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    Vine Weevil Control in Ireland with Entomopathogenic Nematodes: Optimal Time of Application

    Fitters, Paul F.L. and Dunne, Richard and Griffin, Christine (2001) Vine Weevil Control in Ireland with Entomopathogenic Nematodes: Optimal Time of Application. Irish Journal of Agricultural and Food Research, 40 (2). pp. 199-213. ISSN 07916833

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    Outdoor trials with potted primroses (1997 and 1998) and field-grown strawberries (1998) artificially infected with vine weevil (Otiorhynchus sulcatus) were conducted in Ireland to assess the best time of nematode (Heterorhabditis megidis, isolate UK211) application in autumn. Approximately 75 to 85% control was obtained in primrose in both years when nematodes were applied at the end of September to mid-October. The 1997 primrose trial showed that an early September nematode application helped to avoid plant damage (important when protecting young and vulnerable plants), but that October and November nematode applications gave a higher (95%), but delayed, control level when left until spring. Control in strawberry was similar to that in primrose, with maximum 76% control. Maximum control levels obtained with nema todes were similar to those obtained with chlorpyrifos (Dursban) in strawberry and gamma HCH (Lindane) in primrose. These results clearly show that nematodes can be applied successfully outdoors, under Irish weather conditions, until mid-October.

    Item Type: Article
    Keywords: Biocontrol; Fragaria sp.; Heterorhabditis sp.; Otiorhynchus sulcatus; Primula spp.;
    Academic Unit: Faculty of Science and Engineering > Biology
    Item ID: 7544
    Depositing User: Dr. Christine Griffin
    Date Deposited: 19 Oct 2016 14:44
    Journal or Publication Title: Irish Journal of Agricultural and Food Research
    Publisher: Teagasc (Agriculture and Food Development Authority)
    Refereed: Yes
      Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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