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dc.contributorBaum, Michaelen_US
dc.contributorAl-Ahmed, Ahmeden_US
dc.contributorKemal, Seid Ahmeden_US
dc.contributorAbang, Mathewen_US
dc.contributorYabrak, Mohammad M.en_US
dc.contributorMurad, Sameren_US
dc.contributorKabbabeh, Sihamen_US
dc.contributorHamwieh, Aladdinen_US
dc.creatorAtik, Omaren_US
dc.date.accessioned2017-07-23T21:32:16Z
dc.date.available2017-07-23T21:32:16Z
dc.identifierhttps://mel.cgiar.org/dspace/limiteden_US
dc.identifierhttps://onlinelibrary.wiley.com/doi/full/10.1111/j.1439-0434.2011.01788.xen_US
dc.identifierhttps://www.researchgate.net/publication/230159563_Chickpea_Ascochyta_Blight_Disease_Status_and_Pathogen_Mating_Type_Distribution_in_Syriaen_US
dc.identifier.citationOmar Atik, Michael Baum, Ahmed Al-Ahmed, Seid Ahmed Kemal, Mathew Abang, Mohammad M. Yabrak, Samer Murad, Siham Kabbabeh, Aladdin Hamwieh. (30/6/2011). Chickpea Ascochyta Blight: Disease Status and Pathogen Mating Type Distribution in Syria. Journal of Phytopathology, 159 (6), pp. 443-449.en_US
dc.identifier.urihttps://hdl.handle.net/20.500.11766/7165
dc.description.abstractChickpea fields were surveyed in nine major chickpeagrowing provinces of Syria in 2008 and 2009 to determine the prevalence and severity of Ascochyta blight, and the distribution of Didymella rabiei mating types (MATs) in the country. A total of 133 Ascochyta rabiei isolates were assayed for mating type, including isolates from older collections that date back to 1982. Multiplex MAT-specific PCR with three primers was used for MAT analysis. Out of the 133 tested isolates, 64% were MAT1-1 and 36% were MAT1-2. Both MATs were found in six provinces but MAT1-1 alone was found in three provinces. Chi-squared analysis was used to test for a 1 : 1 ratio of MAT frequencies in all samples. The MAT ratios in the six provinces were not significantly different from 1 : 1, suggesting that there is random mating of the pathogen population under natural conditions. The presence of the two MATs is expected to play a role in the evolution of novel virulence genes that could threaten currently resistant chickpea varieties. Overall analysis of the 133 isolates showed a significant deviation from the 1 : 1 ratio with almost twice as many MAT1-1 isolates than MAT1-2 isolates, which indicates a competitive advantage associated with MAT1-1 in Syria. However, the overall picture of an unequal frequency in MATs indicates that there may be limited sexual recombination occurring in the Syrian population.en_US
dc.formatPDFen_US
dc.languageenen_US
dc.publisherWiley: 12 monthsen_US
dc.sourceJournal of Phytopathology;159,(2011) Pagination 443-449en_US
dc.subjectmultiplex pcren_US
dc.subjectmating typesen_US
dc.subjectascochyta blighten_US
dc.titleChickpea Ascochyta Blight: Disease Status and Pathogen Mating Type Distribution in Syriaen_US
dc.typeJournal Articleen_US
dcterms.available2011-02-03en_US
dcterms.extent443-449en_US
dcterms.issued2011-06-30en_US
cg.creator.idBaum, Michael: 0000-0002-8248-6088en_US
cg.creator.idKemal, Seid Ahmed: 0000-0002-1791-9369en_US
cg.creator.idHamwieh, Aladdin: 0000-0001-6060-5560en_US
cg.subject.agrovocdidymella rabieien_US
cg.subject.agrovocchickpeasen_US
cg.subject.agrovocChickpeaen_US
cg.contributor.centerInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.contributor.centerInternational Center for Tropical Agriculture - CIATen_US
cg.contributor.centerUniversity of Aleppoen_US
cg.contributor.centerGeneral Commission for Scientific Agricultural Research - GCSARen_US
cg.contributor.crpCGIAR Research Program on Dryland Systems - DSen_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.date.embargo-end-date2111-02-03en_US
cg.coverage.regionWestern Asiaen_US
cg.coverage.countrySYen_US
cg.contactomaratik5@gmail.comen_US
cg.identifier.doihttps://dx.doi.org/10.1111/j.1439-0434.2011.01788.xen_US
cg.isijournalISI Journalen_US
dc.identifier.statusLimited accessen_US
mel.impact-factor0.853en_US
cg.issn0931-1785en_US
cg.journalJournal of Phytopathologyen_US
cg.issue6en_US
cg.volume159en_US


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