Alexander Levin

SOREC Director and Viticulturist

Hablo español (I speak Spanish)

Говорит по русски (speaks Russian)

541-772-5165
[email protected]

Expertise: Wine grapes , Irrigation

Locations: Southern Oregon Research and Extension Center

Links: Faculty Page , Southern Oregon Research and Extension Center , Department of Horticulture , Oregon Wine Research Institute , Instagram , Twitter , Facebook

Biography

Alexander (Alec) Levin is the Viticulturist at the Southern Oregon Research and Extension Center (SOREC) and Associate Professor in the Department of Horticulture at Oregon State University. He is also a core faculty member of the Oregon Wine Research Institute, and serves as the chair of the Grape Genetics, Physiology and Management working group in the International Society for Horticultural Science.

Dr. Levin completed his Ph.D. in Horticulture and Agronomy at UC-Davis investigating physiological differences in drought responses among several red wine grape cultivars. Since 2016, he has led the Southern Oregon viticulture research and extension program at SOREC, located in the heart of the Rogue Valley near Medford, OR. He conducts applied viticultural research focused in the fields of grapevine water relations and ecophysiology, and vineyard irrigation management. His research goals are to develop and optimize sustainable vineyard management practices tailored to production goals.

Content by Alexander Levin

Field Monitoring for Leafroll Virus and Mealybug in Pacific Northwest Vineyards

This publication focuses on in-field identification of signs and symptoms associated with grapevine leafroll-associated viruses and the insects that transmit them.

Kyoo R. Park, S. Mermer, Gordon B. Jones, Govinda Shrestha, Alexander Levin, Rick Hilton, N.H. Mercer, K.M. Daane, Linda Brewer, Patricia A. Skinkis, Vaughn Walton | Apr 2024 | Extension Catalog publication Peer reviewed (Orange level)

Trapping and Identifying Mealybugs in Oregon Vineyards

Vineyard managers will learn how and why to trap vine mealybugs in vineyards.

Kyoo Rok Park, Serhan Mermer, Gordon B. Jones, Govinda Shrestha, Alexander Levin, Rick Hilton, Nathan H. Mercer, Kent M. Daane, Linda Brewer, Patricia A. Skinkis, Vaughn Walton | Feb 2024 | Extension Catalog publication Peer reviewed (Orange level)

Pinot leaf curl disorder

Pinot leaf curl is a physiological disorder of wine grapes marked by characteristic foliar symptoms early in the season. It may be associated with prolonged cool temperatures and disruption of typical nitrogen metabolism in developing shoots.

Cody Copp, Alexander Levin | Jan 2023 | Article Peer reviewed (Gray level)

Managing grapevines during a heat spike

Oregon grape growers face challenges as the frequency and severity of extreme heat events increase due to climate change. Here's how grape growers can protect their crops during a heat wave.

Cody Copp, Alexander Levin | May 2022 | Article Peer reviewed (Gray level)

Testing and Tracking the Spread of Grapevine Red Blotch Virus in Oregon Vineyards

Grapevine red blotch virus (GRVB) is one of about 80 viruses infecting wine grapes worldwide. It may affect fruit ripening and thus impact the quality of finished wines. GRBV incidence increased from two to 10 ...

Daniel Dalton, Jessica Buser-Young, Samantha Nizich, Alexander Levin, Vaughn Walton, Richard Hilton, Linda Brewer | Jan 2021 | Extension Catalog publication Peer reviewed (Orange level)

How to monitor the water needs of grapevines with and without irrigation

In most years, vineyards in Oregon start the season with a full soil water profile. As the season progresses, the soil dries out. Here's how to gauge a vineyard's water needs and methods for meeting them.

Alexander Levin | Oct 2018 | Article

Scheduling Irrigation with a Pressure Chamber Part 2

Step by step instruction on how to use a pressure chamber as a tool to help you schedule irrigation in wine grape vineyards. Dr. Alexander Levin walks through the steps of using a pressure chamber to measure leaf water potential and stem water potential. Part 2 of 2 http://owri.oregonstate.edu

Alexander Levin | Jul 2018 | Video Peer reviewed (Gray level)

Scheduling Irrigation with a Pressure Chamber Part 1

How to use a pressure chamber as a tool to help you schedule irrigation in wine grape vineyards. The two most important questions you need to answer for irrigation scheduling are “How much?” and “When?” The pressure ...

Alexander Levin | Jul 2018 | Video Peer reviewed (Gray level)

Alex Levin, Viticulturist

Alex Levin is an assistant professor of viticulture with Oregon State University’s Department of Horticulture. He's also a core researcher with the Oregon Wine Research Institute at the Southern Oregon Research and Extension Center...

Alexander Levin | Apr 2018 | Video

Southern Oregon wine grapes may need less water, OSU Extension study shows

Levin estimated annual wine grape needs at 11.4 inches annually, depending on time of year – a vast difference for water-starved southern Oregon, which is already bracing for another drought.

Kym Pokorny | Jun 3, 2021 | News story

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