Validation of quantitative trait loci for Ascochyta blight resistance in pea ( Pisum sativum L.), using populations from two crosses

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
Gail M Timmerman-VaughanTanveer Khan

Abstract

Resistance to Ascochyta blight of pea was genetically characterized by mapping quantitative trait loci (QTLs) using two crosses, 3147-A26 (A26, partially resistant) x cultivar Rovar (susceptible) and 3148-A88 (A88, partially resistant) x Rovar, with the aim of developing an increased understanding of the genetics of resistance and of identifying linked molecular markers that may be used to develop resistant germplasm. Molecular linkage maps for both crosses were aligned so that the results of QTL mapping could be compared. Ascochyta blight disease severity in response to natural epidemics was measured in field trials conducted in Western Australia and New Zealand. Eleven putative QTLs for Ascochyta blight resistance were identified from the A26 x Rovar population and 14 putative QTLs from the A88 x Rovar population. Six QTLs were associated with the same genomic regions in both populations. These QTLs reside on linkage groups II, III, IV, V, and VII (two QTLs). The severity of Ascochyta blight disease symptoms on pea increases during field epidemics as plants mature; therefore, QTLs for plant reproductive maturity were mapped. Six QTLs were detected for plant maturity in the A26 x Rovar population, while five plant maturity QTL...Continue Reading

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Citations

Feb 1, 2007·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·S Prioul-GervaisA Baranger
May 9, 2006·Plant Physiology·Pasqua VeronicoTeresa Bleve-Zacheo
Jul 10, 2010·Genome Génome / Conseil National De Recherches Canada·Lasantha UbayasenaThomas Warkentin
Apr 16, 2011·Genome Génome / Conseil National De Recherches Canada·Lasantha UbayasenaThomas Warkentin
Apr 9, 2014·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Abhishek BohraRajeev K Varshney
Aug 15, 2014·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Anoop SindhuAndrew G Sharpe
Feb 21, 2016·Plant Biotechnology Journal·Chouaib MeziadiStéphanie Pflieger
Jan 24, 2016·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Gail M Timmerman-VaughanRoss Crowhurst
Dec 8, 2015·Frontiers in Plant Science·Nadim TayehJudith Burstin
Oct 16, 2019·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Xiaomeng ShenZuxin Zhang
Jul 15, 2017·Frontiers in Plant Science·Matthew S RoddaSukhjiwan Kaur
May 26, 2017·Frontiers in Plant Science·Ambuj B JhaThomas D Warkentin
Jan 9, 2019·Frontiers in Plant Science·Margaret A CarpenterGail M Timmerman-Vaughan
Jan 13, 2021·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Arun K PandeyPei Xu
Nov 17, 2020·Frontiers in Genetics·Yee-Shan KuHon-Ming Lam
Nov 26, 2010·Journal of Agricultural and Food Chemistry·M Ángeles CastillejoJesús V Jorrín
Feb 11, 2020·Journal of Proteome Research·María-Ángeles CastillejoDiego Rubiales

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