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  • Apoplastic distribution of atrazine and glyphosate in intact sunflower leaves

    Creator:
    Jachetta, John Joseph
    Abstract:
    Apoplastic distribution patterns of atrazine [2-chloro-4-(ethylamino)- 6-(isopropylamino)-s-triazine], glyphosate [N-(phosphonomethyl)- glycine], the naturally occurring apoplastic leaf solutes, and the apoplastic dye PTS (trisodium 3-hydroxy-5,8,10-pyrenetrisulfonate) were compared. Aliquots of sap were expressed from intact sunflower leaves in a pressure chamber over intervals of 0.2 to 0.4 bars. Three distinct fractions were detected...
    Resource Type:
    Dissertation
    Full Text:
    privacy Dean of Schoo6 Date thesis is presented: August 3, 1983 Typed by Lynn J. O'Hare for: John J

  • Dinitroaniline-herbicide resistance in goosegrass (Eleusine indica) : ecophysiological aspects

    Creator:
    Valverde, Bernal E.
    Abstract:
    Growth of individual goosegrass (Eleusine indica (L) Gaertn.) plants of three dinitroaniline-herbicide resistant (R) and three susceptible (S) biotypes from North Carolina, South Carolina, and Mississippi was analyzed in greenhouse experiments. Leaf area and biomass measurements, including root, shoot, above-ground, and total dry weights were similar among the biotypes studied....
    Resource Type:
    Dissertation
    Full Text:
    Mike Kawate, Mary Lynn Roush, Bruce Maxwell, Enrique Rojas, Albert Fischer, and Barbara Wells. My

  • The effect of soil factors on glyphosate availability in soil

    Creator:
    Kawate, Michael Ken
    Abstract:
    Glyphosate (N-(phosphonomethyl)glycine) is an effective foliar-applied herbicide with broad-spectrum activity. Greenhouse and laboratory experiments were conducted to determine the importance of soil moisture, autoclaved soil, soil type, sphagnum peat, soil pH, added phosphorus, and plant residues on crop establishment and growth when glyphosate was applied before emergence of the crop....
    Resource Type:
    Dissertation