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  • Using rootstocks to manipulate vine physiological performance and mediate changes in fruit and wine composition

    Creator:
    Sampaio, Tiago Luís Barros
    Abstract:
    A rootstock trial was established in 1997 at the OSU Woodhall vineyard, located in the Southern Willamette Valley, which included two experiments. The first experiment was a factorial of four varieties grafted on to 9 rootstocks, and also as ungrafted vines (a split-plot design). The second experiment was a randomized...
    Resource Type:
    Dissertation
    Full Text:
    . The wine phenolic profile did not entirely reflect fruit composition, since extraction of skin

  • Silencing the Agrobacterium tumefaciens oncogenes

    Creator:
    Pitrak, Jennifer
    Abstract:
    Crown gall disease is an agricultural problem caused by the soil-borne bacterium, Agrobacterium tumefaciens. A. tumefaciens oncogenes cause transformed plant cells to overproduce the hormones, auxin and cytokinin. High hormone levels cause unorganized plant cell growth resulting in a gall. Control of crown gall disease is difficult because after plant...
    Resource Type:
    Dissertation
    Full Text:
    wide variety of dicotyledonous plant species including fruit and nut trees, grapevines, cane berries