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Descriptive analysis of two consecutive vintages of Oregon Pinot noir wines as effected by irrigation, tillage and nitrogen supplementation in the vineyard

Creator:: Hjorth, Heather Byrne
Abstract:: Two vintages of Vitis vinifera cv. Pinot noir wine from a viticulture trial evaluating nitrogen fertilization, tilling and irrigation underwent descriptive analysis using a modified version of free-choice profiling. Wines were made from three field blocks of the twelve factorial combinations of Irrigation (Dry or Irrigated), Tillage (Tilled or not...
Resource Type:: Masters Thesis
Full Text:: Analysis of Two Consecutive Vintages of Oregon Pinot noir Wines as Effected by Irrigation, Tillage and

Malate and tartrate in Oregon grapes

Creator:: Norton, Kerry M.
Abstract:: In western Oregon the titratable acidity of grapes at harvest may in some seasons be higher than desirable for making quality wine, due to the retention of malic acid. The purposes of this study were 1) to investigate the effects of a vineyard cultural practice, cluster exposure at veraison by...
Resource Type:: Masters Thesis
Full Text:: Tartrate in Oregon Grapes Abstract Approved: David A. Heatherbell In western Oregon the titratable

How well do American viticultural areas correspond with the soil classes in Oregon's northern Willamette Valley? A question for the wine industry

Creator:: Wood, Douglas T.
Abstract:: The specific geography of individual wine growing regions has long been understood to be a significant factor in predicting both a region’s success in producing high quality grapes, and the resulting demand for wines produced from that region's fruit. In the American wine industry, American Viticultural Areas (AVAs) are increasingly...
Resource Type:: Masters Thesis
Full Text:: Oregon State University in partial fulfillment of the requirements for the degree of Master

Influence of cover crops on vine performance at two Willamette Valley vineyards

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:: for Western Oregon vineyards is scarce. The cool climate, low soil pH, limiting phosphorus, and

Effect of soil moisture manipulation and nitrogen application on leaf gas exchange, fruit composition, and carbohydrate storage of Pinot noir and Chardonnay grapevines in the Willamette Valley

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:: , cultivation, and nitrogen application to Pinot noir and Chardonnay grapevines in two commercial Oregon

Effect of crop level on yield components, fruit and wine composition, and wood carbohydrate reserves of Pinot noir grapes

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:: the northern Willamette Valley of Oregon. At Willakenzie Estate (site #1), research vines were

Impacts of crop level and vine vigor on vine balance and fruit composition in Oregon Pinot noir

Creator:: Vance, Amanda J.
Abstract:: Vineyard management strategies, including vineyard floor management and crop level management, can be used to influence vine vigor and fruit composition. Two studies were conducted to evaluate the impact of these practices on Pinot Noir in Oregon's Willamette Valley. Managing crop levels is common in cool climate vineyard production though...
Resource Type:: Masters Thesis
Full Text:: , especially for the cool climate viticulture region of western Oregon, which is known for producing high

Assessment of a Douglas-fir/sheep silvopastoral system in western Oregon

Creator:: Lamouri, Abdelwahed
Abstract:: This research was designed to evaluate the effect of sheep grazing on Douglas-fir water potential, growth, and understory forage production in a small-scale silvopastoral agroforestry system, at Peavy arboretum approximately 13 km North of Corvallis, Oregon. Treatments examined included all possible combinations of two sheep grazing management treatments (grazed vs....
Resource Type:: Masters Thesis
Full Text:: western Oregon AN ABSTRACT OF THE THESIS OF Abdelwahed_Lamouri for the degree of Master of Science in

Using stable isotopes and visual gut examination to determine the diet composition of Pterostichus melanarius (Coleoptera: Carabidae) in western Oregon vegetable row crops

Creator:: Moulton, Laurel A.
Abstract:: The omnivorous ground beetle, Pterostichus melanarius Illager (Coleoptera: Carabidae), is a ubiquitous inhabitant of western Oregon crop land. Because it is often the most abundant ground beetle, and attains densities that could lead to serious impacts on its prey sources, I sought to understand the overall diet composition, and specifically...
Resource Type:: Masters Thesis
Full Text:: : Carabidae) in Western Oregon Vegetable Row Crops Abstract approved

Natural enemies of native bumble bees (Hymenoptera: Apidae) in western Oregon

Creator:: Maxfield-Taylor, Sarah A.
Abstract:: Bumble bees (Hymenoptera: Apidae) are important native pollinators in wild and agricultural systems, and are one of the few groups of native bees commercially bred for use in the pollination of a range of crops. In recent years, declines in bumble bees have been reported globally. One factor implicated in...
Resource Type:: Masters Thesis
Full Text:: March 26, 2014. Title: Natural Enemies of Native Bumble Bees (Hymenoptera: Apidae) in Western Oregon

ScholarsArchive@OSU

Descriptive analysis of two consecutive vintages of Oregon Pinot noir wines as effected by irrigation, tillage and nitrogen supplementation in the vineyard

Malate and tartrate in Oregon grapes

How well do American viticultural areas correspond with the soil classes in Oregon's northern Willamette Valley? A question for the wine industry

Influence of cover crops on vine performance at two Willamette Valley vineyards

Effect of soil moisture manipulation and nitrogen application on leaf gas exchange, fruit composition, and carbohydrate storage of Pinot noir and Chardonnay grapevines in the Willamette Valley

Effect of crop level on yield components, fruit and wine composition, and wood carbohydrate reserves of Pinot noir grapes

Impacts of crop level and vine vigor on vine balance and fruit composition in Oregon Pinot noir

Assessment of a Douglas-fir/sheep silvopastoral system in western Oregon

Using stable isotopes and visual gut examination to determine the diet composition of Pterostichus melanarius (Coleoptera: Carabidae) in western Oregon vegetable row crops

Natural enemies of native bumble bees (Hymenoptera: Apidae) in western Oregon

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