Resistance evolution and local adaptation of Venturia inaequalis to old and new generation SDHI fungicides

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dc.authoridÖncel, Sibel / 0000-0002-5246-6553
dc.authoridÖzkılınç, Hilal / 0000-0003-0791-975X
dc.authoridFidanoğlu, Baran Taylan / 0009-0002-9005-8179
dc.contributor.authorÖzkılınç, Hilal
dc.contributor.authorFidanoğlu, Baran Taylan
dc.contributor.authorÖncel, Sibel
dc.contributor.authorKurtuluş, Ezgi
dc.contributor.authorKadıoğlu, İrem Ece
dc.date.accessioned2025-05-29T02:58:00Z
dc.date.available2025-05-29T02:58:00Z
dc.date.issued2025
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe use of succinate dehydrogenase inhibitor (SDHI) fungicides is widespread in controlling apple scab disease caused by Venturia inaequalis. However, resistance in populations develops and new SDHIs are generated commercially, thus evaluating this arms-race in local populations is important for appropriate disease management. In this study, in vitro mycelial growth effects of five commercial fungicides, including old and new generation SDHIs on a large V. inaequalis population in T & uuml;rkiye were investigated. Overall, the entire population was resistant to Boscalid (Cantus (R)), and the most effective fungicides tested were Isopyrazam (REFLECT (R)) and Pydiflumetofen (Candidate fungicide, Miravis (R)). Although the results show the effectiveness of new generation SDHIs, remarkable differences in pathogen resistance responses were detected at local level. There were also differences in colony growth rates among isolates, but this was not associated with fungicide response traits. Furthermore, the intraspecies genetic diversities obtained from the sequence data of the four selected gene regions were depicted with the Neigbour_Joining (NJ) trees. There appeared to be no relationship between NJbased branching and fungicide response phenotypes. As a result of mating type determinationof the isolates with newly designed primers, 1:1 ratio indicated possible recombination in almost all local groups, with one exception. Additionally, detection of both mating type genes in some isolates was an interesting finding about the reproductive structure of the pathogen. This study, which is the first comprehensive study of V. inaequalis in T & uuml;rkiye, presents new findings about the pathogen from different perspectives.
dc.description.sponsorshipSyngenta-Turkiye within the scope of the Canakkale Onsekiz Mart University-Industry Cooperation 58K RD project
dc.description.sponsorshipThis project was supported by Syngenta-Turkiye within the scope of the Canakkale Onsekiz Mart University-Industry Cooperation 58K R&D project, granted to H. OZKILINC.
dc.identifier.doi10.1016/j.funbio.2025.101543
dc.identifier.issn1878-6146
dc.identifier.issn1878-6162
dc.identifier.issue2
dc.identifier.pmid40023526
dc.identifier.scopus2-s2.0-85218496831
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.funbio.2025.101543
dc.identifier.urihttps://hdl.handle.net/20.500.12428/30235
dc.identifier.volume129
dc.identifier.wosWOS:001433394100001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofFungal Biology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250529
dc.subjectApple scab
dc.subjectVenturia inaequalis
dc.subjectSDHI resistance
dc.subjectPhylogeny
dc.subjectMating type
dc.titleResistance evolution and local adaptation of Venturia inaequalis to old and new generation SDHI fungicides
dc.typeArticle

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