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dc.contributor.authorTurkkan, Muharrem
dc.contributor.authorErper, Ismail
dc.contributor.authorKilicoglu, Melike Cebi
dc.contributor.authorYazicioglu, Emine
dc.contributor.authorOzcan, Muharrem
dc.date.accessioned2020-06-21T13:05:58Z
dc.date.available2020-06-21T13:05:58Z
dc.date.issued2018
dc.identifier.issn0931-1785
dc.identifier.issn1439-0434
dc.identifier.urihttps://doi.org/10.1111/jph.12758
dc.identifier.urihttps://hdl.handle.net/20.500.12712/11294
dc.descriptionWOS: 000451418800002en_US
dc.description.abstractIn this study, 58 Rhizoctonia isolates were obtained from plants exhibiting symptoms of root and stem rot in kiwifruit orchards in six different provinces in the Black Sea region of Turkey. The isolates were analysed for their cultural characteristics, anastomosis groups (AGs) and subgroups according to nucleotide sequence variations in the internal transcribed spacer (ITS) regions including the 5.8S gene of nuclear ribosomal DNA (rDNA) and pathogenicity. Based on ITS1-5.8S-ITS2 rDNA sequencing, 52 binucleate (BN) Rhizoctonia isolates were identified as belonging to AG-O (17), AG-L (1), AG-G (7), AG-I (1), AG-A (9), AG-Fa (9), AG-Fb (1), AG-R (3) and AG-P (4). Of the remaining 6 isolates, three belonged to multinucleate (MN) R. solani AG 4 HG-I, one belonged to AG 4 HG-II, one belonged to AG 5 and one belonged to AG 1-IB. The sequences of these isolates were aligned and compared with other Rhizoctonia sequences retrieved from GenBank (NCBI), and phylogenetic analysis was used to determine evolutionary relationships among them. All isolates used in the temperature experiments grew between 15-35 degrees C, and their growth was completely inhibited at 5 and 40 degrees C, with a few exceptions. In the pathogenicity tests carried out using 58.6% of the isolates on kiwifruit seedlings, it was determined that there were statistically significant virulence differences among BN and MN Rhizoctonia isolates (p < 0.05). The virulence of BN Rhizoctonia ranged from 0.2 to 4.0, whereas that of MN varied from 2.4 to 4.0. Unlike some isolates of AG-R, AG 4 HG-II and AG 1-IB, which had no significant difference between them in virulence, AG-P and AG 4 HG-I isolates significantly reduced plant height, shoot and root dry weights and root length when compared to control plants. To our knowledge, it is the first detailed report of AGs of BN and MN Rhizoctonia, the causal agent of root and stem rot on kiwifruit in Turkey and in the world.en_US
dc.description.sponsorshipOrdu University Scientific Research Projects [AR-1634]en_US
dc.description.sponsorshipOrdu University Scientific Research Projects, Grant/Award Number: AR-1634en_US
dc.language.isoengen_US
dc.publisherWileyen_US
dc.relation.isversionof10.1111/jph.12758en_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectActinidia deliciosaen_US
dc.subjectAnastomosis groupen_US
dc.subjectPathogenicityen_US
dc.subjectrDNA-ITS regionen_US
dc.subjectRhizoctonia root and stem roten_US
dc.titleCharacterization and pathogenicity of Rhizoctonia spp. isolated from kiwifruit in the Middle and Eastern Black Sea region of Turkeyen_US
dc.typearticleen_US
dc.contributor.departmentOMÜen_US
dc.identifier.volume166en_US
dc.identifier.issue11.Decen_US
dc.identifier.startpage761en_US
dc.identifier.endpage774en_US
dc.relation.journalJournal of Phytopathologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US


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