Biological control of Pseudomonas savastanoi pv. savastanoi causing the olive knot disease with epiphytic and endophytic bacteria

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dc.contributor.authorFiliz Doksoz, Senem
dc.contributor.authorBozkurt, Imam Adem
dc.date.accessioned2024-09-18T20:52:52Z
dc.date.available2024-09-18T20:52:52Z
dc.date.issued2022
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractThe aim of this study was to determine the biological control possibilities of Pseudomonas savastanoi pv. savastanoi (Psv) by using epiphytic and endophytic bacteria isolated from the roots and shoots of healthy olive trees. A total of 336 bacterial isolates (196 epiphytes and 140 endophytes) were recovered and diagnosed by using Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry (MALDI-TOF-MS). In dual culture tests, 81 bacterial strains inhibited pathogen development at different degrees. The highest inhibition value (A-index) was determined in Bacillus megaterium HZEP7 with a 5.24 A-index value, followed by B. subtilis HZEN1 (4.85) and Pseudomonas koreensis HZEN27 (4.83). Mechanisms of antagonist bacterial strains for siderophore and protease production were also investigated by in vitro tests. The strains to be used in vivo tests were determined according to high antagonistic effects and B. subtilis HZEN1, B. megaterium HZEP7, P. koreensis HZEN27, and B. pumilus HZEP29 strains were selected for in vivo tests. In the carrot slices inoculation, the highest inhibition value was detected in B. subtilis HZEN1 with 98.78%, followed by B. megaterium HZEP7 (94.49%), P. koreensis HZEN27 (92.09%), and B. pumilus HZEP29 (90.26%) isolates. Similar to carrot slices in sapling inoculation tests, all bacterial isolates inhibited gall formation. The highest inhibition value was determined in the B. subtilis HZEN1 isolate with 78.72%, followed by B. megaterium HZEP7 (60.87%), P. koreensis HZEN27 (46.09%), and B. pumilus HZEP29 (44.87%) isolates. The obtained results showed that B. subtilis HZEN1, B. megaterium HZEP7, P. koreensis HZEN27, and B. pumilus HZEP29 isolates could be used against Psv, the causal agent of the olive knot disease, as a biocontrol agent.en_US
dc.description.sponsorshipHatay Mustafa Kemal University [18.D.011]en_US
dc.description.sponsorshiplThe authors thanks Research Assistant Ahmet Emin Yildirim for the revision of the manuscript. This study was financially supported by Hatay Mustafa Kemal University, Scientific Research Project Unit by a Grant number 18.D.011.en_US
dc.identifier.doi10.1007/s42161-021-00975-2
dc.identifier.endpage78en_US
dc.identifier.issn1125-4653
dc.identifier.issn2239-7264
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-85119055178en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage65en_US
dc.identifier.urihttps://doi.org/10.1007/s42161-021-00975-2
dc.identifier.urihttps://hdl.handle.net/20.500.12483/11457
dc.identifier.volume104en_US
dc.identifier.wosWOS:000719268400001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal of Plant Pathologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectOlive knoten_US
dc.subjectPseudomonas savastanoi pven_US
dc.subjectsavastanoien_US
dc.subjectBiocontrolen_US
dc.subjectAntagonismen_US
dc.titleBiological control of Pseudomonas savastanoi pv. savastanoi causing the olive knot disease with epiphytic and endophytic bacteriaen_US
dc.typeArticleen_US

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