Detection and monitoring of cabbage aphids (Hemiptera: Aphididae) in dryland canola (Brassicaceae: Brassicales)

    Research output: ThesisDoctoral Thesis

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    Cabbage aphids are major pests of canola , an important crop in Australia. Multiple-scale experiments showed that cabbage aphids were strongly aggregated along field edges. A spatially-targeted sequential sampling plan was developed, which included field stratification to account for variability associated with large field sizes and edge effects. In addition, imagery acquired using an unmanned aerial vehicle demonstrated that potassium deficient canola plants could be detected and these were shown to be more susceptible to arthropod attack. This information will provide a rapid means of assessing canola crops for cabbage aphid Infestations and may provide a basis for targeted insecticide applications.
    Original languageEnglish
    QualificationDoctor of Philosophy
    Awarding Institution
    • The University of Western Australia
    • Didham, Raphael, Supervisor
    • Callow, Nik, Supervisor
    • Jones, Roger, Supervisor
    • Nansen, Christian, Supervisor
    • Flower, Ken, Supervisor
    Award date24 Aug 2016
    Publication statusUnpublished - 2016


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