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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:: : _________________________________________________ M. Carmo Vasconcelos A rootstock trial was established in 1997 at the OSU Woodhall vineyard

Creator:: Brasher, Erik W.
Abstract:: Crop thinning trials were studied during two seasons at two locations in the northern Willamette Valley of Oregon. At Willakenzie Estate (site #1), research vines were Pinot noir clone Dijon 113 on 3309 rootstocks trained to a double Guyot. Vines were established in 1996 at a spacing of 2.5 x...
Resource Type:: Masters Thesis
Full Text:: 1996 at a spacing of 2.5 x 1.67 m (5 x 7.5 ft). The soil type was a Willakenzie silt loam. At Hyland

Creator:: Sweet, Rebecca Marie
Abstract:: It is estimated that 50-75% of Oregon vineyards cultivate at least every other alley in order to 1) reduce water stress 2) increase vineyard canopy temperatures and 3) increase nutrient availability. Because many vineyards are situated on steep hillsides, frequent tillage could result in increased soil erosion, decreased soil quality...
Resource Type:: Masters Thesis
Full Text:: al. 1998), contribute to soil N pools (Jackson, 2000; Ranells & Wagger, 1996), or even immobilize

Creator:: Curtis, Morgan A.
Abstract:: The use of cover crops in young vineyards is not widely accepted in the Pacific Northwest due to concerns of water and nutrient competition between the cover crop and vines. The last 2 years of a 4-year study started in 2009 are reported here. The study evaluated the use of...
Resource Type:: Masters Thesis
Full Text:: increased tree growth (Fang et al. 2007). Applications rates of 2.5 kg m-2 5.0 kg m-2, and 7.5 kg m-2 of

Creator:: Howe, Jessica
Abstract:: This study integrates various vineyard practices that may improve nitrogen availability to the vine, particularly during ripening. Different strategies aimed at increasing yeast assimilable nitrogen in the fruit at harvest have been evaluated. This study seeks to improve fermentation behavior and wine quality through vineyard practices used for nitrogen management....
Resource Type:: Masters Thesis
Full Text:: and Williams, 1988; Jackson and Lombard, 1993; Lohnertz, 1991; Roubelakis-Angelakis and Kliewer

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