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Filtering by: Subject Root rots Remove constraint Subject: Root rots Degree Field Soil Science Remove constraint Degree Field: Soil Science Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School

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  • Biological assessment of soils for potential development of take-all root rot

    Creator:
    McGeehan, Steven L.
    Abstract:
    Take-all root rot (Gaeumannomvces araminis var.tritici) is a major disease of wheat (Triticum aestivum) in western Oregon. Control of take-all is dependent on management practices such as crop rotation and soil fertility-plant nutrition relationships. The objective of this study was to develop a bioassay that could measure the influences of...
    Resource Type:
    Masters Thesis
    Full Text:
    of Take-all Root Rot AN ABSTRACT OF THE THESIS OF Steven L. McGeehan for the degree of Master of

  • Organic soil amendements (sic) : impacts on snap bean common root rot and soil quality

    Creator:
    Cespedes Leon, Maria Cecilia
    Abstract:
    Common root rot is a major disease of commercially grown snap bean (Phaseolus vulgaris L.) on the irrigated sandy soils of central Wisconsin. The objective of this study was to determine the relationships between soil properties and suppressiveness to common root rot of snap bean (causal agent Aphanomyces euteiches) in...
    Resource Type:
    Masters Thesis
    Full Text:
    Amendments: Impacts On Snap Bean Common Root Rot And Soil quality Abstract approved: Richard P. Dick

  • Cultural controls for suppressing Phytophthora cinnamomi root rot of blueberry

    Creator:
    Yeo, John R.
    Abstract:
    Phytophthora cinnamomi is a soilborne pathogen that causes root rot disease of highbush blueberry (Vaccinium corymbosum L.). When new installations of susceptible blueberry cultivars are infected with P. cinnamomi, plants often fail to grow significant new tissue, greatly reducing yields over the life of the planting. Chemical fungicides are available...
    Resource Type:
    Dissertation
    Full Text:
    on September 5, 2014. Title: Cultural Controls for Suppressing Phytophthora cinnamomi Root Rot of