VI. 1. List of BGS numbers newly assigned in 1984 (1)

(1) Supported by USDA/CSU Cooperative Research Project Grant 58-9AHZ-2-265 and CSU Hatch Project.

Some descriptions were revised or corrected (BGS 0057 and 0102) and new descriptions were added in this issue. These genetic stocks with new BGS numbers listed in this table were not included in the gene list in VII. 1 (BGN 14:100-139). However, stocks with revisions or corrections
were listed in VII. 1.

T. Tsuchiya
Barley Genetic Stock Center
Department of Agronomy
Colorado State University
Fort Collins, Colorado 80523
U.S.A.

Table 1. List of genes with BGS numbers. Revised and new additions.
 

BGS 0057        Lesser internode number            lin

Previous nomenclature and gene symbolization:
Low number of rachis internode s (4).
Number of rachis internode Rin rin (1).
Reduced internode number, rin
Lax and dense, Rin rin (2)

Inheritance:
Monofactorial recessive (3, 4, 5).
Located on chromosome 2 (3, 5).

Description:
Number of rachis internodes in the cultivar Triple Bearded Club Mariout (C.I. 2523) was 12 to 20 with the mean number of 15.3, while in the cultivar Spartan it was 18 to 28 with the mean of 22.9 (3).

Origin of mutant:
Natural phenotype of the cultivar Club Mariout (3).

Mutational events:
lin in Club Mariout (3)

Mutant used for description and seed stock:
lin in Triple Bearded Club Mariout. N v k b R.
No stock of Tavcar's mutant is available.

References:
1. Robertson, D. W., G. A. Wiebe and F. R. Immer. 1941. J. Amer. Soc. Agron. 33:47-64.
2. Robertson, D. W., G. A. Wiebe and R. G. Shands. 1955. Agron. J. 47:418-425.
3. Swenson, S. P. and D. G. Wells. 1944. J. Amer. Soc. Agron. 36:429-435.
4. Tavcar, A. 1936. Arch minist. polyopr. Somotra naucn. Poljopr. rad. 3:30-50.
5. Tavcar, A. 1938. Zeits. induk. Abst. Vererbungslehre 75:106-123.

Prepared:
T. Tsuchiya and T. E. Haus. 1970. BGN 1:117

Revised:
T. Tsuchiya and T. E. Haus. 1984. BGN 14:91

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BGS 0102         Uzu or semi-brachytic         uz

Previous nomenclature and gene symbolization:
Uz2 (2), uz3 (1)

Inheritance:
Monofactorial recessive (3, 4, 7)
Located on chromosome 3 (5)

Description:
The gene for dwarfness (uz) affects pleiotropically on coleoptile, first and flag leaf, spike, awn, culm, empty glume, axis of rachilla, and grain. The gene affects diminutively in their length and broadly in their width in different degree with different organs. This gene, however, has no influence on the weight of grains and the heading date. This mutant has not only quantitative difference from normal varieties but also diagnostic qualitative character. The coleoptile of uzu plants show prominent projection or hook at the portion near the apex. Sometimes the coleoptile of the mutant shows a V-shaped notch at the apex and on the opposite side of the projection. In this case, therefore, the apex of the coleoptile has two notches, one on each side (3, 6, 7).

Origin of mutant:
Spontaneous mutation in many Japanese cultivars (3).

Mutational events:
uz in many Japanese cultivars (3).

Mutant used for description and seed stock:
uz in Baitori 10 N v k b 0 R S (6.7)

References:
1. Garza-Falcon, E. 1960. M.S. Thesis. Colo. State Univ. Mimeo
2. Leonard, W. H., H. 0. Mann and L. Powers. 1957. Colo. Agr. Expt. Sta. Tech. Bull. 60:1-24.
3. Takahashi, R. 1942. Ber. Ohara Inst. landw. Frosch 9:71-90.
4. Takahashi, R. 1951. Ber. Ohara Inst. landw. Forsch 9:383-398.
5. Takahashi, R. and J. Yamamoto. 1951. Ber. Ohara Inst. landw. Forsch. 9:399-410.
6. Tsuchiya, T. 1976. Crop Sci. 16:496-499.
7. Tsuchiya, T. 1981. J. Hered. 72:455-458.

Prepared:
T. Tsuchiya and T. E. Haus. 1970. BGN 1:124

Revised:
T. Tsuchiya. 1984.BGN 14:92

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BGS 0177         Chlorina 10         f10
Previous nomenclature and symbolization:
None

Inheritance:
Monofactorial recessive (1).
Located on chromosome 4 (1).

Description:
Plants nearly normal green on emergence at 20°C gradually fading to light green which color is maintained to adult stage. Viable, though somewhat weak under outdoor conditions, and develops chlorina leaves from seedling to near maturity (1).

Origin:
Spontaneous occurrence in unknown cultivar (1).

Mutational events:
f10 in unknown cultivar.

Mutant used for description and seed stocks:
f10 in unknown cultivar.

References:
1. Takahashi, R., J. Hayashi and I. Moriya. 1973. Two new mutant genes on chromosome 4. BGN 3:65-66.

Prepared by:
T. E. Haus. 1984.BGN 14:93

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BGS 0223        Zoned leaf 3 or zebra striped leaf 3         zb3

Previous nomenclature and gene symbolization:
zb_c (1, 3, 4, 5, 6, 7). zb_c2 (1, 4, 5). For details refer to (4,5)

Inheritance:
Incomplete dominant (4, 5, 6)
Located on chromosome 5 (1, 2)

Description:
The early leaves of homozygous plants are banded with bright yellow stripes across the leaves on a light yellow background under the growing condition with alternate temperature of warm day and cool night. The later leaves to not show the banding effect very well. Cool temperature enhances the yellow banding while warm temperatures increases greenness. With very cold conditions, the leaves become white yellow and deteriorate. Heterozygotes are an overall pale yellow-green color which is between normal and the mutant homozygote.

Origin of mutant:
Woodward's genetic stock collection (3, 4, 5, 7).

Mutational events:
Unknown, may be spontaneous mutation.

Mutant used for description and seed stock:
zb 3 (zb_c2) in stock Utah T41 (4, 5, 6).

References:
1. Furst, E. 1983. Primary trisomic analysis of three mutant genes in barley. M.S. Thesis, Colorado State University, 71 pp.
2. Shahla, A. and T. Tsuchiya. 1984. Additional information on the association of zb_c2 for zoned leaf with chromosome 5 in barley. BGN 14:10-11.
3. Tsuchiya, T. 1975. Allelic relationships of some morphological and chlorophyll mutants in barley. BGN 5:64-67.
4. Tsuchiya, T. 1983. Proposed new gene symbol for two different mutant types for zebra Colorado, or zoned leaf. BGN 13:84.
5. Tsuchiya, T. 1984. BGN 14:21-24.
6. Tsuchiya, T. and R. Baldivia. 1981. Primary trisomic analysis of an incomplete dominant zebra mutant, zb_c, in barley. BGN 11:63-64.
7. Woodward, R. W. 1957. Linkages in barley. Agron. J. 49:28-32.

Prepared by:
T. Tsuchiya and A. Shahla.1984. BGN 14:94

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BGS 0317         Resistance to DDT     ddt

Previous nomenclature and symbolization:
None.

Inheritance:
Monofactorial recessive (2, 4).
Located on chromosome 7 (3).

Description:
The recessive allele, ddt, confers resistance, and the dominant allele, Ddt, confers susceptibility, to the insecticide DDT. Susceptible plants show severe chlorosis followed by yellowing and death about 10 days after spraying 2- to 3-leaf stage seedlings with a commercial grade of 25% miscible DDT at a concentration of 1 part DDT to 500 of water. A second spraying applied about 7 days after the first will insure complete killing of susceptible seedlings. The DTT solution affects only that leaf area that comes in contact with it. Plants can be classified for reaction to DDT at or before flowering by dipping a single leaf into the DDT solution. On susceptible plants, that part of the leaf that was covered by the solution will turn yellow and die whereas on resistant plants, it will remain green (1, 2, 4).

Origin of mutant:
Spontaneous occurrence in a number of commercial cultivars (2, 4).

Mutational events:
The ddt allele is found in about lO% of the U. S. D. A. World Collection of spring barleys (in about 40% of the two-row, and only lx of the six-row, types) (4).

Mutant used for description and seed stocks:
ddt (resistant) in Spartan, C. I. 5027 (4).

References:
1. Griffiths, D. J. and J. D. Hayes. 1959. Rapid tests for varietal purity. Agricultural Merchant 39 (No. 9)s 74-76.
2. Hayes, J. D. 1959. Varietal resistance to spray damage in barley. Nature, Lond. 183: 551-552.
3. Hockett, E. A. and R. F. Eslick. 1969. Genetic male sterile genes useful in hybrid seed production. Barley Genetics II 298-307.
4. Wiebe, G. A. and J. D. Hayes. 1960. The role of genetics in the use of agricultural chemicals. Agronomy Journal 52: 685-686.

Prepared by:
R. T. Ramage. 1984. BGN 14:95.

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BGS 0318        Susceptible to DDT    Ddt

Previous nomenclature and symbolization:
None.

Inheritance:
Monofactorial dominant (2, 4).
Located on chromosome 7 (3).

Description:
The recessive allele, ddt, confers resistance, and the dominant allele, Ddt, confers susceptibility, to the insecticide DDT. Susceptible plants show severe chlorosis followed by yellowing and death about 10 days after spraying 2- to 3- leaf stage seedlings with a commercial grade of 25% miscible DDT at a concentration of 1 part DDT to 500 of water. A second spraying applied about 7 days after the first will insure complete killing of susceptible seedlings. The DTT solution affects only that leaf area that comes in contact with it. Plants can be classified for reaction to DDT at or before flowering by dipping a single leaf into the DDT solution. On susceptible plants, that part of the leaf that was covered by the solution will turn yellow and die whereas on resistant plants, it will remain green (1, 2, 4).

Origin of mutant:
Spontaneous occurrence in a number of commercial cultivars (2, 4).

Mutational events:
The Ddt allele is found in about 90% of the U. S. D. A. World Collection of spring barleys (in about 60% of the two-row, and almost 99% of the six-row types) (4).

Mutant used for description and seed stocks:
Ddt (susceptible) in Betzes, C. I. 6398 (4).

References:
1. Griffiths, D. J. and J. D. Hayes. 1959. Rapid tests for varietal purity. Agricultural Merchant 39 (No. 9): 74-76.
2. Hayes, J. D. 1959. Varietal resistance to spray damage in barley. Nature, Lond. 183:551-552.
3. Hockett, E. A. and R. F. Eslick. 1969. Genetic male sterile genes useful in hybrid seed production. Barley Genetics II: 298-307.
4. Wiebe, G. A. and J. D. Hayes. 1960. The role of genetics in the use of agricultural chemicals. Agronomy Journal 52:685-686.

Prepared by:
R. T. Ramage. 1984. BGN 14:96

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BGS 0460        Curly 4     cu4

Previous nomenclature and symbolization:
spn for spiral (1, 3, 4).

Inheritance:
Monofactorial recessive (1, 3, 5)
Not associated with chromosome 1, 3, 4, 5, or 6 (1)

Description:
Diagnostic characteristics can be observed from early seedling stage to maturity. Roots grown curved compared to the straight elongation in the normal plants (4). Leaves of young seedling bend with wrinkles at the margins. Culms bend at nodes. Upper part of the top internode grow spiralized. Awns often curved. Overall plant type seem very abnormal with curled and bent organs (1, 4). Even though this mutant showed spiral growth (3), it was suggested to use "curly" as the mutant name (3). Allelism test showed that this gene is not allelic to cu2 for curly 2 in chromosome 3. Also, this gene was proved not to be associated with chromosome 6 (1) which carries cu3 (2). Based on this information the symbol cu4 was given to this mutant.

Origin of mutant:
X-ray irradiation (15 kr) of dormant seeds in two-rowed cultivar, Asahi No. 5 (1, 5)

Mutational event:
X-ray irradiation (15 kr) of dormant seeds in two-rowed cultivar, Asahi No. 5 (1, 5).

Mutant used for description and seed stock:
KM 118 in Asahi No. 5

References:
1. Furst, E. C. 1983. Primary trisomic analysis of three mutant genes in barley. M.S. Thesis, Colorado State University, Fort Collins, 71 pp.
2. Hayashi, J., R. Takahashi and I. Moriya. 1978. Linkage studies of two mutant genes on chromosome 1 and 6. BGN 8:48-50.
3. Tsuchiya, T. 1974a. Further results of allelism testing in barley. BGN 4:82-85.
4. Tsuchiya, T. 1974b. Root character of curly mutants in barley. BGN 4:88-90. 5. Tsuchiya, T. 1984. Inheritance of I for curly 4 (spiral neck) mutant in barley. BGN 14:51-52.

Prepared:
T. Tsuchiya. 1984. BGN 14:97

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BGS 0461        Zebra or Zoned leaves 2      zb2

Previous nomenclature and symbolization:
zd (3, 8), z (7), z_c (5), zb_c (8)

There is considerable confusion on this aspect. It is difficult to determine definite relationships between different gene designations at present, though attempts were made (2, 11).

Inheritance:
Monofactional recessive (2, 3, 9)
Not located in chromosome 4 (2, 9)

Description:
Homozygous plants show general pale yellow-green color from early seedling stage to later growing stage. Under field conditions (warm day and cool night) or alternating high and low temperatures in greenhouse, transverse yellow bands develop in the leaves (2, 3).

Origin of mutant:
CSU stock B 8-9 is believed to be the same as zd of Immer and Henderson (3) which was induced with irradiation by Stadler. However, trisomic analysis showed that this gene is not associated with chromosome 4 contrary to the report of Immer and Henderson (3). For details, see reference 11.

Mutational events:
The following mutant stocks have the gene symbol zb_c according to Robertson (5, 6) and Robertson et al. (7, 8).
CSU stock B 8-9, Utah T 267, Utah T 831, Utah T 909, Utah T 942 (2, 10)

Mutant used for description and seed stock:
CSU stock B 8-9 with previous symbol zd (Robertson, unpublished)

References:
1. Doney, D. L. 1961. M.S. Thesis. Utah State Univ.
2. Furst, E. C. 1983. M.S. Thesis. Colorado State Univ. 71 pp.
3. Immer, F. R. and M. T. Henderson. 1943. Genetics 28:419-440.
4. Kasha, K. J. and G. W. R. Walker. 1960. Can. J. Genet. Cytol. 2:397-415.
5. Robertson, D. W. 1964. Barley Genetics I:159-180.
6. Robertson, D. W. 1971. Barley Genetics II:220-242.
7. Robertson, D. W., G. A. Wiebe and R. G. Shands. 1947. J. Amer. Soc. Agron. 39:464-473.
8. Robertson, D. W., G. A. Wiebe, R. G. Shands and A. Hagberg. 1965. Crop Sci. 5:33-43.
9. Tsuchiya, T. 1974. BGN 4:107-110.
10. Tsuchiya, T. 1975. BGN 5:64-65.
11. Tsuchiya, T. 1984. BGN 14 21-24,
12. Tsuchiya, T. and R. L. Haines. 1975. BGN 5:67-69.
13. Woodward, R. W. 1957. Agron. J. 49:28-32.

Prepared:
T. Tsuchiya. 1984. BGN 14:98

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BGS 0462 Yellow streak 3 yst3

Previous nomenclature and gene symbolization:
yst c(1)

Inheritance:
Monofactorial recessive (2, 3) and not allelic to yst and yst2 (1).
Not located in chromosome 3, 5 (2) and 7 (3).

Description:
Homozygous plants show various degrees of yellow stripes (streaks) in leaves, stems, and spikes. Some plants are almost entirely yellow colored and similar to chlorina. Penetrance is 100% but not uniform and sometimes it is difficult to see the trait unless careful observation is made. Cold treatment may help development of the trait.

Origin of mutant:
Spontaneous origin in variety Lion

Mutational events:
Spontaneous mutation in variety Lion

Mutant used for description and seed stock:
yst3 in CSUB 4-12

References:
1. Singh, R. J. and T. Tsuchiya. 1973. BGN 3:54-55.
2. Tsuchiya, T. and J. Alanko. 1976. BGN 6:84-85.
3. Tsuchiya, T. and A. Shahla. 1982. BGN 12:31-32.

Prepared:
T. Tsuchiya. 1984. BGN 14:99

BGN 14 toc
BGN Main Index