Identification and mapping of net form of net blotch resistance in South African barley

Net form of net blotch (NFNB) caused by the fungus Pyrenophora teres f. teres is an economically important foliar disease of barley ( Hordeum vulgare ) in southern and eastern Africa. Little attention has been given to disease resistance breeding, and knowledge about the presence of NFNB resistance...

Full description

Saved in:
Bibliographic Details
Published in:Molecular breeding 2018-05, Vol.38 (5), p.1-10, Article 53
Main Authors: Martin, Anke, Platz, Gregory J., de Klerk, Daniel, Fowler, Ryan A., Smit, Francois, Potgieter, Francois G., Prins, Renée
Format: Article
Language:English
Subjects:
Barley
Biomedical and Life Sciences
Biotechnology
Breeding
Chromosomes
Disease control
Disease resistance
Economic importance
Foliar diseases
Fungi
Gene mapping
Genetic markers
Life Sciences
Mapping
Markers
Microsatellites
Molecular biology
Net blotch
Phenotypic variations
Plant biology
Plant Genetics and Genomics
Plant Pathology
Plant Physiology
Plant Sciences
Quantitative trait loci
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Net form of net blotch (NFNB) caused by the fungus Pyrenophora teres f. teres is an economically important foliar disease of barley ( Hordeum vulgare ) in southern and eastern Africa. Little attention has been given to disease resistance breeding, and knowledge about the presence of NFNB resistance in breeding lines is limited. Deploying resistance into varieties used in this region is important for future control of the disease. We have identified NFNB disease resistance in existing South African breeders’ lines and have mapped the resistance in line UVC8. Six different trials, three conducted in South Africa and another three in Australia, were used to identify resistance QTL. A major QTL was identified on chromosome 6H having a LOD score of 40.5 and 55% of the phenotypic variance explained. Kompetitive Allele Specific PCR (KASP™) markers were designed for this QTL region. These and microsatellite markers can now be used to routinely select for NFNB resistance.
ISSN:1380-3743
1572-9788
DOI:10.1007/s11032-018-0814-1