Date of this Version
Thesis (M.S.)--University of Nebraska--Lincoln, 1965. Department of Agronomy.
Laboratory, greenhouse, and field studies were initiated to study factors causing the variable reponse of emerged grasses to postemergence atrazine applications and to study methods of increasing the phytotoxicity of atrazine to emerged grasses. Factors studied as possible influences on the phytotoxicity of postemergence atrazine applications were: (a) the use of surfactants and humectants in the spray solution, (b) surface tensions of the spray solution, (c) the relative humidity in which the plants were grown, (d) the stage of growth of the plants at the time of spraying, and (e) the length of time that the spray solution maintained moist contact with the leaf.
Advisor: Orvin C. Burnside.