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Manipulating Soil Moisture and Nitrogen Availability Part II. Fermentable Nitrogen Content and Must and Wine Composition

Creator:: Watson, Barney, Wall, Kate, Specht, Anna, Chen, Hsiao-Ping, and McDaniel, Mina
Abstract:: An approximation of the total yeast fermentable nitrogen content in juice or must is taken as the sum of the nitrogen available from ammonia and the alpha-amino acids present (Bisson 1991 ; Dukes and Butzke 1998 ; Jiranek, Langridge, and Henshcke 1995). Recommended levels of fermentable nitrogen needed by yeast...
Resource Type:: Technical Report
Full Text:: Manipulating soil moisture and nitrogen availability to improve fermentation behavior and wine quality . Part

Manipulating Soil Moisture and Nitrogen Availability Part II: Effects on Pinot noir Must and Wine Composition

Creator:: Watson, Barney, Godard, Mee, and Chen, Hsiao-Ping
Abstract:: The objectives of this study are to evaluate the effects of manipulating soil moisture and nitrogen availability using different approaches, including supplemental irrigation, nitrogen addition to the soil or to the leaves, and the elimination of competition for water and nutrients between the ground cover and the grapevines by tilling....
Resource Type:: Technical Report
Full Text:: . Manipulatin g Soil Moisture and Nitrogen Availability to Improve Fermentation Behavior and Wine Quality

Manipulating Soil Moisture and Nitrogen Availability to Improve Fermentation Behavior and Wine Quality. Part I: Vine Physiological Performance, Yield Components, Ripening Dynamics, and Fruit Composition

Creator:: Silva, Elisabete, Sampaio, Tiago, and Candolfi-Vasconcelos, M. Carmo
Abstract:: This study integrates various vineyard practices that may improve nitrogen availability to the vine, particularly during ripening . Different strategies aimed at improving fermentation behavior and wine quality are being evaluated. This study aims to optimize fruit quality and maximize the juice nitrogen fraction that can be used by yeast...
Resource Type:: Technical Report
Full Text:: : Manipulating soil moisture and nitrogen availability to improve fermentation behavior and wine quality - Part 1

Manipulating Soil Moisture and Nitrogen Availability to Improve Fermentation Behavior and Wine Quality. Part I: Vine Physiological Performance, Yield Components, Ripening Dynamics, and Fruit Composition

Creator:: Howe, Jessica and Candolfi-Vasconcelos, M. Carmo
Abstract:: This study integrates various vineyard practices that may improve nitrogen availability to the vine, particularly during ripening. Different strategies aimed at improving fermentation behavior and wine quality are being evaluated. This study aims to optimize fruit quality and maximize the juice nitrogen fraction that can be used by yeast during...
Resource Type:: Technical Report
Full Text:: Nitrogen Availability to Improve Fermentation Behavior and Wine Quality Part I: Vine Physiological

Manipulating Soil Moisture and Nitrogen Availability to Improve Fermentation Behavior and Wine Quality. Part III: Effects on Wine Color, Aroma and Flavor

Creator:: Hjorth, Heather and McDaniel, Mina
Abstract:: 1999 Pinot noir wines from the Oregon State University viticulture trials at Benton Lane vineyard were evaluated using free-choice profiling by a panel of 16 Oregon winemakers in January 2001. This work is the continuation of the project described in Manipulating Soil Moisture and Nitrogen Availability to Improve Fermentation Behavior...
Resource Type:: Technical Report
Full Text:: Manipulating Soil Moisture and Nitrogen Availability to Improve Fermentation Behavior and Wine Quality from the

Evaluation of the effects of nutrient supplementation on low nitrogen Chardonnay

Creator:: Specht, Anna Louise
Abstract:: Low nitrogen Chardonnay juice from an Oregon winery was fermented with a series of nutrient supplements, including diammonium phosphate (DAP), Fermaid K, Superfood, yeast extract, yeast hulls and thiamine. These treatments were evaluated for their contribution to the yeast assimilable nitrogen content (YANC) of the juice, which consists of the...
Resource Type:: Masters Thesis
Full Text:: changes are thought to improve the overall organoleptic properties and quality of the finished wine

Yeast Assimilable Nitrogen Content of Juice and Production of Volatile Sulfur Compounds in Oregon Wine

Creator:: Watson, Barney, Martin, Olga, Bakalinsky, Alan, Kennedy, James A., McDaniel, Mina, Qian, Michael, and Connelly, Anne
Abstract:: The objectives of this research project are to gain a better understanding of juice/must nutrition and the production of hydrogen sulfide and other 'off' sulfide odors in Oregon wines in relationship to both viticulture and winemaking practices. Specifically, the objectives of this research project are: · To analyze commercial juices/musts...
Resource Type:: Technical Report
Full Text:: . Manipulating Soil Moisture and Nitrogen Availability to Improve Fermentation Behavior and Wine Quality. Part II

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:: fruit at harvest have been evaluated. This study seeks to improve fermentation behavior and wine

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:: of manipulating soil moisture and nitrogen availability in a Pinot noir vineyard by using tilling

Determining the Impacts of Dormant Pruning Methods and Nitrogen Fertilization on Vitis vinifera 'Pinot noir' Bud Fruitfulness and Yield

Creator:: Ulmer, Miranda R.
Abstract:: The majority of grapes grown in Oregon are produced in Western Oregon’s Willamette Valley, where two-thirds of the acreage is planted to Pinot noir. The production of Pinot noir in the Willamette Valley comes at a high cost, and growers are seeking ways to increase profits while maintaining quality fruit...
Resource Type:: Masters Thesis
Full Text:: )57. Must nitrogen composition and content can contribute either positively or negatively to overall

ScholarsArchive@OSU

Manipulating Soil Moisture and Nitrogen Availability Part II. Fermentable Nitrogen Content and Must and Wine Composition

Manipulating Soil Moisture and Nitrogen Availability Part II: Effects on Pinot noir Must and Wine Composition

Manipulating Soil Moisture and Nitrogen Availability to Improve Fermentation Behavior and Wine Quality. Part I: Vine Physiological Performance, Yield Components, Ripening Dynamics, and Fruit Composition

Manipulating Soil Moisture and Nitrogen Availability to Improve Fermentation Behavior and Wine Quality. Part I: Vine Physiological Performance, Yield Components, Ripening Dynamics, and Fruit Composition

Manipulating Soil Moisture and Nitrogen Availability to Improve Fermentation Behavior and Wine Quality. Part III: Effects on Wine Color, Aroma and Flavor

Evaluation of the effects of nutrient supplementation on low nitrogen Chardonnay

Yeast Assimilable Nitrogen Content of Juice and Production of Volatile Sulfur Compounds in Oregon Wine

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

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

Determining the Impacts of Dormant Pruning Methods and Nitrogen Fertilization on Vitis vinifera 'Pinot noir' Bud Fruitfulness and Yield

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