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The following labs have previously indicated their interest and availability for smoke analysis of grapes and/or wine samples. Please note that if they are located out of the US, contact them prior to determine if there are any import or customs issues based on your vineyard location. Most labs will…
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Published in Wines & Vines By Yun Zhang and Melissa Hansen March 2018 Essential in arid and semiarid grapegrowing regions, irrigation is a management tool used to manipulate yield and enhance the quality of wine grapes.4 However, longstanding myths of the wine industry still have strong influence on irrigation practices—to…
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Published in Good Fruit GrowerBy Ross Courtney May 19, 2020 Washington State University virologist Naidu Rayapati has been screening vineyard samples for viruses in his laboratory for about 15 years. He wants growers to keep those samples coming. As grapevine red blotch and grapevine leafroll become more prevalent, as…
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Published in Good Fruit GrowerBy Ross Courtney May 22, 2019 No matter the chore, no matter the state, whether large or small. It nearly always pays off to mechanize vineyards these days. That’s the conclusion from Clark Seavert, an Oregon State University agricultural economist, who recently crunched the numbers…
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Published in Practical Winery & VineyardBy Melissa Hansen & Joelle Martinez October 2020 Winegrape water management has witnessed many breakthroughs during the last two decades, from deficit irrigation optimization to vine and berry water relation studies. Most recently, scientists have looked to optimize irrigation management for red and white varieties.
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Published in Good Fruit GrowerBy Melissa Hansen, Washington State Wine Commission February 1, 2020 Research is a bright spot in the Washington wine industry. The Washington State Wine Commission commits roughly 25 percent of its budget to viticulture and enology research. The program is driven and guided by the industry,…
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Published in Good Fruit GrowerBy Melissa Hansen, Washington State Wine Commission December 14, 2016 Technology exists for an almost completely mechanized vineyard, but there’s often hesitation by growers and winemakers concerned about the potential impact on wine quality. The Washington State Wine Commission is supporting new research to address…
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Project Title: Qualitative Survey of Washington State Vineyards for Potential Insect Vectors of Grapevine Red Blotch Disease Project Duration 2017-2019 Principal Investigator(s): Doug WalshOrganization: WSU Entomology / IARECAddress: 24106 North Bunn Rd, Prosser, WA 99350Telephone: 509-786-9287Email: dwalsh@wsu.edu CO-PI(s): Jonathan O’HearnOrganization: WSU EntomologyAddress: 24106 North Bunn Rd, Prosser, WA 99350 CO-PI(s):…
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Date: December 15, 2014 Project Title: Sampling, Identification & Control of Leafhopper Pests in Washington Vineyards Principal Investigator(s): Douglas Walsh, PhD, Professor of EntomologyOrganization: WSU ProsserEmail: dwalsh@wsu.edu; Phone: 509-786-9287 Principal Investigator(s): Laura Lavine, PhD, Professor of EntomologyOrganization: WSU PullmanEmail: lavine@wsu.edu; Phone: 309-335-7907 Collaborator(s): Holly Ferguson, PhD, Extension IPM Coordinator Specialist,…
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Project Title: Time‑to‑event analysis to evaluate dormancy status of single‑bud cuttings: an example for grapevines Principal Investigator(s): Hector Camargo Alvarez, Melba Salazar‑Gutiérrez, Diana Zapata, Markus Keller, and Gerrit HoogenboomCorrespondence: h.camargoalvarez@wsu.edu Abstract Background: The reduced growth of plants during the winter causes a lack in the perceptibility of the phenologicalevents making…
