International Database for Barley Genes and Barley Genetic Stocks

BGS 689, Necroticans 18, nec18

BGN  43:192
Stock number: BGS 689
Locus name: Necroticans 18
Locus symbol: nec18

Previous nomenclature and gene symbolization:



Monofactorial recessive (1).
Location is unknown.


Expression of the mutant is first observed as a few small dark brown flecks on the leaf blades. Streaking of the numerous light brown to brown necrotic lesions occurs on older leaf blades of plants. The lesions spread resulting in death of leaf blades. The vigor of plants is fair (1).

Origin of mutant:

A fast neutron induced mutant in Steptoe (CIho 15229) (1).

Mutational events: (FN275, GSHO 3623) in Steptoe (CIho 15229) (1).

Mutant used for description and seed stocks: (FN275, GSHO 3623) in Steptoe.


1. Kleinhofs, A. (Unpublished).


A. Kleinhofs. 2013. Barley Genet. Newsl. 43:192.