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  • First report of the entomopathogenic nematode, Steinernema carpocapsae, from Moghan region of Iran and its efficacy against the turnip moth, Agrotis segetum Denis and Schiffermuller (Lepidoptera: Noctuidae), larvae.

    Author(s) : Ebrahimi, L.Tanhamaafi, Z.Sharifi, P.

    Author Affiliation : BioControl Research Department, Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran.

    Author Email : ebrahimi.laleh@gmail.com

    Journal article : Egyptian Journal of Biological Pest Control 2019 Vol.29 No.66 pp.(08 October 2019) ref.29

    Abstract : During a survey of entomopathogenic nematodes (EPNs) in Moghan region of IraniranSubject Category: Geographic Entities
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    in 2015, a steinernematid species was isolated, using the Galleria-baiting method. Based on its morphological and phylogenetic analysis of molecular data, the isolate was identified as Steinernema carpocapsaesteinernema carpocapsaeSubject Category: Organism Names
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    . The ITS rDNA sequence was deposited in NCBI (National Center for Biotechnology Information) with accession number of MF187616.1. Nucleotide row data was edited, using MEGA 6.0 software, and homologous sequences were involved in analysis, using Blast software. Sequences were aligned using Clustal W. Bootstrap analysis. The phylogenetic tree was constructed by the maximum likelihood method, using MEGA 6.0 software, and Steinernema feltiae was used as out-group. The turnip moth, Agrotis segetumagrotis segetumSubject Category: Organism Names
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    Denis and Schiffermuller (LepidopteralepidopteraSubject Category: Organism Names
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    : NoctuidaenoctuidaeSubject Category: Organism Names
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    ), is one of the most important and destructive cutworm pests in Moghan. Therefore, the lethal effect of S. carpocapsae isolate Moghan (IRMoghan) was evaluated in a soil assay against the last instar larvaelarvaeSubject Category: Miscellaneous
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    of A. segetum under laboratory conditions. The bioassay results showed high susceptibility of the larvae to S. carpocapsae. The LC10, LC50, and LC90 values were 9.9, 54.13, and 246.2 IJs (infective juveniles) per larva of the pest, respectively (χ2 = 7.36; df = 3, P value = 0.061). Reproduction of the EPNs within the dissected cadavers was observed. The bioassay results indicated that the new isolate is a promising biocontrol agent against A. segetum larvae with success recycling through them.

    ISSN : 1110-1768

    DOI : 10.1186/s41938-019-0168-y

    Record Number : 20203326188

    Publisher : SpringerOpen

    Location of publication : London

    Country of publication : UK

    Language of text : English

    Indexing terms for this abstract:

    Organism descriptor(s) : Steinernema carpocapsaesteinernema carpocapsaeSubject Category: Organism Names
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    , Agrotis segetumagrotis segetumSubject Category: Organism Names
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    , insectsinsectsSubject Category: Organism Names
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    Descriptor(s) : entomophilic nematodesentomophilic nematodesSubject Category: Organism Groups
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    , insect pestsinsect pestsSubject Category: Organism Groups
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    , plant pestsplant pestsSubject Category: Organism Groups
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    , entomopathogensentomopathogensSubject Category: Organism Groups
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    , new geographic recordsnew geographic recordsSubject Category: Publications
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    , larvaelarvaeSubject Category: Miscellaneous
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    , efficacyefficacySubject Category: Properties
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    , biological controlbiological controlSubject Category: Techniques, Methodologies and Equipment
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    , biological control agentsbiological control agentsSubject Category: Organism Groups
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    , geographical distributiongeographical distributionSubject Category: Properties
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    , natural enemiesnatural enemiesSubject Category: Organism Groups
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    , arthropod pestsarthropod pestsSubject Category: Organism Groups
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    , pestspestsSubject Category: Organism Groups
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    , pathogenspathogensSubject Category: Organism Groups
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    Identifier(s) : insect nematodes, nematodes, pest insects, biocontrol, biological control organisms, biocontrol agents, pest arthropods

    Geographical Location(s) : IraniranSubject Category: Geographic Entities
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    Broader term(s) : SteinernemasteinernemaSubject Category: Organism Names
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    , SteinernematidaesteinernematidaeSubject Category: Organism Names
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    , RhabditidarhabditidaSubject Category: Organism Names
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    , ChromadoriachromadoriaSubject Category: Organism Names
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    , ChromadoreachromadoreaSubject Category: Organism Names
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    , NematodanematodaSubject Category: Organism Names
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    , invertebratesinvertebratesSubject Category: Organism Names
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    , animalsanimalsSubject Category: Organism Names
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    , eukaryoteseukaryotesSubject Category: Organism Names
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    , Developing Countriesdeveloping countriesSubject Category: Miscellaneous
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    , Middle Eastmiddle eastSubject Category: Geographic Entities
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    , Threshold Countriesthreshold countriesSubject Category: Miscellaneous
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    , West Asiawest asiaSubject Category: Geographic Entities
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    , AsiaasiaSubject Category: Geographic Entities
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    , AgrotisagrotisSubject Category: Organism Names
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    , NoctuidaenoctuidaeSubject Category: Organism Names
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    , LepidopteralepidopteraSubject Category: Organism Names
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    , insectsinsectsSubject Category: Organism Names
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    , HexapodahexapodaSubject Category: Organism Names
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    , arthropodsarthropodsSubject Category: Organism Names
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