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dc.contributorStrelkov, Stephenen_US
dc.contributorYahyaoui, Amor Hassineen_US
dc.contributorAmedov, M.en_US
dc.contributorSaidov, M.en_US
dc.contributorDjunusova, Miraen_US
dc.contributorKoichibayev, Muraten_US
dc.creatorLamari, L.en_US
dc.identifier.citationL. Lamari, Stephen Strelkov, Amor Hassine Yahyaoui, M. Amedov, M. Saidov, Mira Djunusova, Murat Koichibayev. (1/4/2010). Virulence of Pyrenophora tritici-repentis in the countries of the Silk Road. Canadian Journal of Plant Pathology, 27 (2), pp. 383-388.en_US
dc.description.abstractTan spot, caused by the fungal pathogen Pyrenophora tritici-repentis, is an important foliar disease of wheat. Eight races of the fungus are presently known based on their virulence on a wheat differential set. In 2001, approximately 80 wheat fields in Azerbaijan, Kyrghyzstan, Kazakhstan, Uzbekistan, and Syria were surveyed for the occurrence of tan spot. These countries lie on the historic Silk Road, which encompasses part of the wheat center of diversity. Single-spore isolates of P. tritici-repentis were recovered from 52 fields, and the virulence of 253 of these isolates was assessed on the differential hosts. The greatest diversity was observed in Azerbaijan, where races 1, 2, 3, 5, 7, and 8 of the pathogen were identified, and in Syria, where races 1, 3, 5, 7, and 8 were detected. However, little variation was found in the virulence of isolates from Kazakhstan, Kyrghyzstan, and Uzbekistan, with only one or two races identified in each of these countries. No isolate of races 4 and 6 was detected. Race 1 was predominant in all countries except Syria, where race 3 was the most common. Isolates of races 1 and 2 were collected mainly from hexaploid wheats, whereas isolates of races 3, 5, 7, and 8 were found predominantly or exclusively on tetraploid wheats. No new virulence pattern was identified, but as races are currently defined on a very limited set of differentials, the complete range of diversity in P. tritici-repentis is likely not being fully assessed.en_US
dc.publisherTaylor and Francisen_US
dc.sourceCanadian Journal of Plant Pathology;27,(2010) Pagination 383-388en_US
dc.subjecttan spoten_US
dc.titleVirulence of Pyrenophora tritici-repentis in the countries of the Silk Roaden_US
dc.typeJournal Articleen_US
cg.subject.agrovocpyrenophora tritici-repentisen_US
cg.contributor.centerInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.contributor.centerAzerbaijan National Academy of Sciences, Institute of Genetic Resources - ANAS - AGRIen_US
cg.contributor.centerUniversity of Albertaen_US
cg.contributor.centerUniversity of Manitobaen_US
cg.contributor.centerkyrgyzstan agriculture research instituteen_US
cg.contributor.centernational academy center for agrarian researchen_US
cg.contributor.funderInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.contributor.projectCommunication and Documentation Information Services (CODIS)en_US
cg.contributor.project-lead-instituteInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.coverage.regionWestern Asiaen_US
cg.coverage.regionCentral Asiaen_US
cg.isijournalISI Journalen_US
dc.identifier.statusTimeless limited accessen_US
cg.journalCanadian Journal of Plant Pathologyen_US

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