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Filtering by: Committee Member Coombs, Eric Remove constraint Committee Member: Coombs, Eric Subject Insects as biological pest control agents -- Oregon Remove constraint Subject: Insects as biological pest control agents -- Oregon Subject Invasive plants -- Biological control -- Oregon Remove constraint Subject: Invasive plants -- Biological control -- Oregon

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  • An evaluation of biological control of Linaria dalmatica with Mecinus janthinus in Oregon

    Creator:
    Park, Alexander
    Abstract:
    Dalmatian toadflax (Linaria dalmatica) has become a prolific invasive plant of rangelands in Oregon since its arrival in the early 20th century. In 2001, the Oregon Department of Agriculture initiated a release program promoting the distribution of the stem-boring weevil, Mecinus janthinus as classical biological control agent to reduce densities...
    Resource Type:
    Masters Thesis
    Full Text:
    members Eric Coombs and Dr. Doug Johnson, your wisdom and guidance represented the ball of thread that