Alternaria blight infections of pistachio fruits in the southeastern anatolia region of Turkey

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dc.contributor.authorCan, C.
dc.contributor.authorKonukoglu, F.
dc.contributor.authorOzgun, E.
dc.contributor.authorKusek, M.
dc.contributor.authorOzkilinc, H.
dc.contributor.authorAktan, A.
dc.contributor.authorCitak, M.
dc.date.accessioned2025-01-27T18:58:51Z
dc.date.available2025-01-27T18:58:51Z
dc.date.issued2014
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractPistacia vera L. is an important crop species in the Southeastern region of Turkey. Alternaria blight disease caused by Alternaria spp. has become epidemic for the last couple of years. Disease symptoms mainly develop on young fruits and infections continue until harvest. Repeated infections decrease fruit quantity and quality that in turn reduce the yield. Pistachio fruits with Alternaria blight symptoms were collected during 2010-2011 growing seasons. Infected fruits were sampled from Adiyaman, Gaziantep, Sanliurfa, Mardin, Kahramanmaras and Siirt provinces where large pistachio plantations are located. Sampling and pathogen isolations were started in April just after pollination and fruit set, and continued until October, which is the harvest time of pistachio in the Southeastern Anatolia region. Isolates obtained from tissues infected with Alternaria blight were characterized morphologically and analyzed with DNA sequences, the nuclear internal transcribed spacer region, ITS and allergen regions, ALT, for molecular confirmation. Twenty-three Alternaria spp. isolates were obtained and subjected to pathogenicity analysis on 'Ohadi' pistachios. All the Alternaria spp. isolates caused blight symptoms on mature pistachio fruits. Four isolates were found to be highly pathogenic and there was difference among isolates in virulence levels. One highly virulent isolate was used to test reactions of 'Uzun', 'Ohadi' and 'Siirt' cultivars under field conditions, and 'Uzun' was found to be the most tolerant cultivar followed by 'Siirt' and 'Ohadi'.
dc.identifier.doi10.17660/actahortic.2014.1028.27
dc.identifier.endpage178
dc.identifier.isbn978-946261013-2
dc.identifier.issn0567-7572
dc.identifier.scopus2-s2.0-84899518721
dc.identifier.scopusqualityQ4
dc.identifier.startpage171
dc.identifier.urihttps://doi.org/10.17660/actahortic.2014.1028.27
dc.identifier.urihttps://hdl.handle.net/20.500.12428/13041
dc.identifier.volume1028
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherInternational Society for Horticultural Science
dc.relation.ispartofActa Horticulturae
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_Scopus_20250125
dc.subjectAlternaria; Infection; Pistachio
dc.titleAlternaria blight infections of pistachio fruits in the southeastern anatolia region of Turkey
dc.typeConference Object

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