International Database for Barley Genes and Barley Genetic Stocks

BGS 147, Multiovary 2, mov2

BGN  43:91
Stock number: BGS 147
Locus name: Multiovary 2
Locus symbol: mov2

Previous nomenclature and gene symbolization:

Multi-ovary = mo (4).
Multiovary 7 = mo7a (5, 6).

Inheritance:

Monofactorial recessive (2, 4, 5, 6).
Located in chromosome 3HS (6); co-segregation with molecular markers ABC171A and JS001B in 3H bin 02 (6).

Description:

The mov2.g (mo7a) mutant has between five and seven carpel-like structures and normal lodicules. Stamens are not present, but some carpels are terminated with stamen-like structures. Pollination using wild-type flowers results in a few seeds (6). The plant appears abnormal with a twisted and compact spike and reduced awn length. The frequency of mutant plants in the two F2 progenies examined was much lower than expected (6). The stock must be maintained as a heterozygote (3). The mutants reported by Moh and Nilan (4) and Kamra and Nilan (2) may be alleles, but seed stocks were unavailable for testing (6).

Origin of mutant:

A fast neutron induced mutant in Steptoe (CIho 15229) (5).

Mutational events:

mov2.g (FN243, mo7a, GSHO 3642) in Steptoe (CIho 15229) (5, 6); mov2.a (mo1) (4, 6); mov2.c (mo3) (1, 2, 6).

Mutant used for description and seed stocks:

mov2.g (FN243, GSHO 3642) in Steptoe.

References:

1. Kamra, P. 1966. Genetic control of the development of floral organs in Hordeum vulgare. p. 213-215. In A. Lengerova (ed.) Mechanisms of Mutation and Inducing Factors. Academia, Prague.
2. Kamra, O.P., and R.A. Nilan 1959. Multi-ovary in barley. Floral anatomy and embryo-sac development. J. Hered. 50:159-165.
3. Kleinhofs, A. (Unpublished).
4. Moh, C.C., and R.A. Nilan. 1953. Multi-ovary in barley. A. mutant induced by atomic radiation. J. Hered. 44:183-184.
5. Soule, J., I. Skodova, D. Kudrna, A. Kilian, and A. Kleinhofs. 1995. Molecular and genetic characterization of barley flower development mutants. Barley Genet. Newsl 25:76-80.
6. Soule, J.D., D.A. Kudrna, and A. Kleinhofs. 2000. Isolation, mapping, and characterization of two barley multiovary mutants. J. Hered. 91:483-487.

Prepared:

A. Kleinhofs. 2005. Barley Genet. Newsl. 35:190.

Revised:

A. Kleinhofs . 2013. Barley Genet. Newsl. 43:91.
 


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