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  • Viticulture & Enology Technical Newsletter : Fall 2017

    Creator:
    Oregon Wine Research Institute
    Resource Type:
    Other
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    when this process occurs. This naturally leads to the question “when is the best time to conduct the

  • 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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    populations and feeding from the wooly bud stage through bud-break. Despite these best management efforts

  • Viticulture & Enology Technical Newsletter : Summer 2013

    Creator:
    Oregon Wine Research Institute
    Abstract:
    Our current issue of the OWRI Technical Newsletter is packed with Extension information, research results, and program updates. Paul Schreiner, Research Plant Pathologist, USDA-ARS, opens the newsletter with an article on his latest research assessing vine nutrients requirements in Pinot noir. Laurent Deluc, Associate Professor, OSU, reports on his research...
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     vine responses to nitrogen (N), phosphorus (P) and  potassium (K) supply. In this system, the root

  • 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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     vola le phenols. The precursor  compounds, p‐coumaric and ferulic acid, are naturally present in grapes

  • Viticulture & Enology Technical Newsletter : Spring 2016

    Creator:
    Oregon Wine Research Institute
    Abstract:
    Our latest edition of the OWRI Technical Newsletter contains helpful Extension information, updates and research discoveries. Dr. Jay Pscheidt, Professor and Extension Plant Pathologist, OSU, opens the newsletter with an article about the potential effects of climate change on powdery mildew; a timely topic for the 2016 growing season. Dr....
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    .  h p://pnwhandbooks.org/plantdisease/  Pscheidt, J.W. and J.P. Bassine e. 2009. Fungicide efficacy

  • 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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    in Oregon, and there is still debate on which tissue to use to best monitor vine nutrient status

  • Enrichment Isolation of Brettanomyces Yeasts to Probe the Relationship Between Vineyard and Winery Populations

    Creator:
    Pigao, Kevin E.
    Abstract:
    The budding yeast Brettanomyces bruxellensis has the potential to spoil fermented beverages and cause financial losses, but also contribute positively to certain products such as Lambic beer. It is most notorious for causing “Brett” spoilage of wine, which is characterized by undesirable aromas such as “bandaid” and “barnyard”, therefore most...
    Resource Type:
    Masters Thesis
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    p-coumaric acid to the 4-vinyl form via hydroxycinnamate decarboxylase and then to the 4-ethyl

  • 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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    diacetyl. It is a by-product of citric acid metabolism and is best described as having a “movie popcorn

  • 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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    the region and climate. Many may wonder if there is a best time to prune during the dormant period

  • 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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    determined through regression analyses, and equa- tions, R2 and p-values are shown for each year. The