Chromosomal location of genes for resistance to powdery mildew in cultivated oat (Avena sativa L.). 1. Gene Eg-3 in the cultivar 'Mostyn'

The cultivar ‘Mostyn’ of hexaploid oat (Avena sativa L.) possesses a dominant gene conferring resistance to powdery mildew caused by Erysiphe graminis avenae. The resistance gene, designated Eg‐3, was derived from the wild oat Avena sterilis L. var. ludoviciana. Monosomic analysis revealed that this...

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Bibliographic Details
Published in:Plant breeding 1998-05, Vol.117 (2), p.177-178
Main Authors: Hsam, S.L.K, Zeller, F.J
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Avena sativa
Avena sterilis
Biological and medical sciences
chromosomes
cultivars
cultivated oat
disease resistance
Erysiphe graminis
erysiphe graminis f.sp. avenae
Fundamental and applied biological sciences. Psychology
fungal diseases of plants
gene location
genes
Genetics and breeding of economic plants
monosomic analysis
parentage
Pest resistance
Plant pathogens
powdery mildew resistance
segregation
Triticeae
Varietal selection. Specialized plant breeding, plant breeding aims
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Summary:The cultivar ‘Mostyn’ of hexaploid oat (Avena sativa L.) possesses a dominant gene conferring resistance to powdery mildew caused by Erysiphe graminis avenae. The resistance gene, designated Eg‐3, was derived from the wild oat Avena sterilis L. var. ludoviciana. Monosomic analysis revealed that this gene was located on chromosome 17, which corresponds to the missing chromosome in the ‘Kanota’ monosomic line Kl1. This chromosome is associated with the homoeologous group 1 of the Triticeae.
ISSN:0179-9541
1439-0523
DOI:10.1111/j.1439-0523.1998.tb01474.x