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    Natural occurrence of the entomopathogenic fungi Beauveria bassiana as a vertically transmitted endophyte of Pinus radiata and its effect on above- and below-ground insect pests

    Lefort, Marie-Caroline; McKinnon, Aimee; Nelson, T. L.; Glare, Travis
    Abstract
    The New Zealand forest industry would greatly benefit from a successful way of controlling insect pests. The entomopathogenic fungus, Beauveria bassiana, could hold such potential. It has previously been shown to be capable of endophytic colonisation of the Monterey pine Pinus radiata. We investigated B. bassiana transmission in P. radiata and whether this fungus, while acting as an endophyte, was beneficial to this tree species by testing its effect on above- and below-ground insect feeders. Beauveria bassiana was detected in P. radiata seedlings which had not previously been exposed to the fungus, indicating a vertical mode of transmission. The presence of the fungus negatively affected the fitness of below-ground insects feeding on the plant by reducing their survival by over 10% and their weight by about 5%. This vertically-transmitted beneficial endophyte of pine could be used cost-effectively to control insect pests in commercially-grown P. radiata plantations.... [Show full abstract]
    Keywords
    biological control; Helicoverpa armigera; Costelytra zealandica; Pinus radiata; Beauveria bassiana
    Fields of Research
    070505 Forestry Pests, Health and Diseases; 050103 Invasive Species Ecology; 100202 Biological Control; 07 Agricultural and Veterinary Sciences
    Date
    2016
    Type
    Journal Article
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    • Bio-Protection Research Centre [306]
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    Lefort M-C, McKinnon AC, Nelson TL, Glare TR- Natural occurrence of the entomopathogenic-2016.pdf
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    © 2016 New Zealand Plant Protection Society (Inc.) www.nzpps.org Refer to http://www.nzpps.org/terms_of_use.html
    Citation
    Lefort, M-C., McKinnon, A.C., Nelson, T.L., & Glare, T.R. (2016). Natural occurrence of the entomopathogenic fungi Beauveria bassiana as a vertically transmitted endophyte of Pinus radiata and its effect on above- and below-ground insect pests. New Zealand Plant Protection, 69, 68-77.
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