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    Improved Control of Otiorhynchus sulcatus at 9°C by Cold-stored Heterorhabditis megidis UK211


    Fitters, Paul F.L. and Dunne, Richard and Griffin, Christine (2001) Improved Control of Otiorhynchus sulcatus at 9°C by Cold-stored Heterorhabditis megidis UK211. Biocontrol Science and Technology, 11 (4). pp. 483-492. ISSN 1360-0478

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    Abstract

    The effect of storage temperature (9 and 20°C) on North West European Heterorhabditis megidis isolate UK211 for control of Otiorhynchus sulcatus larvae at 9°C is assessed. O. sulcatus mortality increased from -5.3% (corrected mortality) using freshly produced nematodes, to 27.1% using nematodes that had been cold-stored for 12 weeks. The number of nematodes invading the insect larvae increased almost 27-fold. Nematode storage at 9°C for 11 to 12 weeks weeks resulted in significantly higher O. sulcatus mortality (41%) than storage at 20°C for 2 to 3 weeks (12%). Thus, cold storage does enhance nematode infectivity for O. sulcatus larvae.

    Item Type: Article
    Keywords: Entomopathogenic Nematodes; Heterorhabditis Megidis; Biocontrol; Otiorhynchus Sulcatus; Bioassay; Galleria Mellonella; Lipids;
    Academic Unit: Faculty of Science and Engineering > Biology
    Item ID: 11258
    Identification Number: https://doi.org/10.1080/09583150120067517
    Depositing User: Dr. Christine Griffin
    Date Deposited: 14 Oct 2019 13:54
    Journal or Publication Title: Biocontrol Science and Technology
    Publisher: Taylor & Francis
    Refereed: Yes
    URI:

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