Effect of Different Plant Growth-Promoting Rhizobacteria on Biological Soil Properties, Growth, Yield and Quality of Oregano (Origanum onites L.)

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dc.authoridTurkoglu, Aras/0000-0003-2611-8034
dc.authoridHaliloglu, Kamil/0000-0002-4014-491X
dc.authoridBocianowski, Jan/0000-0002-0102-0084
dc.authoridCakmakci, Ramazan/0000-0002-1354-1995
dc.authoridPour-Aboughadareh, Alireza/0000-0001-5782-5327
dc.authoridJamshidi, Bita/0000-0001-5067-030X
dc.contributor.authorCakmakci, Ramazan
dc.contributor.authorHaliloglu, Kamil
dc.contributor.authorTuerkoglu, Aras
dc.contributor.authorOzkan, Guller
dc.contributor.authorKutlu, Meral
dc.contributor.authorVarmazyari, Atefeh
dc.contributor.authorMolnar, Zoltan
dc.date.accessioned2025-01-27T20:29:14Z
dc.date.available2025-01-27T20:29:14Z
dc.date.issued2023
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIntensive agriculture uses continuous chemical fertilizers to increase crop yields, but excessive use of fertilizers leads to environmental pollution, permanent changes in physicochemical conditions in soil ecology, deterioration of soil biological health, leaching of nutrients, surface and groundwater pollution and eutrophication. Plant growth-promoting rhizobacteria (PGPR) are becoming increasingly important for ensuring crop safety, increasing nutrient uptake and output, lowering fertilizer costs, preventing environmental contamination and promoting sustainable agriculture and agricultural resources. Therefore, the purpose of this study was to identify and evaluate the effects of fifteen bacteria strains that were isolated from various acidic rhizospheric soils as biofertilizers on soil biological properties. Growth, yield and quality traits were analyzed, and various PGPR were identified using 16S ribosomal RNA of Turkish oregano. Fifteen bacterial inoculations with 1-aminocyclopropane-1-carboxylate (ACC) deaminase, N2-fixing, P-solubilizing and/or IAA-producing genes were used in the experiment, which was carried out in a randomized block design with five replicates (each with three pots) and a control without inoculation. Increased biological activity in soil inoculated with bacteria with multiple traits was confirmed by high C and N content in microbial biomass, urease, dehydrogenase and acid and alkaline phosphatase activities. Essential oil content, oil yield, thymol and carvacrol contents increased by 0.5-40.1%, 5.9-71.9%, 0.07-16.7% and 0.3-9.2%, respectively, as a result of bacterial inoculation. Oil content ranged from 2.02% to 2.83%; carvacrol (66.1-72.2%) was the main constituent, followed by thymol (14.5-16.9%) and linalool (1.38-3.68%). Two large PGPR groups were formed based on genetic distance analysis. Responses were variable and depended on the inoculant strain and the parameters being evaluated. The results indicate PGPR has clear potential for improving the yield of cultivated aromatic and essential oil plants, such as oregano.
dc.description.sponsorshipAtatrk University [2011/176]
dc.description.sponsorshipThe authors acknowledge the Ataturk University for their financial support with a grant (Scientific Research Projects Fund (BAP) No. 2011/176).
dc.identifier.doi10.3390/agronomy13102511
dc.identifier.issn2073-4395
dc.identifier.issue10
dc.identifier.scopus2-s2.0-85175372892
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3390/agronomy13102511
dc.identifier.urihttps://hdl.handle.net/20.500.12428/22877
dc.identifier.volume13
dc.identifier.wosWOS:001094911500001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofAgronomy-Basel
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectmedicinal plants
dc.subjectoregano
dc.subjectphylogenetic analysis
dc.subjectbiomass
dc.titleEffect of Different Plant Growth-Promoting Rhizobacteria on Biological Soil Properties, Growth, Yield and Quality of Oregano (Origanum onites L.)
dc.typeArticle

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