Interactions of fungal entomopathogens with synthetic insecticides for the control of Kuschelorhynchus macadamiae (Coleoptera: Curculionidae)
Article
Article Title | Interactions of fungal entomopathogens with synthetic insecticides for the control of Kuschelorhynchus macadamiae (Coleoptera: Curculionidae) |
---|---|
ERA Journal ID | 2923 |
Article Category | Article |
Authors | Khun, Kim Khuy (Author), Ash, Gavin J. (Author), Stevens, Mark M. (Author), Huwer, Ruth K. (Author) and Wilson, Bree A. L. (Author) |
Journal Title | Journal of Applied Entomology |
Journal Citation | 145 (6), pp. 553-566 |
Number of Pages | 14 |
Year | 2021 |
Publisher | John Wiley & Sons |
Place of Publication | Germany |
ISSN | 0931-2048 |
1439-0418 | |
Digital Object Identifier (DOI) | https://doi.org/10.1111/jen.12879 |
Web Address (URL) | https://onlinelibrary.wiley.com/doi/10.1111/jen.12879 |
Abstract | This study investigated the interactions between insecticides (acephate and indoxacarb) and fungal entomopathogens (Beauveria bassiana [Bals.-Criv.] Vuill. strain B27, Metarhizium anisopliae [Metschn.] Sorokin strain ECS1, and a commercial B. bassiana product, Velifer® Biological Insecticide) for controlling the macadamia seed weevil, Kuschelorhynchus macadamiae Jennings and Oberprieler, in the laboratory and glasshouse. In the laboratory, additive interactions between insecticides at their full field concentrations (776 mg AI/L of acephate and 75 mg AI/L of indoxacarb) and fungal entomopathogens at 107 conidia/ml (ECS1 and B27) or at full field concentration (0.5 ml of Velifer®/L) were seen at 6 days and 12 days post-application. Under the same experimental conditions, synergistic interactions against K. macadamiae were observed 6 days post-application when fungal entomopathogens at 2.5 × 106 conidia/ml or at 25% of full field concentration (Velifer®) were co-applied with insecticides at 25% of their full field concentrations, whilst additive interactions were again observed at 12 days post-application. In the glasshouse, additive interactions between insecticides (at full field concentrations) and fungal entomopathogens (at 107 conidia/ml, or at full field concentration for Velifer®) were obtained at 6 days and 12 days post-application. The results from this study suggest that acephate and indoxacarb have both synergistic and additive effects against K. macadamiae when deployed together with fungal entomopathogens, depending on the initial concentrations of mixture components. Combined application of entomopathogens with compatible insecticides promises to provide more effective management of K. macadamiae than individual chemical applications. |
Keywords | acephate, Beauveria bassiana, combined application, indoxacarb, Metarhizium anisopliae, synergy |
ANZSRC Field of Research 2020 | 300210. Sustainable agricultural development |
300804. Horticultural crop protection (incl. pests, diseases and weeds) | |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Centre for Crop Health |
Department of Primary Industries, New South Wales | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q6646/interactions-of-fungal-entomopathogens-with-synthetic-insecticides-for-the-control-of-kuschelorhynchus-macadamiae-coleoptera-curculionidae
142
total views10
total downloads3
views this month0
downloads this month