International Database for Barley Genes and Barley Genetic Stocks
BGS 306, Variegated 1, var1
Stock number: BGS 306
Locus name: Variegated 1
Locus symbol: var1
Previous nomenclature and gene symbolization:
Variegated = va (4).
Inheritance:
Monofactorial recessive (4).
Located in chromosome 5HL (4); var1.a is about 4.6 cM proximal from the raw1 (smooth awn 1) locus (3. 4); var1.a is about 29.2 cM proximal from the Rph9 (reaction to Puccinia hordei 9) locus in 5H bin 09 (1).
Located in chromosome 5HL (4); var1.a is about 4.6 cM proximal from the raw1 (smooth awn 1) locus (3. 4); var1.a is about 29.2 cM proximal from the Rph9 (reaction to Puccinia hordei 9) locus in 5H bin 09 (1).
Description:
Narrow white stripes develop on young leaves, but they are not as well defined than those of white streak 7 (wst7). White stripes are visible on the foliage and stems of older plants (3). When sown in plots, selections homozygous for the var1.a gene have a whitish cast until heading (2). The Bowman backcross-derived line for var1 shows slightly delayed heading and may be slightly shorter (2).
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Origin of mutant:
A gamma-ray induced mutant in Montcalm (CIho 7149) (4).
Mutational events:
var1.a (Alb Acc 311, GSHO 1278) in Montcalm (CIho 7149) (4).
Mutant used for description and seed stocks:
var1.a (GSHO 1278) in Montcalm; var1.a in Bowman (PI 483237)*7 (GSHO 2121, BW886, NGB 22319).
References:
1. Borovkova, I.G., Y. Jin, and B.J. Steffenson. 1998. Chromosomal location and genetic relationship of leaf rust resistance genes Rph9 and Rph12 in barley. Phytopathology 88:76-80.
2. Franckowiak, J.D. (Unpublished).
3. Jensen, J. 1981. Construction of a barley chromosome 7 linkage map. p. 927-939. In M.J.C. Asher, R.P. Ellis, A.M. Hayter, and R.N.H. Whitehouse (eds.) Barley Genetics IV. Proc. Fourth Int. Barley Genet. Symp., Edinburgh. Edinburgh Univ. Press, Edinburgh.
4. Walker, G.W.R., J. Dietrich, R. Miller, and K. Kasha. 1963. Recent barley mutants and their linkages II. Genetic data for further mutants. Can. J. Genet. Cytol. 5:200-219.
2. Franckowiak, J.D. (Unpublished).
3. Jensen, J. 1981. Construction of a barley chromosome 7 linkage map. p. 927-939. In M.J.C. Asher, R.P. Ellis, A.M. Hayter, and R.N.H. Whitehouse (eds.) Barley Genetics IV. Proc. Fourth Int. Barley Genet. Symp., Edinburgh. Edinburgh Univ. Press, Edinburgh.
4. Walker, G.W.R., J. Dietrich, R. Miller, and K. Kasha. 1963. Recent barley mutants and their linkages II. Genetic data for further mutants. Can. J. Genet. Cytol. 5:200-219.
Prepared:
T.E. Haus and T. Tsuchiya. 1971. Barley Genet. Newsl. 1:165.
Revised:
J.D. Franckowiak. 1997. Barley Genet. Newsl. 26:257.
J.D. Franckowiak. 2007. Barley Genet. Newsl. 37:259.
J.D. Franckowiak. 2007. Barley Genet. Newsl. 37:259.
