International Database for Barley Genes and Barley Genetic Stocks

BGS 646, Ovaryless 2, ovl2

BGN  43:169
Stock number: BGS 646
Locus name: Ovaryless 2
Locus symbol: ovl2

Previous nomenclature and gene symbolization:



Monofactorial recessive (1).
Location is unknown.


Mutant plants appear normal except carpels are rudimentary and plants are female sterile. Plant development appears normal. Anther development is normal and pollen is viable (1). The ovl2.b mutant must be maintained as a heterozygote (1). The ovaryless 1 (ovl1.a) mutant (BGS 176, GSHO 610) was not available for allelism tests, but the two mutants are phenotypically very different in plant morphology (1).

Origin of mutant:

A fast neutron induced mutant in Harrington (Agriculture Canada Licence No: 2126) (1).

Mutational events:

ovl2.b (FN347, GSHO 3655) in Harrington (Agriculture Canada Licence No: 2126) (1).

Mutant used for description and seed stocks:

ovl2.b FN347, GSHO 3655) in Harrington.


1. Kleinhofs, A. (Unpublished).


A. Kleinhofs. 2005. Barley Genet. Newsl. 35:204.


A. Kleinhofs. 2013. Barley Genet. Newsl. 43:169.