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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 663870KS12WGGRC55Triticum aestivum L. subsp. aestivum Kansas, United StatesNSGCImage2011DEVELOPEDGenetic materialKS12WGGRC55 is derived from the cross 'Overley/TA3809 F2110verley F2/3/Amadina F2', where TA3809 is a Chinese Spring stock homozygous for the phi b mutant allele, which is a 70-Mbp deletion at the pairing homoeologous (Phi) locus. In homozygous phi b plants, homoeologous wheat chromosomes and, in 'wheat x alien' species hybrids, homoeologous wheat and alien chromosomes from related species can pair and recombine, allowing the production of wheat-alien recombinants. KS12WGGRC55 is homozygous for phi b, which results in homoeologous chromosome pairing in about 46% of the pollen mother cells. The transfer of phi b to adapted hard red winter wheats will accelerate the production and evaluation of wheat-alien recombinants under field conditions and their use in wheat improvement.1888702PI 663870