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  • Role of surfactants in foliar uptake of plant growth regulators

    Creator:
    Tan, Siyuan
    Abstract:
    Penetration of ¹⁴C-labeled plant growth regulators into the surface of apple (Malus pumila M.) leaves pre-soaked in 10 ml I⁻¹ solutions of surfactant was measured by detecting changes in radioactivity of the solution in glass cylinders sealed to the astomatal, adaxial surface of the leaf discs. Penetration of 2,4-D [(2,4-dichlorophenoxy)acetic...
    Resource Type:
    Dissertation
    Full Text:
    . Special thanks go to the members of my graduate committee: Drs. Arnold P. Appleby, Anita N. Azarenko

  • Water partitioning and respiration activity of dormant grape buds

    Creator:
    Gardea, Alfonso A.
    Abstract:
    Dormancy of 'Pinot Noir' grapevines was characterized. Primary buds required ca 300 cumulative chilling hours (CCH) to initiate the transition from endodormancy to ecodormancy, which occurred in mid November. Additional chilling, up to 1000 CCH, improved budbreak. Changes in bud water content were estimated by gravimetric and spectroscopic methods. Total,...
    Resource Type:
    Dissertation
    Full Text:
    . Arnold Appleby found the time in his busy schedule to review the manuscript and suggest critical