Foliar Resistance to a Natural Population of Plasmopara viticola in Some Grapevine Varieties Grown in Turkiye

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dc.contributor.authorDogu, Duygu Mermer
dc.contributor.authorOzer, Nuray
dc.date.accessioned2024-10-29T17:58:45Z
dc.date.available2024-10-29T17:58:45Z
dc.date.issued2024
dc.departmentTekirdağ Namık Kemal Üniversitesi
dc.description.abstractIt is critical to use a population of the pathogen that contains different strains to determine the resistance of grapevine varieties to the downy mildew pathogen Plasmopara viticola in a specific region. This study tested six local grape varieties (Cavus, Kalecik Karasi, Muskule, Papaz Karasi, Sultana and Yapincak), eight Turkish registered varieties (Baris, Bozbey, Guzgulu, Ozer Karasi, Recel uzumu, Tekirdag Cekirdeksizi, Trakya & Idot;lkeren and Yalova Incisi) and seven varieties of foreign origin (Cabernet Sauvignon, Cardinal, Chardonnay, Cinsault, Isabella, Semillon and Gamay) using detached leaf and leaf disc assays with pathogen populations collected from vineyards. There was a significant correlation for disease severity between the two assay methods. No sporulation was observed on the varieties Cavus and Isabella in both assay methods. The variety Yapincak had very low disease severity (2.00%) in the leaf disc assay, and the pathogen did not sporulate on this variety in the detached leaf assay. Cluster analysis was performed to determine the resistance level of the varieties against the pathogen, as different disease severities were observed in some varieties depending on the test method used, and the 21 varieties were classified into four clusters. Baris, Bozbey, Cardinal, Cavus, Isabella, Semillon and Yapincak in Cluster I exhibited the lowest disease severity mean (2.88%), while those in Cluster 3, including Cabernet Sauvignon, Guzgulu, Papaz Karasi and Yalova Incisi, had the highest disease severity mean (56.75%). These varieties in Clusters 1 and 3 were considered highly resistant and highly susceptible, respectively. Leaf hair density, as reported in official variety descriptions, did not associate with reduced disease severity in the two assays. This study assessed the response of grapevine varieties to the P. viticola population in the region for the first time. The highly resistant and resistant varieties identified will provide new material for breeders and contribute to the improvement of organic viticulture in the area.
dc.description.sponsorshipGeneral Directorate of Agricultural Research and Policies; Ministry of Agriculture and Forestry, Republic of Turkiye [TAGEM- BS-15/08-04/02-15]
dc.description.sponsorshipThis study was supported by the General Directorate of Agricultural Research and Policies, Ministry of Agriculture and Forestry, Republic of Turkiye (Project Number: TAGEM- BS-15/08-04/02-15).
dc.identifier.doi10.1111/jph.13394
dc.identifier.issn0931-1785
dc.identifier.issn1439-0434
dc.identifier.issue5en_US
dc.identifier.scopus2-s2.0-85204600152
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1111/jph.13394
dc.identifier.urihttps://hdl.handle.net/20.500.11776/14485
dc.identifier.volume172
dc.identifier.wosWOS:001316210400001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofJournal of Phytopathology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectgrapevine
dc.subjecthost resistance
dc.subjectPlasmopara viticola
dc.subjectsusceptibility
dc.subjectVitis vinifera
dc.subjectVitis vinifera x Vitis labrusca
dc.titleFoliar Resistance to a Natural Population of Plasmopara viticola in Some Grapevine Varieties Grown in Turkiye
dc.typeArticle

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