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A long-term wine grape rootstock trial has been conducted at the Oregon State University (OSU) Woodhall Vineyard, located in the south Willamette Valley. The trial has been evaluated since 2019 by…
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This webinar is presented by Dr. Patty Skinkis, Professor and Viticulture Extension Specialist at Oregon State University, who summarizes her research exploring vineyard soil moisture and rootstock…
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This webinar is presented by Dr. Nathalie Aoun, a postdoctoral researcher in the Stergiopoulos lab at UC Davis, who has conducted research studying molecular mechanisms for powdery mildew resistance…
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This webinar summarizes several Grape Red Blotch Virus research projects conducted with Pinot noir in Oregon's Willamette Valley. Dr. Patty Skinkis is Professor and Viticulture Extension…
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This webinar is presented by Dr. Alexander (Alec) Levin, who has conducted research on Grape Red Blotch Disease, vine water relations, and applied vineyard irrigation research since 2016.
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This video features Dr. Patty Skinkis, Professor and Viticulture Extension Specialist, Oregon State University, describing how to scout for grapevine trunk disease in a cordon-trained, spur pruned…
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This video shows how to renew a cordon on a mature grapevine. The video features Dr. Patty Skinkis, Professor and Viticulture Extension Specialist, Oregon State University, and was produced by Annie…
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This seminar is presented by OSU economist Dr. Clark Seavert, who took
the initial steps to evaluate the economic potential of
mechanizing vineyard tasks for the Northwest wine
industry.
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Grape powdery mildew, caused by Erysiphe necator, is a polycyclic disease that causes economic losses related to the costs of management and damage to grapes. The epidemic begins with the release of…
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Each growing season, a vineyard manager makes a set of interconnected decisions (e.g., watering schedule, pruning, pesticide application, fertilization) that guide their crops throughout the year.…
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Powdery mildew remains a concern for grape growers and can be difficult to manage. Populations of Erysiphe necator cleistothecia can burst open and release ascospores over an extended period of time…
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An annual compendium of OWRI research, outreach and Extension activities.
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The Statewide Crop Load Project was established in 2012 as a large grower-collaborative study to determine the long-term impacts of yield management on fruit composition, wine quality, and vine…
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On Wednesday, August 26, Dr. Simone D. Castellarin, Assistant Professor, Wine Research Centre, The University of British Columbia, presented a seminar on his research using molecular viticulture to…
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Dr. Schreiner summarized his findings from research trials designed to better define nitrogen, phosphorus, and potassium requirements for Pinot noir, and how varying these nutrients alters vine…
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In a grape cluster, individual berries enter the ripening phase at different times, leading to the uneven ripening pattern observed during véraison. Seeds are known to influence the growth of…
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Video from a multimedia viticulture module by Patty Skinkis. Full module located at
http://extension.oregonstate.edu/eesc/pachyderm-showcase
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