research
Final Report June 2023 Principal Investigator: James Harbertson, Washington State University, Richland Telephone: 509-372-7506 Cooperators: Tom Collins, Washington State University, Richland; Markus Keller, Washington State University, Prosser Summary: This research sought to investigate claims by wineries that Cabernet Sauvignon wines made from fruit that was picked after an early frost…
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Final Report: June 2023 Principal Investigator: Jim Harbertson, Washington State University, Richland Telephone: 509-372-7506 Cooperators: Katie Nelson, Chateau Ste. Michelle Wine Estates Summary: Wine acidity has been identified as one of the principal chemical and sensory wine attributes to be impacted by climate change. Understanding how to alter our wines…
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Final Report: 2020-2021 Funding Cycle Principal Investigator: Doug Walsh, Professor of EntomologyWashington State University Irrigated Agriculture Research and Extension Center24106 N. Bunn Rd, Prosser, WA 99350dwalsh@wsu.eduTel. 509.786.9287 Summary: Objective 1. Determine how increasing concentrations of imidacloprid in leaf tissues impacts Tetranychus urticae and Eotetranychus willamettei behaviors (lifespan and fecundity). We…
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Final Report: 2017-2021 Funding Cycle Principal Investigator: Markus KellerWashington State University, Irrigated Agriculture Research and Extension Center24106 N. Bunn Rd., Prosser, WA 99350, (509) 786 9263, mkeller@wsu.eduCooperator: James Harbertson, WSU Wine Science Center, Richland WA 99352 Vineyard management for optimum wine quality and low labor input is a top industry…
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Final Report: June 30, 2021 Principal Investigator: Tim DonahueOrganization: Walla Walla CollegeEmail: winemakertim@gmail.com Summary: Flotation is a technique of using compressed gas combined with fining agents (bentonite, gelatin) to clarify white wine juice. The predominant reason for using flotation is to clarify juice quickly (2-3 hours vs. 1-2 days) and…
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Final Report: June 30, 2021 Principal Investigator: William BeightolOrganization: Collab Wine CompanyTelephone: 509.832.4191Email: will@collabwine.com Co-PI: Ben UtterOrganization: Bloomfield RoboticsTelephone: 781.296.9929Email: ben@bloomfield.ai Cooperators: Grower cooperators: Mercer Ranches, Phinny Hill Vineyards, Ste. Michelle Wine Estates, Winemakers LLC, Coyote Canyon Vineyards, Shaw Vineyard, McKinnly Springs Vineyard Project Cooperator: Dr. Wade Wolfe Objectives: To…
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Final Report: 2021- 2022 David G. James, Department of Entomology, Irrigated Agriculture Research and Extension Center, Washington State University, Prosser, WA 99350 Tel: 509 786 9280. Email: david_james@wsu-edu Summary: Leafminer damage on wine grapes was first reported from vineyards in the Tri-Cities area in September 2020. We determined that the…
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About Us The Wine Research Advisory Committee, established in 1981 through legislation, is the scientific review arm for the Washington wine industry and responsible for making research funding recommendations. WRAC is a subcommittee of the Washington State Wine Commission. Mission Statement The mission of the Wine Research Advisory Committee, on…
