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Filtering by: Creator Amarasinghe, Upali S. Remove constraint Creator: Amarasinghe, Upali S. Committee Member Hulting, Andrew Remove constraint Committee Member: Hulting, Andrew

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  • Investigations of Black Leg and Light Leaf Spot on Brassicaceae Hosts in Oregon

    Creator:
    Claassen, Briana J.
    Abstract:
    The Pacific Northwest is an internationally important region for the production of Brassica seed and other seed crops including grass seed. Oregon lawmakers mandated research into the co-existence of canola (Brassica napus) with other Brassica production in the Willamette Valley and House Bill 2427 was signed into law in 2013,...
    Resource Type:
    Masters Thesis
    Full Text:
    birdsrape mustard (B. rapa) and wild mustard (S. arvensis) in Oregon 2016………………….……………………………41 2.3

  • Decomposition of Brassicaceae Residue in the Willamette Valley

    Creator:
    Berry, Pete A.
    Abstract:
    An important inoculum source of Leptosphaeria maculans and L. biglobosa (syn Plenodomus spp.), the pathogens that cause black leg in Brassicaceae crops, is infected plant residues. The general acceptance of conservation tillage in the Willamette Valley, Oregon, USA, has enabled a build-up in the amount of residue on or near...
    Resource Type:
    Dissertation
    Full Text:
    crops have been the recommended management practices since the 1970’s epidemic in Western Australia