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QTL mapping of resi...
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Samils, BeritSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig mykologi och patologi,Department of Forest Mycology and Pathology
(författare)
QTL mapping of resistance to leaf rust in Salix
- Artikel/kapitelEngelska2011
Förlag, utgivningsår, omfång ...
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2011-07-06
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Springer Science and Business Media LLC,2011
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Springer Verlag (Germany),2024
Nummerbeteckningar
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LIBRIS-ID:oai:slubar.slu.se:57528
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https://res.slu.se/id/publ/57528URI
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https://doi.org/10.1007/s11295-011-0408-0DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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Genetic mapping of quantitative trait loci (QTL) for resistance to Melampsora leaf rust was performed in two willow families: the progeny from a backcross between Salix viminalis and a hybrid S. viminalis x Salix schwerinii (population S(1)), and the F(1) progeny of a cross between two S. viminalis (population S(3)). Disease levels were scored in the field for three consecutive years. In the laboratory, five different rust strains were sprayed onto leaf disks and the following resistance components were scored: latent period, diameter and number of uredinia, and flecking. One major QTL and 14 smaller were identified in the S(1) host population. One rust strain, that represents a Melampsora form with limited incidence on S. viminalis, showed lower aggressiveness to the S(1) host population together with a different pattern in QTLs. In the S(3) host population, we detected 13 QTLs for rust resistance, of which two were located to the same genomic regions as those found for the S(1) population. We showed that the strongest QTL co-segregated with a gene homologous to a known Toll/interleukin receptor-nucleotide binding site-leucine-rich repeat resistance gene in poplar. The importance of the identified QTLs is discussed in relation to breeding for durable resistance.
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Rönnberg Wästljung, Ann-ChristinSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för växtbiologi,Department of Plant Biology(Swepub:slu)48124
(författare)
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Stenlid, JanSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig mykologi och patologi,Department of Forest Mycology and Pathology(Swepub:slu)46689
(författare)
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Sveriges lantbruksuniversitetInstitutionen för skoglig mykologi och patologi
(creator_code:org_t)
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Sveriges lantbruksuniversitet
Sammanhörande titlar
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Ingår i:Tree Genetics and Genomes: Springer Science and Business Media LLC7, s. 1219-12351614-29421614-2950
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