International Database for Barley Genes and Barley Genetic Stocks

BGS 703, Necroticans 32, nec32

BGN  43:206
Stock number: BGS 703
Locus name: Necroticans 32
Locus symbol: nec32

Previous nomenclature and gene symbolization:



Monofactorial recessive (1).
Location is unknown.


Large black spots develop on the leaf blades of plants and exhibit a slight increase in size as leaves mature. Older leaf blades showed more chlorosis around lesions and gradually they become yellow and died. The mutant is phenotypically similar to the (GSHO 3633, BGS 698) mutant, but it is not allelic (1).
No images

Origin of mutant:

A gamma-ray induced mutant in Morex (CIho 15773) (1).

Mutational events: (γ08-130, GSHO 3639) in Morex (CIho 15773) (1).

Mutant used for description and seed stocks: (γ08-130, GSHO 3639) in Morex.


1. Kleinhofs, A. (Unpublished).


A. Kleinhofs. 2013. Barley Genet. Newsl. 43:206.