Darrin Walenta

Billbug Species Complex in Grass Seed Production Systems of Oregon: Characteristics, Impact and Management Options

Billbugs are pests you may see in turf grasses or in grass seed production. Learn the characteristics of billbug feeding damage, their impact on grass seed crops and effective management strategies.

Navneet Kaur, Nicole Anderson, Darrin Walenta, Brian Donovan, Alison Willette, John Spring, Claira Goracke, Jeremiah Dung | May 2024 | Extension Catalog publication Peer reviewed (Orange level)

Integrated Pest Management Guidelines and Biocontrol of Cereal Leaf Beetle in the Pacific Northwest

For years, a small wasp has helped control the cereal leaf beetle, a pest of grass and cereal grains. But now beetle numbers are climbing. Here are some options to reduce this pest's impact on crops.

Darrin Walenta, Navneet Kaur, Nicole Anderson, Seth Dorman, Alison Willette, Claira Goracke, Sanford Eigenbrode, Brian Charlton | Jan 2024 | Extension Catalog publication Peer reviewed (Orange level)

Increasing the Reach of Integrated Pest Management Through Community Partnerships

This publication summarizes the learner-centered education methods and community outcomes of three Extension partnerships. These projects increased the use of integrated pest management and pesticide risk reduction practices...

Mary Halbleib, Cassie Bouska, Gordon B. Jones, Darrin Walenta | Jul 2021 | Extension Catalog publication Peer reviewed (Orange level)

Measuring the Economic Impact of Pests and Pest Management on Oregon Peppermint

This summary demonstrates the yield and economic impacts of pests and pest management practices on the 2018 crop of Oregon peppermint. Researchers, Extension workers and crop consultants will benefit from this ...

Katie Murray, Isaac Sandlin, Paul Jepson, Darrin Walenta, Peter Ellsworth, Al Fournier, Hans Luh | Jun 2023 | Extension Catalog publication Peer reviewed (Orange level)

Integrated Pest Management Strategic Plan for Oregon, Washington and Idaho Mint Crops

To identify pest management priorities and lay a foundation for future strategies and increased use of integrated pest management (IPM) in mint production, growers, commodity-group representatives, pest control advisors, ...

Katie Murray, Darrin Walenta, Paul Jepson, Isaac Sandlin | Oct 2020 | Extension Catalog publication Peer reviewed (Orange level)

Potato psyllid vector of zebra chip disease in the Pacific Northwest

Zebra chip disease is a potato infection emergent in the Pacific Northwest. Learn about the bacterium, the biology of the potato psyllid vector, the damage it causes and management techniques.

Silvia I. Rondon, Alan Schreiber, Phil Hamm, Nora Olsen, Erik Wenninger, Carrie Wohleb, Tim Waters, Rodney Cooper, Darrin Walenta, Stuart Reitz | Jun 2023 | Extension Catalog publication Peer reviewed (Orange level)

Irrigated Kentucky bluegrass (Eastern Oregon) nutrient management guide

Ensure the health of your Kentucky bluegrass with this guide on essential soil nutrients. Understand the impact of soil nutrients on growth and the best practices for effective nutrient application.

Richard P. Affeldt, Darrin Walenta, John M. Hart, Donald A. Horneck, Gary Kiemnec | May 2024 | Extension Catalog publication Peer reviewed (Orange level)