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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 607513AS-AZea mays L. subsp. mays Minnesota, United StatesNC7KERNELS1991DEVELOPEDBreeding materialYellow dent population developed from controlled six and eight-way crosses among 13 inbred lines (A90, A498, A508, A509, A513, CMD5, MS1334, ND203, W33, W59M, W65, W79A, W103). These crosses were randomly mated for six generations to produce the population. AS-A was used in a study of recurrent selection methods (Crop Sci. 11:658-661). AS-A is of AES300 maturity and has good stalk strength.1071504PI 607513
1PI 607514AS-BZea mays L. subsp. mays Minnesota, United StatesNC7KERNELS1991DEVELOPEDBreeding materialYellow dent population developed from 12 inbred lines (A90, A498, A508, A509, A513, ND203, R5, V3, W33, W65, W79A, W103). Emphasis was placed on earliness in that W103 made up 5/16 of the base population. Controlled crossing among the inbred lines produced eight-way crosses which were randomly mated for six generations. AS-B has good stalk strength and is of AES200 maturity.1071505PI 607514
2PI 607515AS-DZea mays L. subsp. mays Minnesota, United StatesNC7KERNELS1991DEVELOPEDBreeding materialYellow semident population developed from crosses involving eight inbred lines (A73, B14, CO106, ND255, Oh43, V3, WD, WF9). Selections from these crosses were randomly mated for six generations. The population was then subjected to several cycles of mass selection for early flowering and resistance to smut (caused by Ustilago maydis). AS-D is of AES100-200 maturity.1071516PI 607515
3PI 607516AS-DK(S)C3Zea mays L. subsp. mays Minnesota, United StatesNC7KERNELS1991DEVELOPEDBreeding materialYellow floury population. Deep kernel variety of Peruvian origin, was crossed with 10 inbred lines (A90, A427, A495, A498, A509, A513, A556, CMD5, MS1334, ND203) to form AS-DK C0. Three cycles of recurrent selection for kernel depth were completed using the S1 progeny method, followed by three generations of random mating. Developed to provide a source of deep-kernel germplasm adapted to temperate latitudes. Kernels average 1.5 cm in depth. AES500 maturity.1071517PI 607516
4PI 607517AS-GZea mays L. subsp. mays Minnesota, United StatesNC7KERNELS1991DEVELOPEDBreeding materialDark yellow flint population developed by crossing Netherlands and USSR introductions with early-flowering selections from early x late crosses among inbred lines of USA origin. These crosses were randomly mated for six generations. Very early population of AES100 maturity.1071528PI 607517
5PI 607518AS-3(HT)C3Zea mays L. subsp. mays Minnesota, United StatesNC7KERNELS1991DEVELOPEDBreeding materialYellow dent population. AS-3(HT)C0 (formerly designated Minnesota Synthetic 3) was developed from random mating an eight-way cross of inbreds A73, A286, A295, A375, Oh5, Oh43, Oh51A, W22. Three cycles of half-sib recurrent selection for grain yield were completed with the tester Minnesota Synthetic 1 (Developed from intercrossing A71, A374, B164, Mich. 265, Mich. 401, SD100, W20, WR3). Effects of recurrent selection on genetic variability and performance of a synthetic maize variety were reported (Achmad Baihaki. 1973. M.S. Thesis, University of Minnesota, St. Paul). AS-3(HT)C3 is of AES500-600 maturity.1071529PI 607518