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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0GSHO 346Vrs1.dHordeum vulgare L. subsp. vulgare Colorado, United StatesNSGCKERNELS1994DONATED05/1994Genetic materialPlants homozygous for Vrs1.d have more lateral kernels than those with Vrs1.b (V), which is the common allele in two-rowed barley. Homozygosity for the Vrs1.d allele and the int-c.b (formally i) allele at the int-c (intermedium-c) locus prevents the development of ovules and awns in lateral spikelets. The Vrs1.d allele interacts with the Int-c.a (formally l) allele to cause development of a few fertile lateral spikelets. Presence of the Int-c.h (formally lh) allele contributes to a greater number of lateral kernels than Int-c.a. Inheritance: A partially dominant allele in the multiple allelic series at the vrs1 (six-rowed spike 1) locus. Located in chromosome 2HL, about 15.4 cM proximal from the Gth (toothed lemma locus, and 30.5 cM f from the eog (elongated outer glume) locus. Previous nomenclature and gene symbolization: Two-rowed barley of Hordeum distichon=Vd. Renamed Vrs1.d based on allelism tests. Mutational events: Vrs1.d or Vd in Svanhals (PI 5474). Mutant used for description and seed stock: Vrs1.d or Vd in Svanhals (GSHO 346).1512104GSHO 346