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Cereal Cyst Nematodes

Cereal cyst nematodes reduce yields of wheat, barley, and oats in the Pacific Northwest states of Idaho, Oregon, and Washington. It is estimated that these pests reduce wheat profitability in these states by at ...

Richard Smiley | Apr 2020 | Extension Catalog publication Peer reviewed (Orange level)

Root-lesion nematodes: Biology and management in Pacific Northwest wheat cropping systems

Nematodes are tiny but complex unsegmented roundworms that are anatomically differentiated for feeding, digestion, locomotion, and reproduction. These small animals make important contributions to organic matter decomposition ...

Richard Smiley | Sep 2019 | Extension Catalog publication Peer reviewed (Orange level)

Wireworms: A Pest of Monumental Proportions

An overview of identifying, monitoring, and managing wireworms.

Silvia I. Rondon, Amber Vinchesi, Arash Rashed, David Crowder | Jul 2017 | Extension Catalog publication Peer reviewed (Orange level)

Grape Phylloxera: Biology and Management in the Pacific Northwest

Describes the life cycle and injury symptoms of grape phylloxera, Daktulosphaira vitifoliae (Fitch), an aphidlike insect that feeds on grape roots. Discusses strategies for reducing the risk of phylloxera infestation, ...

Patricia A. Skinkis, Vaughn Walton, Clive Kaiser | Jul 2021 | Extension Catalog publication Peer reviewed (Orange level)

Plant-parasitic nematodes affecting small grain cereals in the Pacific Northwest

Discusses several species of plant-parasitic nematodes that occur where small-grain crops are produced in the Pacific Northwest. Covers nematode biology, symptoms of injury, yield constraints, management, sampling, and diagnostic services.

Richard Smiley | Oct 2015 | Extension Catalog publication Peer reviewed (Orange level)

Biology and Management of the Potato Tuberworm in the Pacific Northwest

Discusses the status of the potato tuberworm in the Pacific Northwest, explains the pest's life cycle, and includes color photos for identification. Suggests strategies for monitoring and control, including cultural and chemical control methods.

Silvia I. Rondon, Sandy DeBano, George Clough, Phil Hamm, Andrew Jensen, Alan Schreiber, Juan M. Alvarez, Michael Thornton, James Barbour, Mahmut Dogramaci | Apr 2007 | Extension Catalog publication Peer reviewed (Orange level)

Winter Grain Mite: A Fall and Winter Pest of Cereals and Grasses in Oregon

Describes winter grain mite (Penthaleus major), a pest of grass and cereal crops in the Pacific Northwest: its appearance, hosts, and life history and how to scout for and control the pest.

Brian Tuck, Mylen Bohle, Amy J. Dreves, Glenn Fisher | Mar 2009 | Extension Catalog publication Peer reviewed (Orange level)

Leaf-Feeding Sawflies in Wheat

Documents 2003 wheat sawfly outbreak in Oregon. Provides growers and field consultants with educational information needed for decision making on fly control. Includes photos.

Mary Corp, Glenn Fisher | Oct 2003 | Extension Catalog publication Peer reviewed (Orange level)

Armyworms in Grass Pastures and Corn in Western Oregon

Discusses identification, life cycle, monitoring, action thresholds, biological control, organic controls, and chemical controls. Includes color photos for identification.

Amy Peters, Glenn Fisher | Nov 2006 | Extension Catalog publication Peer reviewed (Orange level)