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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 652866'HiC1'Zea mays L. subsp. mays Hawaii, United StatesNC7KERNELS2008DEVELOPEDBreeding materialComposite homozygous for the high-lysine gene opaque-2 based on 18 cycles of breeding. Yellow-kernelled. The Ht gene sought from H84 for tolerance of blight [Exserohilum tercicum] was shown to be overcome by racial variation of this pathogen in the topics. Population was then carried through 14 cycles of recurrent mass selection in Hawaii. Intensive selection was made for tolerance to kernel and ear rots due to Fusarium verticilliodes that are severe on soft-kerneled floury genotypes. Two cycles involved seeds planted following selection on the basis of increased hard or vitreous endosperm. Most cycles of selection were grown under high insect pressure from earworms and disease pressures from viruses and rusts.1749133PI 652866
1PI 652867'HiC2'Zea mays L. subsp. mays Hawaii, United StatesNC7KERNELS2008DEVELOPEDBreeding materialThe composite segregates widely for morphological traits and for ear traits. Has been advanced without stringent selection for plant or ear type. Is yellow kernelled and flinty. Has not segregated perennial plants which is surmised to be related to the fact that the population has the maize cytoplasm. Tillering and flag-leaf development occur together in about 10% of the plants.1749201PI 652867
2PI 652868'HiC3'Zea mays L. subsp. mays Hawaii, United StatesNC7EAR2008DEVELOPEDBreeding materialPopulation is tall, ears are high and kernels are flinty; does not have high tolerance of southern rust. Estimated phenotypic frequencies include 60% white endosperm, 15% red/purple aleurone, 10% variegated pericarp, 8% red pericarp, 5% bronze aleurone, 5% sugary or brittle-1 endospern, 2% purple plant, and 2% opaque-2 or floury-2 endosperm.1749213PI 652868
3PI 652869'HiS1'Zea mays L. subsp. mays Hawaii, United StatesNC7KERNELS2008DEVELOPEDBreeding materialInbred-based synthetic bred for high general resistance of Northern blight [Exserohilum turcicum]. Evaluations were made at Mealani Research Station on the Island of Hawaii at 2700 ft. elevation, where this disease is severere annually. Yellow-kernelled and flinty.1749240PI 652869
4PI 652870'HiS2'Zea mays L. subsp. mays Hawaii, United StatesNC7KERNELS2008DEVELOPEDBreeding materialSynthetic based on 18 inbreds with superior general combining ability (GCA). Parentage was about 50% temperate; performance should optimize in subtropical regions like Hawaii. Advanced through 5 cycles of recurrent selection, has excellent form and agronomic traits in Hawaii. Predominantly yellow flint with ~5% white kernels.1749241PI 652870
5PI 652871'HiS3'Zea mays L. subsp. mays Hawaii, United StatesNC7KERNELS2008DEVELOPEDBreeding materialInbred-based synthetic developed with high general resistance of Southern rust (Puccinia polysora). Evaluations made at Waimanalo Res. Station on Island of Oahu at sea level, where this disease is praticularly severe every winter and none of the Rpp monogenes are effective. Predominantly a yellow flint with ~10% white kernels. Very high tolerance of rust has been verified in disease nurseries in which susceptible temperate hybrids failed to produce grain. Proved outstanding in yield.1749242PI 652871
6PI 652872'HiS4'Zea mays L. subsp. mays Hawaii, United StatesNC7KERNELS2008DEVELOPEDBreeding materialInbred-based synthetic developed with high general resistance of common rust (Puccinia sorghi). High tolerance of the common rust races present in Hawaii has been verified in several disease nurseries, and it has been outstanding in yield. Predominantly a yellow corn that ranges from hard flint to semi-dent that segregates ~5% white kernels.1749280PI 652872
7PI 652873'HiS5'Zea mays L. subsp. mays Hawaii, United StatesNC7KERNELS2008DEVELOPEDBreeding materialInbred-based synthetic developed with high general resistance to Southern blight [Bipolaris maydis]. This disease is not common in Hawaii; our evaluations and selection of parent inbreds relied on collaborators in Cameroon, Mexico, Korea, India and Nigeria. Kernels range from yellow to range and from hard flint to semi-dent.1749288PI 652873
8PI 652874'HiS6'Zea mays L. subsp. mays Hawaii, United StatesNC7KERNELS2008DEVELOPEDBreeding materialSynthetic based on 38 yellow-kernelled inbreds with superior agronomic traits and hybrid performance in Hawaii.1749292PI 652874