International Database for Barley Genes and Barley Genetic Stocks
BGS 655, Brachytic 12, brh12
Stock number: BGS 655
Locus name: Brachytic 12
Locus symbol: brh12
Previous nomenclature and gene symbolization:
Brachytic-o = brh.o (4).
Inheritance:
Monofactorial recessive (4, 5).
Located in chromosome 5HS (1); brh12.o is approximately 13.5 cM distal from SSR marker Bmag0387 in 5H bin 03 (1); brh12.o is associated with SNP markers 1_1198 to 2_1244 (positions 73.70 to 91.0 cM) in 5H bins 04 to 05 of the Bowman backcross-derived line BW083 (2).
Located in chromosome 5HS (1); brh12.o is approximately 13.5 cM distal from SSR marker Bmag0387 in 5H bin 03 (1); brh12.o is associated with SNP markers 1_1198 to 2_1244 (positions 73.70 to 91.0 cM) in 5H bins 04 to 05 of the Bowman backcross-derived line BW083 (2).
Description:
Plants are 2/3 to 3/4 of normal height. Awns and peduncles are about 3/4 normal length. The length of the rachis internodes is about 3/4 of normal sibs. Seedling leaves of brh12.o plants are relatively short (1, 3). Kernels of the Bowman backcrossed-derived line for brh12, BW083, were shorter (7.9 vs. 9.6 mm) and about 20% lighter than those of Bowman. Grain yields of BW083 averaged slightly more than 1/2 of those for Bowman (1, 3).
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Origin of mutant:
A sodium azide induced mutant in Birgitta (NGB 14667, NGB 1494, NSGC 1870) (6).
Mutational events:
brh12.o (17:20:2, DWS1012, GSHO 1680) in Birgitta (NGB 14667, NGB 1494, NSGC 1870) (5, 6).
Mutant used for description and seed stocks:
brh12.o (GSHO 1680) in Birgitta; brh12.o in Bowman (PI 483237)*7 (GSHO 2173, BW083, NGB 20490).
References:
1. Dahleen, L.S., L.J. Vander Wal, and J.D. Franckowiak. 2005. Characterization and molecular mapping of genes determining semidwarfism in barley. J. Hered. 96:654-662.
2. Druka, A., J. Franckowiak, U. Lundqvist, N. Bonar, j. Alexander, K. Houston, S. Radovic, F. Shahinnia, V. Vendrarnin, M. Morgante, N. Stein, and R. Waugh. 2011. Genetic dissection of barley morphology and development. Plant Physiol. 155:617-627.
3. Franckowiak, J.D. (Unpublished).
4. Franckowiak, J.D. 1995. The brachytic class of semidwarf mutants in barley. Barley Genet. Newsl. 24:56-59.
5. Franckowiak, J.D., and A. Pecio. 1992. Coordinator’s report: Semidwarf genes. A listing of genetic stocks. Barley Genet. Newsl. 21:116-127.
6. Lehmann, L.C. 1985. (Personal communications).
2. Druka, A., J. Franckowiak, U. Lundqvist, N. Bonar, j. Alexander, K. Houston, S. Radovic, F. Shahinnia, V. Vendrarnin, M. Morgante, N. Stein, and R. Waugh. 2011. Genetic dissection of barley morphology and development. Plant Physiol. 155:617-627.
3. Franckowiak, J.D. (Unpublished).
4. Franckowiak, J.D. 1995. The brachytic class of semidwarf mutants in barley. Barley Genet. Newsl. 24:56-59.
5. Franckowiak, J.D., and A. Pecio. 1992. Coordinator’s report: Semidwarf genes. A listing of genetic stocks. Barley Genet. Newsl. 21:116-127.
6. Lehmann, L.C. 1985. (Personal communications).
Prepared:
J.D. Franckowiak and L.S. Dahleen. 2007. Barley Genet. Newsl. 37:295.
Revised:
J.D. Franckowiak. 2015. Barley Genet. Newsl. 45:233.
