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Filtering by: Committee Member Powelson, R. L. Remove constraint Committee Member: Powelson, R. L. Advisor Grabe, Don F. Remove constraint Advisor: Grabe, Don F. Degree Level Doctoral Remove constraint Degree Level: Doctoral

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  • Spring establishment of orchardgrass and tall fescue seed crops with cereal companion crops

    Creator:
    Chastain, Thomas G.
    Abstract:
    Orchardgrass and tall fescue seed crops are commonly springplanted in Oregon, but do not produce a marketable crop during the first growing season. Establishing orchardgrass and tall fescue with cereal companion crops would provide income during the seeding year and could increase seed production profits. This study was conducted to...
    Resource Type:
    Dissertation
    Full Text:
    increased stomatal resistance (L r ) and reduced transpiration rate (TR) on 10 June 1986 (Table 1.5

  • Effect of moisture stress on yield and quality of winter wheat seed

    Creator:
    Assuncao, Marcos Vinicius
    Abstract:
    Two experiments were conducted to determine the effects of moisture stress on physiological changes that occur during the vegetative and reproductive stages of the wheat (Triticum aestivum L.) plant, and to relate these effects to seed yield, quality and performance. In a field experiment, different levels of moisture stress were...
    Resource Type:
    Dissertation
    Full Text:
    . Bolton, Dr. D. 0. Chilcote, Dr. D. J. Armstrong, Dr. L. D. Koller and Dr. Jack R. Stang for serving as