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| ACCESSION | PLANT NAME | TAXONOMY | ORIGIN | GENEBANK | IMAGE | AVAILABILITY | RECEIVED | SOURCE TYPE | SOURCE DATE | COLLECTION SITE | COORDINATES | ELEVATION | HABITAT | IMPROVEMENT LEVEL | NARRATIVE | | |
|---|
| 0 | GSHO 27 | smooth awn 1 | Hordeum vulgare L. subsp. vulgare | Colorado, United States | NSGC |  | | 1994 | DONATED | 05/1994 | | | | | Genetic material | Barbs or teeth on the margins of the awn are absent and the size and number of barbs on the central vein are reduced. Plants homozygous for the raw1.a allele have a semi-smooth awn when other recessive genes reducing the number and/or size of the barbs are absent. The presence of these other genes may cause a complete absence of barbs on the awn. The number of stigma hairs is decreased greatly in plants homozygous for raw1.a, and reduced seed set may occur in some genotype-environment combinations. Inheritance: Monofactorial recessive. Located in chromosome 5HL [7L], about 26.8 cM distal from the srh (short rachilla hair) locus. Previous nomenclature and gene symbolization: Smooth awn=r. Smooth awn=a. Mutational events: raw1.a in Lion (CIho 923). Mutant used for description and seed stocks: raw1.a in Lion (GSHO 27); raw1.a in Bowman (PI 483237), probably from Lion via Midwestern six-rowed cultivars; Raw1 from CIho 2376 in Bowman*8 (GSHO 2124). | 1510653 | GSHO 27 |