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  • Vineyard Notes : September 2010

    Creator:
    Oregon State University. Extension Service
    Abstract:
    Welcome to the September 2010 edition of OSU Vineyard Notes. We take this opportunity to make you aware of pest-related problems in the vineyard. This 2010 season has been a challenge for many, and the challenges do not stop here. Jay Pscheidt, OSU Extension Plant Pathology Specialist, reports on new...
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    Pathology Specialist I am sure you have heard the mantra over the years with regard to pesticide resistance

  • OSU Wine and Grape Research and Extension Newsletter : February 2010

    Creator:
    Oregon State University. Extension Service
    Abstract:
    As the dormant season progresses towards the beginning of the 2010 vineyard season, we prepared this newsletter to focus on viticulture topics in disease management and cover cropping. With pruning taking place across vineyards in Oregon, Dr. Jay Pscheidt reminds vineyard managers to be on alert for canker diseases. Also,...
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    pest management sections of this newsletter, Dr. Amy Dreves provides an updated report on the Spotted

  • Viticulture & Enology Technical Newsletter : Winter 2021

    Creator:
    Oregon Wine Research Institute
    Abstract:
    This edition contains research updates and a comprehensive list of publications summarizing research conducted by faculty of the Oregon Wine Research Institute at Oregon State University. Dr. Elizabeth Tomasino, OSU associate professor, and Quynh Phan, OSU doctoral candidate, open the newsletter with an article on Pinot noir wine lipid composition....
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    written to inform you of this insect and provide details on where to report findings. We also provide

  • Viticulture & Enology Technical Newsletter : Spring 202

    Creator:
    Oregon Wine Research Institute
    Abstract:
    This edition contains research updates and a comprehensive list of publications summarizing research conducted by faculty of the Oregon Wine Research Institute at Oregon State University. Drs. Alexander Levin and Achala KC, both assistant professors at OSU-Southern Oregon Research and Extension Center (SOREC), along with Cody Copp, graduate research assistant,...
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    , supplemental fertilizer had no effect on vine nutrient status, and vines in all plots were in healthy

  • Viticulture & Enology Technical Newsletter : November 2012

    Creator:
    Oregon Wine Research Institute
    Abstract:
    This issue is packed with new information from various research trials conducted here in Oregon, whether it is from vineyard plots, the wine lab, or the growth chamber, results are likely to have impact on vineyard and winery production here in Oregon. James Osborne, Enology Extension Specialist, opens this month’s...
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    making SO 2 additions to the must prior to fermentation, you should generally add no more than 40 mg

  • OSU Wine and Grape Research and Extension Newsletter : July 2007

    Creator:
    Oregon State University. Extension Service
    Abstract:
    The growing season is in full swing. As growers are busy doing canopy management in the vineyards and wine makers are preparing for the upcoming vintage, OSU faculty are working hard on their field research trials and extension programs to advance viticulture and enology research and education. We’ve been busy...
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    Report Regional Viticulture: Umpqua Monitoring Grapevine Nutrition Getting the Feel for Wine Texture

  • Viticulture & Enology Technical Newsletter : Fall 2017

    Creator:
    Oregon Wine Research Institute
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    report that MLF in the presence of sugars does not necessarily lead to an increase in VA if the AF

  • OSU Wine and Grape Research and Extension Newsletter : October 2009

    Creator:
    Oregon State University. Extension Service
    Abstract:
    As the 2009 growing season comes to a close, we prepared this newsletter to provide information on several viticulture and enology issues important to the Oregon winegrape industry. We begin with the most immediate topic of this season – wine production with Dr. James Osborne and importance of wine superstars...
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    Osborne, Extension Enologist, OSU No offense to winemakers, but the most important workers in the winery

  • Viticulture & Enology Technical Newsletter : October 2011

    Creator:
    Oregon Wine Research Institute
    Abstract:
    This newsletter comes as many of you anxiously await this year’s harvest. We have taken this opportunity to focus on berry development in the viticulture section. Laurent Deluc, Grape Researcher, writes about his research on berry ripening synchronization, and Viticulture Extension Specialist, Patty Skinkis, provides information on berry development and...
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    grape and wine quality. A recent report demonstrated that variability in berry maturity within a

  • Viticulture & Enology Technical Newsletter : Summer 2018

    Creator:
    Oregon Wine Research Institute
    Abstract:
    Our latest edition of the OWRI Technical Newsletter contains research updates and a comprehensive list of publications summarizing research conducted by faculty of the Oregon Wine Research Institute at Oregon State University. Dr. R. Paul Schreiner, USDA-ARS Research Plant Physiologist, opens the newsletter with a research update on Pinot noir...
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    than leaf blades for di- agnosing N requirements (see What Tissue Should I Test? below). Results

  • Viticulture & Enology Technical Newsletter : Spring 2019

    Creator:
    Oregon Wine Research Institute
    Abstract:
    This edition contains research updates and a comprehensive list of publications summarizing research conducted by faculty of the Oregon Wine Research Institute at Oregon State University. Dr. Patty Skinkis, OSU Viticulture Extension Specialist and Professor, opens the newsletter with an article on canopy yield management. Dr. James Osborne, OSU Enology...
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    ). However, other studies show minor to no impact of cluster thinning on basic fruit ripeness or

  • OSU Wine and Grape Research and Extension Newsletter : May 2010

    Creator:
    Oregon State University. Extension Service
    Abstract:
    As the season progresses and all anticipate bloom, we hope you take the opportunity to read this issue. It is full of useful information on some pests of concern—both old and new—in the vineyard and winery: powdery mildew, grape rust mites, Spotted Wing Drosophila and Brettanomyces. We include other useful...
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    “bronzing.” ˜ere is no critical threshold identified for mite presence per leaf in summer scouting

  • OSU Wine and Grape Research and Extension Newsletter : October 2008

    Creator:
    Oregon State University. Extension Service
    Abstract:
    As the 2008 growing season comes to a close, we prepared this newsletter to provide information on several research projects conducted by OSU faculty and students, address frost concerns from this fall, and showcase the OSU Viticulture & Enology undergraduate program alumni. Dr. Marcus Buchanan has a synopsis of an...
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    tissues are killed by temperatures at or below 28°F. Once these cells are damaged or killed, they no

  • Viticulture & Enology Technical Newsletter : Fall 2016

    Creator:
    Oregon Wine Research Institute
    Abstract:
    Our latest edition of the OWRI Technical Newsletter contains research updates, the latest Extension resources, and a comprehensive list of publications outlining research conducted by members of the Oregon Wine Research Institute at Oregon State University. Dr. Patty Skinkis, Viticulture Extension Specialist & Associate Professor, OSU opens the newsletter with...
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    , most of which are available online. Cheers, The OWRI Team Statewide Crop Load Project Report

  • OSU Wine and Grape Research and Extension Newsletter : April 2009

    Creator:
    Oregon State University. Extension Service
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    generally is spread by aphids, yet there has been no aphid transfer to vines observed. Recent observations

  • Viticulture & Enology Technical Newsletter : Fall 2018

    Creator:
    Oregon Wine Research Institute
    Abstract:
    This edition contains research updates and a comprehensive list of publications summarizing research conducted by faculty of the Oregon Wine Research Institute at Oregon State University. Dr. Elizabeth Tomasino, OSU Associate Professor, opens the newsletter with an article on the influence of two compounds on Pinot noir aroma. Drs. Laurent...
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    vineyard conditions contributes to the typicity of Oregon Pinot noir wines. I have heard growers and

  • Viticulture & Enology Technical Newsletter : Spring 2013

    Creator:
    Oregon Wine Research Institute
    Abstract:
    Welcome to the spring edition of the OWRI Technical Newsletter. This edition showcases several articles and resources that will help you to prepare for the 2013 season. Dr. James Osborne, OSU Enology Extension Specialist, opens this edition with a timely article about Brettanomyces and winemaking. You will also find an...
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    ft. The vines were dry-farmed and no fertilizer was applied except foliar boron for the duration of

  • Vineyard Notes : December 2009

    Creator:
    Oregon State University. Extension Service
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    below. Bud Shoot Cut here 4 Figure 3. A live compound bud (A) shows no damage. Notice

  • OSU Wine and Grape Research and Extension Newsletter : August 2010

    Creator:
    Oregon State University. Extension Service
    Abstract:
    In this August issue, we focus on the grape berry. Articles within cover topics of cluster thinning, berry ripening, harvest., and various pests that can damage berries. Also, we provide information about how to conduct vine nutrient sampling at véraison to be sure to keep up with your nutrient program....
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    associated with crop thinning. Berry size compensation is of concern only when the berries are in phase I of

  • OSU Wine and Grape Research and Extension Newsletter : July 2009

    Creator:
    Oregon State University. Extension Service
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    part becomes sick or infected, there is no way to make it healthy. Deformed leaves, blotches on the

  • Viticulture & Enology Technical Newsletter : July 2011

    Creator:
    Oregon Wine Research Institute
    Abstract:
    This newsletter comes at the advent of bloom and fruit set in this 2011 season. To provide information on timely topics, Patty Skinkis provides an article on early season leaf removal and how it may help reduce disease infection. Inga Zasada provides information on plant parasitic nematodes to help you...
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    . Patty Skinkis, Viticulture Extension Specialist, OSU During the past few weeks, I received numerous

  • OSU Wine and Grape Research and Extension Newsletter : January 2009

    Creator:
    Oregon State University. Extension Service
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    indicate no reduction in fruit set or changes in berry size and decreased infestation of botrytis and

  • Viticulture & Enology Technical Newsletter : March 2011

    Creator:
    Oregon Wine Research Institute
    Abstract:
    Welcome to the March 2011 Viticulture & Enology Newsletter! We have a number of great articles from members of our team to keep you informed. Marcus Buchanan provides an update on the mealybug trapping efforts that have been in place in southern Oregon’s winegrape regions since 2009. Jay Pscheidt writes...
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    . During the following season of 2009, there were no grape mealybugs trapped in the Applegate Valley and

  • Vineyard Notes : March 2010

    Creator:
    Oregon State University. Extension Service
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    & Enology Newsletter. In that article I wrote, “Currently, there are no products labeled for canker

  • Vineyard Notes : September 2011

    Creator:
    Oregon State University. Extension Service
    Abstract:
    This issue of Vineyard Notes covers four timely topics to be considered in your véraison vineyard management plans: + Bird control + Powdery mildew management + Late season Botrytis prevention + Tissue nutrient sampling
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    Plant Pathologist, OSU No one really wants to "rescue" this fungus. Rather, I suspect many of you are

  • Viticulture & Enology Technical Newsletter : Fall 2019

    Creator:
    Oregon Wine Research Institute
    Abstract:
    This edition contains research updates and a comprehensive list of publications summarizing research conducted by faculty of the Oregon Wine Research Institute at Oregon State University. Dr. Bob Martin, Research Plant Pathologist (Virology), USDA, opens the newsletter with a research update on grapevine red blotch disease that provides growers with...
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    positive (tubes 7 & 8 in Figure 1). I recommend composite 3 OREGON WINE RESEARCH INSTITUTE

  • OSU Wine and Grape Research and Extension Newsletter : August 2008

    Creator:
    Oregon State University. Extension Service
    Abstract:
    In this issue, our group of winegrape researchers throughout the state has comprised a summary of the statewide incidence and damage caused by Short Shoot Syndrome and mites over the past few years. Be sure to check this out as it provides some interesting information! Also, a vineyard update has...
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    events and receive an invitation to participate in the first webinar. This is the beginning of what I

  • OSU Wine and Grape Research and Extension Newsletter : December 2010

    Creator:
    Oregon State University. Extension Service
    Abstract:
    We are happy to present a viticulture-based newsletter this quarter, focusing on some of the challenges that were apparent in vineyard management during 2010. While the Botrytis challenges are fresh in the minds of vineyard managers, Walt Mahaffee provides a summary of a replicated field trial using Botrytis sprays. Vaughn...
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    Pathologist, USDA-ARS One question I often hear managers ask is “why am I wasting money treating for

  • Viticulture & Enology Technical Newsletter : Fall 2014

    Creator:
    Oregon Wine Research Institute
    Abstract:
    This issue is packed with information. James Osborne, Enology Extension Specialist, OSU, opens the newsletter with an article about managing Brettanomyces and spoilage in the winery. Patty Skinkis, Viticulture  Extension Specialist, OSU, provides an article on the challenge of yield estimation in vineyards. Jay Pscheidt, Extension Plant Pathologist, OSU, provides a timely article on scouting for crown...
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     break did occur.    I also no ced that some Oregon and Washington vineyards  did not have any signs or

  • OSU Wine and Grape Research and Extension Newsletter : January 2008

    Creator:
    Oregon State University. Extension Service
    Abstract:
    Winter provides many opportunities for viticulture and enology programming across Oregon, the Pacific Northwest and beyond. The vines, although dormant, need pruning and the winery operations continue. This month, we’ve decided to focus on important considerations in both the vineyard and winery. An article on pruning operations by Dr. Patty...
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    in the Willamette Valley recently stated, “I wonder why I need to be taking these measurements in