada (ravine), gentle flat slopes, very loose soil (fluffy volcanic ash?), continually and thoroughly stirred by a large rabbit-size burrowing rodent.Wild materialType locality is Ciudad Guzman. Rhizomes loosely intertwined. At date of collection, primary culms with dead tassels and leaves, with mature female spikelets (with alsmot all seeds shed) most prominent, with sprouting 1-4 fresh green secondary branches (1-2 dm long) in lower half of plants not uncommon. Rhizomes locally and in great abundance sprouting slender 3-6 dm long "short shoot" culms, these with usually only one, terminal, nearly sessile, female spike hidden among the clustered terminal leaves, less frequently with 2-3 lateral spikes on stem beneath (these fertile shoots resembling plants of Panicum clandestinum). Young green "short shoots" in all stages, from mature fruit to full bloom, but no evidence of any male inflorescences (cleistogamy?). There is a more-or-less clear dichotomy between the two types of stems. Mature main stems about 1.4-1.7 meters tall. After cutting (in certain areas), the secondary female "short shoots" prominent, but the above description from an area with no recent disturbance. All short shoots coming out of the rhizomes are strictly female. The female spikes of short shoots more-or-less as fertile as those of tall shoots even without any male tassels. Informant considered plants weeds to be destroyed, and also suggested these may have been planted 30 years ago for forage, which we doubt (he was less than 30 years old). Same location as Guzman 1388.1087279Ames 21882
13NSL 30060W23Zea mays L. subsp. mays Wisconsin, United StatesNC7KERNELS1964DEVELOPEDBreeding material1098998NSL 30060