A region of barley chromosome 6H harbors multiple major genes associated with net type net blotch resistance.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
M Abu QamarTimothy L Friesen

Abstract

Net type net blotch (NTNB), caused by Pyrenophora teres f. teres Drechs., is prevalent in barley growing regions worldwide. A population of 118 doubled haploid (DH) lines developed from a cross between barley cultivars 'Rika' and 'Kombar' were used to evaluate resistance to NTNB due to their differential reaction to various isolates of P. teres f. teres. Rika was resistant to P. teres f. teres isolate 15A and susceptible to isolate 6A. Conversely, Kombar was resistant to 6A, but susceptible to 15A. A progeny isolate of a 15A x 6A cross identified as 15A x 6A#4 was virulent on both parental lines. The Rika/Kombar (RK) DH population was evaluated for disease reactions to the three isolates. Isolate 15A induced a resistant:susceptible ratio of 78:40 (R:S) whereas isolate 6A induced a resistant:susceptible ratio of 40:78. All but two lines had opposite disease reactions indicating two major resistance genes linked in repulsion. Progeny isolate 15A x 6A#4 showed a resistant:susceptible ratio of 1:117 with the one resistant line also being the single line that was resistant to both 15A and 6A. An RK F(2) population segregated in a 1:3 (R:S) ratio for both 15A and 6A indicating that resistance is recessive. Molecular markers were used...Continue Reading

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Citations

Feb 8, 2011·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Shiveta SharmaChristian Jung
Apr 22, 2014·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Ahmed GalalChristian Jung
Dec 2, 2010·Molecular Plant Pathology·Zhaohui LiuTimothy L Friesen
Feb 27, 2015·Journal of Applied Genetics·Anna FiustMirosław Tyrka
Oct 14, 2016·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·V M KoladiaT L Friesen
Jul 22, 2017·Fungal Genetics and Biology : FG & B·Vaidehi M KoladiaTimothy L Friesen
May 14, 2016·G3 : Genes - Genomes - Genetics·Jonathan RichardsRobert Brueggeman
Feb 12, 2017·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Jonathan K RichardsRobert S Brueggeman
Nov 24, 2017·G3 : Genes - Genomes - Genetics·Nathan A WyattTimothy L Friesen
Jun 19, 2019·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Fluturë NovakaziFrank Ordon
Jun 28, 2017·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Ronja WonnebergerMorten Lillemo
Dec 15, 2019·Molecular Plant Pathology·Shaun J ClareTimothy L Friesen
Feb 2, 2021·Frontiers in Genetics·Prabin TamangRobert S Brueggeman
Apr 24, 2021·Frontiers in Plant Science·Aurélie BackesCédric Jacquard
Jan 15, 2017·Microbiology Spectrum·Pierre J G M De WitRichard P Oliver
Sep 30, 2021·G3 : Genes - Genomes - Genetics·Abdullah Fahad AlhashelShengming Yang

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