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Associate Professor, Viticulture Extension Specialist
Viticulture Extension, Research and Teaching
Department of Horticulture
Oregon Wine Research Institute
OSU - Main Campus
4017 Ag and Life Sciences BldgCorvallis, OR 97331-7304
- Applied viticulture research in canopy management, vine balance, sustainable production practices
- Vine physiology as it relates to vine balance and nutrition
- Methods for effective industry collaboration in research and Extension
- Innovative teaching, outreach and extension methods
- Hort 453: Grapevine Growth & Physiology (2008-2012)
- Hort 454: Principles & Practices of Vineyard Production (2008 - present)
- Online Extension Viticulture Courses (2008-Present)
- Guest lecturer: Hort 112, Hort 511, Hort 452/552
Core faculty member of Oregon Wine Research Institute (OWRI) at Oregon State University
Chair, Willamette Valley Viticulture Research & Technical Group, 2008-present
Chair, Oregon Viticulture Working Group, 2007-present
Member, Oregon Wine Industry Symposium organizing committee, 2007-present
Chair, OSU Viticulture & Enology Research Colloquium planning committee, 2010-2012
Director, Board of Directors of American Society for Enology and Viticulture, 2009-2012
Member, National Viticulture & Enology Extension Leadership Working Group 2007-present
Member, technical committee, Low-Input Viticulture & Enology (LIVE) certification program, 2008-present
Member, curriculum committee, Horticulture Dept OSU, 2007-present
Member, search committees for Oregon Wine Research Institute faculty 2007-2013
Member, planning committee for Oregon Wine Research Institute Grape Day 2012, 2013
Honors and Awards
Oregon State University Outreach & Engagement Award - 2012
Outstanding Service Award, Oregon Wine Board - 2011
Savery Young Faculty Award, Oregon State University College of Agricultural Sciences – 2010
Search for Excellence Award, Oregon State University Extension Association – 2009
Shining Star Award, Ronald E. McNair Post-Baccalaureate Achievement Program – 2008
B.S. Horticulture, University of Wisconsin – River Falls 2002
Ph.D. Horticulture (Viticulture), Purdue University 2006
2013 - Present: Associate Professor & Viticulture Extension Specialist, Oregon State University
2007 - 2012: Assistant Professor & Viticulture Extension Specialist, Oregon State University
2003 – 2006: Graduate Research Assistant, Department of Horticulture, Purdue University
American Society for Horticultural Science (ASHS)
International Society for Horticultural Science (ISHS)
American Society for Enology and Viticulture (ASEV)
American Wine Society (AWS)
Oregon State University Extension Association (OSUEA)
I accept graduate students for Horticulture
Outreach and Extension
Skinkis, P. J. Pscheidt, A. Dreves, V. Walton, E. Peachey, J. Sanchez, I. Zasada, and B. Martin. 2013 Pest Management Guide for Wine Grapes in Oregon. Oregon State University Extension Service. EM8413E. (Updated annually since 2008)
Skinkis, P.A. and A.J. Vance. 2013. Understanding Vine Balance: An important concept in vineyard management. Oregon State University Extension Service. EM 9068.
Vance, A.J., A.L. Reeve, and P. A. Skinkis. 2013. The Role of Canopy Management in Vine Balance. Oregon State University Extension Service. EM 9071.
Skinkis, P.A. and R.P. Schreiner. 2013. How to Measure Grapevine Leaf Area. Oregon State University Extension Service. EM 9070.
Skinkis, P.A. 2013. How to Measure Dormant Pruning Weight of Grapevines. Oregon State University Extension Service. EM 9069.
Skinkis, P.A. and A.L. Reeve. 2013. Lateral Crop Production: Vine rebellion against imbalance. Practical Winery & Vineyard Journal, August 2013: 81-84.
Field Guide for Integrated Pest Management in Pacific Northwest Vineyards. Pacific Northwest Extension Publication: Washington State University, Oregon State University, University of Idaho. (Skinkis, P.A. contributing author, 2013).
Moyer, M., C. Kaiser, J. Davenport, and P. Skinkis. 2012. Considerations and resources for vineyard establishment in the inland Pacific Northwest. Pacific Northwest Extension Publication, PNW634.
Skinkis, P.A., and R.P. Schreiner. 2011. Grapevine Nutrition. Oregon State University Extension Service, EM 9024.
Skinkis, P.A. 2010. Herbicides and Grapevines: Understanding the Risks. Online educational module and diagnostic tool. Oregon State University Extension Service.
James, D., P. Skinkis, Walton, V. “Grape Pests” In 2013 Pacific Northwest Insect Pest Management Handbook. Pacific Northwest Extension Publication. (updated annually)
Walton, V., A. Dreves, P. Skinkis, C. Kaiser, M. Buchanan, R. Hilton, R.R. Martin, S. Castagnoli, S. Renquist. Oct 2009. Grapevine Leafroll Virus and Mealybug Prevention and Management in Oregon Vineyards. Oregon State University Extension Service EM8990 (English) and EM8990S (Spanish).
Skinkis, P.A., A.J. Dreves, V.M. Walton and R.R. Martin. July 2009. Field Monitoring for Grapevine Leafroll Virus and Mealybug in Pacific Northwest Vineyards. Oregon State University Extension Service EM8985 (English) and EM8985S (Spanish).
Walton, V., P. Skinkis, A. Dreves, C. Kaiser, S. Renquist, S. Castagnoli, R. Hilton. 2009. Grapevine Growth Distortions: A Guide to Identifying Symptoms. OSU Extension Service EM 8975-E.
Skinkis, P., V. Walton, C. Kaiser. 2009. Grape Phylloxera: Biology and Management in the Pacific Northwest. OSU Extension Service EC1463.
Julian, J.W., C.F. Seavert, C. Kaiser, P.A. Skinkis. 2009. Vineyard Economics: Establishing and Producing Cabernet Sauvignon Wine Grapes in Eastern Oregon. OSU Extension service EM8974-E.
Skinkis, P. 2009. Establishing a Vineyard in Oregon: A Quick-start Resource Guide. OSU Extension Service EM8973-E.
J.W. Julian, C.F. Seavert, P.A. Skinkis, P. VanBuskirk, S. Castagnoli. 2008. Vineyard Economics: Establishing and Producing Pinot Noir Wine Grapes in Western Oregon. OSU Extension Service EM8969-E.
Kaiser, J.W. Pscheidt, V.Walton and P. Skinkis. 2008. How to Reduce the Risk of Pesticide Resistance in Winegrape Pests in Oregon. OSU Extension Service EM8968.
Kaiser, C., P. Skinkis, M. Olmstead. 2008. Protecting Grapevines from Winter Injury. OSU Extension Service. PNW 603-E.
Walton, V., A. Dreves, P. Skinkis. 2007. Short Shoot Syndrome of Grapes in the Pacific Northwest. OSU Extension Service EM8944-E.
Author and editor of the OWRI Viticulture & Enology Technical Newsletter, available quarterly, and OSU Viticulture Notes, both available online here.
Website - Online Publications
Co-editor and contributor of the Oregon Wine Research Institute Website (http://owri.oregonstate.edu).
Lee, J. and P.A. Skinkis. 2013. Oregon 'Pinot noir' grape anthocyanin enhancement by early leaf removal. Food Chem. 139: 893-901.
Schreiner, R.P. , J. Lee, and P.A. Skinkis. 2013. N, P, and K supply to Pinot noir grapevines. I. Impact on vine nutrient status, growth, physiology, and yield. Am. J. Enol. Vitic. 64: 26-38.
Gouthu, S., P.A. Skinkis, J. Morre, C.S. Maier, L.G. Deluc. 2012. Berry nitrogen status altered by cover cropping: Effects on berry hormone dynamics, growth, and amino acid composition of Pinot noir. Food Chem. 135: 1-8.
Fredrikson, L.J., P.A. Skinkis, E. Peachey. 2011. Effect of cover crop management techniques on weed control in establishing a vineyard. HortTech. 21:208-216.
Walton V. M., Dreves A. J., Coop L.B., Jones G.B, P.A. Skinkis. 2010. Developmental Parameters and Seasonal Phenology of Calepitrimerus vitis (Acari: Eriophyidae) in Wine Grapes of Western Oregon. Environ. Entomol. 39 (6). DOI: 10.1603/ENO09197.
Skinkis, P.A., B.P. Bordelon, and E. Butz. 2010.Effects of sunlight exposure on berry and wine monoterpenes and sensory characteristics of Traminette . Am. J. Enol. Vitic. 61:2. 147-156.
Skinkis, P.A., B.P. Bordelon, K.V. Wood. 2008. The Identification and Quantitative Analysis of Monoterpenes in Traminette, Gewürztraminer and Riesling Grapes. Am. J. Enol. Vitic. 59: 440–445.
Bordelon, B.P, P.A. Skinkis, P.H. Howard. 2008. Impact of Training System on Vine Performance and Fruit Composition of Traminette. Am. J. Enol. Vitic. 59: 39-46.
Walton, V., A.J. Dreves, D.H. Gent, R.R. Martin, U. Chambers, P.A. Skinkis. 2007. Relationship Between Rust Mites, Calepitrimerus vitis (Acari: Eriophyidae), Bud Mites, Colomerus vitis (Acari: Eriophyidae) and Short Shoot Syndrome in Oregon Vineyards. Internat. J. Acarol. 33: 1-12.
Awards and Honors
Search for Excellence Award, Oregon State University Extension Association, 2009
Savery Young Faculty Award, OSU College of Agriculture Science, 2010
Oregon Outstanding Service Award, Oregon Wine Board, 2011
Outreach & Engagement Award, Oregon State University, 2012