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Filtering by: Committee Member Ressel, Michael W. Remove constraint Committee Member: Ressel, Michael W. Advisor Appleby, Arnold P. Remove constraint Advisor: Appleby, Arnold P.

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  • Asulam for tansy ragwort control in alfalfa : field efficacy and selectivity factors

    Creator:
    Harper, Delbert Ray
    Abstract:
    Tansy ragwort (Senecio jacobaea L. ) is a poisonous weed which infests alfalfa fields in western Oregon. Studies were conducted to evaluate the effectiveness of asulam (methyl sulfanilylcarbamate)for control of tansy ragwort in alfalfa and to elucidate factors responsible for its selectivity. In seven replicated field trials in 1973 and...
    Resource Type:
    Dissertation
    Full Text:
    extended to Dr. Thomas C. Moore, Dr. W. W. Chilcote and Dr. Michael C. Mix for serving on my committee