Quantitative resistance to barley leaf stripe (Pyrenophora graminea) is dominated by one major locus.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik ·Vol. 93 ·No. 1-2 ·1996-07-00 ·Pages 97-101

Pecchioni N, Faccioli P, Toubia-Rahme H, Valè G, Terzi V

Abstract

A major gene underlying quantitative resistance of barley against Pyrenophora graminea, a seedborne pathogen causing leaf stripe, was mapped with molecular markers in a barley doubled haploid (DH) population derived from the cross 'Proctor' x 'Nudinka'. This quantitative trait locus (QTL) accounts for r (2)= 58.5% and was mapped on barley chromosome 1, tightly linked to the "naked" gene. A second resistance QTL accounting for 29.3% of the variation in the trait was identified on the P arm of barley chromosome 2. Another two minor QTLs were detected by further analysis. None of the QTLs was found in the barley chromosome 2 "Vada" region studied by Giese et al. (1993).

Authors & Affiliations

5 authors, click to expand affiliations / ORCID

Pecchioni N

Section of Fiorenzuola d'Arda, Experimental Institute for Cereal Research, Via S. Protaso 302, I-29017, Fiorenzuola d'Arda (PC), Italy.

Faccioli P

Toubia-Rahme H

Valè G

Terzi V

References (11)

11 references, click to expand

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Article Info

Journal

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

Abbr.

Theor Appl Genet

ISSN

0040-5752

DOI

10.1007/BF00225733

Published

1996-07-00

Pages

97-101

Language

English

Region

Germany

NLM ID

0145600

External Links

PubMed source DOI: 10.1007/BF00225733 View journal details

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Quantitative resistance to barley leaf stripe (Pyrenophora graminea) is dominated by one major locus.

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