Phytopythium litorale: A Novel Killer Pathogen of Plane (Platanus orientalis) Causing Canker Stain and Root and Collar Rot

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dc.authoridDervis, Sibel/0000-0002-4917-3813
dc.authoridULUBAS SERCE, CIGDEM/0000-0001-5337-5883
dc.authoridTurkolmez, Sahimerdan/0000-0001-8775-5470
dc.contributor.authorDervis, Sibel
dc.contributor.authorTurkolmez, Sahimerdan
dc.contributor.authorCiftci, Osman
dc.contributor.authorOzer, Goksel
dc.contributor.authorSerce, Cigdem Ulubas
dc.contributor.authorDikilitas, Murat
dc.date.accessioned2024-11-07T13:35:06Z
dc.date.available2024-11-07T13:35:06Z
dc.date.issued2020
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractDecline symptoms associated with lethal stem and branch canker stain along with root and collar rots were observed on 5- to 7-year-old roadside oriental plane trees (Platanus orientalis) in Diyarbakir, Turkey. Aboveground symptoms included leaf necrosis, leaf curling, extensive bluish or blackish staining of shoots, branches, stem bark, and wood surfaces, as well as stem cankers and exfoliation of branch bark scales. A general decline of the trees was distinctly visible from a distance. A Phytophthora/Pythium-like oomycete species with globose to ovoid, often papillate and internally proliferating sporangia was consistently isolated from the fine and coarse roots and stained branch parts and shoots. The pathogen was identified as Phytopythium litorale based on several morphological features. Partial DNA sequences of three loci, including nuclear rDNA internal transcribed spacer (ITS) and the large ribosomal subunit (LSU), and mitochondrial cytochrome c oxidase subunit II (coxII) confirmed the morphological identification. All P. litorale isolates were homothallic, developing gametangia, ornamented oogonia with elongate to lobate antheridia. Pathogenicity of P. litorale was tested by inoculation on excised shoots and by root inoculation on seedlings. P. litorale produced large lesions and blights on shoots in just 5 days and killed 100% of the seedlings in a month. This paper presents the first confirmed report of P. litorale as an important pathogen on a plant species causing branch and stem cankers, and root and collar rot, in and on P. orientalis, resulting in a rapid decline of trees and suggesting a threat to plane.
dc.identifier.doi10.1094/PDIS-01-20-0141-RE
dc.identifier.endpage2648
dc.identifier.issn0191-2917
dc.identifier.issn1943-7692
dc.identifier.issue10
dc.identifier.pmid32791883
dc.identifier.scopus2-s2.0-85091808637
dc.identifier.scopusqualityQ1
dc.identifier.startpage2642
dc.identifier.urihttps://doi.org/10.1094/PDIS-01-20-0141-RE
dc.identifier.urihttps://hdl.handle.net/11480/16337
dc.identifier.volume104
dc.identifier.wosWOS:000576010400012
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherAmer Phytopathological Soc
dc.relation.ispartofPlant Disease
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241106
dc.subjectPlatanus orientalis
dc.subjectPhytopythium litorale
dc.subjectcanker stain
dc.subjectoomycete
dc.subjectdecline
dc.subjectroot and collar rot
dc.titlePhytopythium litorale: A Novel Killer Pathogen of Plane (Platanus orientalis) Causing Canker Stain and Root and Collar Rot
dc.typeArticle

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