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    •   MOspace Home
    • University of Missouri-Columbia
    • Graduate School - MU Theses and Dissertations (MU)
    • Theses and Dissertations (MU)
    • Dissertations (MU)
    • 2008 Dissertations (MU)
    • 2008 MU dissertations - Freely available online
    • View Item
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    Integrated management of the invasive weed, cut-leaved teasel (Dipsacus laciniatus L.) along a Missouri highways

    Bentivegna, Diego Javier
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    [PDF] research.pdf (3.338Mb)
    Date
    2008
    Format
    Thesis
    Metadata
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    Abstract
    Cut-leaved leaved teasel is an invasive, exotic, and noxious weed in Missouri. Biennial plant infest roadsides and undisturbed areas. Studies regarding seed biology, detection, and control measures were conducted to improve teasel management along a four mile section of Highway interstate 70 in central Missouri. Seed characteristic such as viability after flowering, emergence pattern and persistence were conducted. Hyperspectral images were collected using airplane along I-70 to assess teasel infestation levels. Chemical control together with grass establishment was utilized to reduce severity of infestations. Cut-leaved teasel produced germinable seed 12 days after flowering. Seed emerged primarily in April and October with 31%. After three years under field conditions, seed viability was only 6.1%. Cut-leaved teasel can be detected among other species in a highway environment with greater 80% accuracy. Application of the herbicide aminopyralid in both May and October, combined with sowing tall fescue, Canada wildrye and buffalograss resulted in reducing infestations levels of cut-leaved teasel by greater 90%. The integration of biology, detection and control techniques lead to conduct the optimum suitable cut-leaved management plan.
    URI
    https://doi.org/10.32469/10355/5549
    https://hdl.handle.net/10355/5549
    Degree
    Ph. D.
    Thesis Department
    Plant sciences (MU)
    Rights
    OpenAccess.
    This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License.
    Collections
    • 2008 MU dissertations - Freely available online
    • Plant Sciences electronic theses and dissertations (MU)

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