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Resistance to Neonectria ditissima in apple: insights from metabolomics and lipidomics analyses
Department of Plant Breeding, Swedish University of Agricultural Sciences, Alnarp, Sweden.
Department of Plant Breeding, Swedish University of Agricultural Sciences, Alnarp, Sweden.
Department of Plant Breeding, Swedish University of Agricultural Sciences, Alnarp, Sweden.
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysiologisk botanik.
Vise andre og tillknytning
2023 (engelsk)Inngår i: Xxxi international horticultural congress (ihc2022): International symposium on breeding and effective use of biotechnology and molecular tools in horticultural crops / [ed] V. Bus; M. Causse, International Society for Horticultural Science , 2023, s. 329-335Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

European canker, caused by the necrotrophic fungus Neonectria ditissima, is the most serious disease in apple production in Sweden. The disease is favored by a relatively cool and rainy climate. The canker damages have a significant economic impact due to reduced bearing surface and increased orchard management costs. The possibilities for chemical and biological control are very limited. Therefore, directed breeding for new resistant cultivars is urgently needed. Knowledge of inheritance of canker resistance and understanding of molecular mechanisms involved in resistant and susceptible responses to fungal attacks would facilitate breeding. In this study, we evaluated the tempo-spatial differences in plant-pathogen interactions in a set of partially resistant and susceptible cultivars by conducting metabolomic and lipidomic analyses. The major trends in metabolomics and lipidomic profiles were common among cultivars, irrespective of the degree of susceptibility. Several metabolites and lipids varied with time point and cultivar under N. ditissima infection. Putative key metabolites such as suberic acid and jasmonic acid were upregulated in all cultivars upon infection. Additionally, several lipids exhibited changes 30 to 45 days post-inoculation. Thus, the approach used seems to have resulted in a rich data set to be further analyzed in light of ongoing QTL-mapping efforts.

sted, utgiver, år, opplag, sider
International Society for Horticultural Science , 2023. s. 329-335
Serie
Acta Horticulturae, ISSN 05677572, E-ISSN 24066168 ; 1362
Emneord [en]
fruit tree canker, Malus × domestica, metabolites, susceptibility
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-208059DOI: 10.17660/ActaHortic.2023.1362.44Scopus ID: 2-s2.0-85153494693ISBN: 978-94-62613-61-4 (tryckt)OAI: oai:DiVA.org:umu-208059DiVA, id: diva2:1764882
Konferanse
XXXI International Horticultural Congress (IHC2022), International Symposium on Breeding and Effective Use of Biotechnology and Molecular Tools in Horticultural Crops, Angers, France, august 14-20, 2022.
Tilgjengelig fra: 2023-06-09 Laget: 2023-06-09 Sist oppdatert: 2023-11-07bibliografisk kontrollert

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