Publication Overview
TitleGenetic mapping and pyramiding of two new pear scab resistance QTLs
AuthorsPerchepied L, Leforestier D, Ravon E, Guérif P, Denancé C, Tellier M, Terakami S, Yamamoto T, Chevalier M, Lespinasse Y, Durel CE
TypeJournal Article
Journal NameMolecular Breeding
Volume35
Issue197
Year2015
CitationPerchepied L, Leforestier D, Ravon E, Guérif P, Denancé C, Tellier M, Terakami S, Yamamoto T, Chevalier M, Lespinasse Y, Durel CE. Genetic mapping and pyramiding of two new pear scab resistance QTLs. Molecular Breeding. 2015; 35(197).

Abstract

Scab is one of the major fungal diseases infecting pear trees, causing the greatest economic losses. Identifying and pyramiding scab resistance factors should help in breeding new resistant pear cultivars. We have identified and mapped two new pear resistance loci against the fungal pathogen Venturia pirina. The first locus, mapped both as a major gene and as a QTL, is located on linkage group (LG) 01 of the hybrid P3480, deriving from the European pear cultivar ‘Wilder.’ It colocalizes with the Vnk resistance gene found in the Asian pear cultivar ‘Kinchaku’ against Venturia nashicola. A second locus, mapped as a QTL, is located on LG04 of the interspecific cultivar ‘Euras.’ In a small ‘Euras’ × P3480 progeny, seven seedlings carrying the resistant alleles at both loci have been selected using SSR markers.
Features
This publication contains information about 6 features:
Feature NameUniquenameType
Mdo.chr1.39Mdo.chr1.39genetic_marker
TsuENH157TsuENH157genetic_marker
resistance to Venturia pirinaqSCR.AP3480-LG1.2015QTL
resistance to Venturia pirinaqSCR.EP2896-LG4.2015QTL
resistance to Venturia pirinaqSCR.EP3480-LG1.2015QTL
resistance to Venturia pirinaqSCR.EP3481-LG4.2015QTL
Projects
This publication contains information about 1 projects:
Project NameDescription
Pear-scab_resistance-Durel-2015
Featuremaps
This publication contains information about 2 maps:
Map Name
Pear-AP3480-F1
Pear-EP2896-F1
Stocks
This publication contains information about 6 stocks:
Stock NameUniquenameType
P3480P3480accession
Angelys_x_P3480Angelys_x_P3480accession
EurasEurasaccession
P2896P2896accession
Euras_x_P2896Euras_x_P2896accession
AngelysAngelysaccession