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Filtering by: Subject Herbicides -- Oregon Remove constraint Subject: Herbicides -- Oregon Degree Field Botany and Plant Pathology Remove constraint Degree Field: Botany and Plant Pathology

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  • Performance of Willamette Valley native plants following herbicide exposure

    Creator:
    Blakeley-Smith, Matthew R.
    Abstract:
    Prairies were once the dominant vegetation type in Oregon's Willamette Valley. Land use conversion, fire suppression, succession, and invasive species have reduced Willamette Valley prairies to less than 1% of their historical area. The remnant prairies that persist today are small in size and are highly fragmented. Marginal strips of...
    Resource Type:
    Masters Thesis
    Full Text:
    herbicide in Benton County, Oregon, as well as worldwide (Woodburn 2000). Herbicide usage was determined

  • Sweet corn decline syndrome in Oregon's Willamette Valley

    Creator:
    Hoinacki, Elisabeth V.
    Abstract:
    For the past several years vegetable growers in Oregon's Willamette Valley have experienced reduced yields in their sweet corn plantings. We conducted studies to 1) describe the symptomology and etiology of the disease, 2) test a root rot rating system we developed to evaluate factors in the disease syndrome, and...
    Resource Type:
    Dissertation
    Full Text:
    reduced when treated with the herbicide/safener combination EPTC + R-29 148. EPIC 4- R-29 148 also