Insecticidal effect of entomopathogenic nematodes and the cell-free supernatants from their symbiotic bacteria against different larval instars of Agrotis segetum (Denis & Schiffermuller) (Lepidoptera: Noctuidae)

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dc.authorid0000-0002-6982-5874en_US
dc.authorid0000-0002-7217-9092en_US
dc.authorid0000-0002-8274-282Xen_US
dc.authorid0000-0001-9201-5725en_US
dc.authorid0000-0002-0753-0077en_US
dc.contributor.authorYüksel, Ebubekir
dc.contributor.authorİmren, Mustafa
dc.contributor.authorÖzdemir, Esengül
dc.contributor.authorBozbuğa, Refik
dc.contributor.authorCanhilal, Ramazan
dc.date.accessioned2023-08-17T06:13:55Z
dc.date.available2023-08-17T06:13:55Z
dc.date.issued2022en_US
dc.departmentBAİBÜ, Ziraat Fakültesi, Bitki Koruma Bölümüen_US
dc.description.abstractBackground Entomopathogenic nematodes (EPNs) (Steinernematidae and Heterorhabditidae) and their symbiotic bacteria are pathogenic for a wide range of insect pests and have been used successfully as a biological control agent. Although EPNs are well studied against many agricultural insect pests, the efficacy of their symbiotic bacteria still remains unclear for many insect pests of agricultural importance. In the present study, the virulence of native EPN isolates and their cell-free supernatants of symbiotic bacteria were tested against the 3rd and 4th larval instars of Agrotis segetum (Denis & Schiffermuller) (Lepidoptera: Noctuidae) under laboratory conditions (25 +/- 1 degrees C and R.H. 60%). Results The 4th instar larvae were more susceptible to infective juveniles (IJs) and mortalities over (95%) were achieved by all tested EPN isolates at the concentration of 100 IJs/cm(2) after 72 hrs of exposure. The cell-free supernatants were more effective against the 3rd instar larvae and the highest mortalities were recorded as 42 and 60% in the contact and leaf disc bioassays, respectively. Conclusion The results indicated that the cell-free supernatants can be an ideal application for young larval stages of A. segetum. However, further studies are required to test the effectiveness of both EPNs and the cell-free supernatants of their symbiotic bacteria in field conditions.en_US
dc.identifier.citationYüksel, E., Imren, M., Özdemir, E., Bozbuğa, R., & Canhilal, R. (2022). Insecticidal effect of entomopathogenic nematodes and the cell-free supernatants from their symbiotic bacteria against different larval instars of Agrotis segetum (Denis & Schiffermüller)(Lepidoptera: Noctuidae). Egyptian Journal of Biological Pest Control, 32(1), 1-7.en_US
dc.identifier.doi10.1186/s41938-022-00555-1
dc.identifier.endpage7en_US
dc.identifier.issn1110-1768
dc.identifier.issn2536-9342
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-85132623249en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1en_US
dc.identifier.urihttp://dx.doi.org/10.1186/s41938-022-00555-1
dc.identifier.urihttps://hdl.handle.net/20.500.12491/11553
dc.identifier.volume32en_US
dc.identifier.wosWOS:000796514700002en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorİmren, Mustafa
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofEgyptian Journal of Biological Pest Controlen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectBiological Controlen_US
dc.subjectSteinernema Feltiaeen_US
dc.subjectHeterorhabditis Bacteriophoraen_US
dc.subjectHeterorhabditis-Bacteriophoraen_US
dc.subjectSteinernema Spp.en_US
dc.subjectLife-Cycleen_US
dc.titleInsecticidal effect of entomopathogenic nematodes and the cell-free supernatants from their symbiotic bacteria against different larval instars of Agrotis segetum (Denis & Schiffermuller) (Lepidoptera: Noctuidae)en_US
dc.typeArticleen_US

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