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Identification of Invasive and Reemerging Pests on Hazelnuts

Describes key identification features, life cycle, and pest status of filbertworm, filbert weevil, filbert aphid, and hazelnut aphid. Includes color photos.

Vaughn Walton, Ute Chambers, Amy J. Dreves, Denny Bruck, Jeff L. Olsen | Dec 2007 | 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)

Nightshade: Biology and Control in the Pacific Northwest

Weed species in the Solanaceae (nightshade) family cause some of the most serious weed-related problems in Pacific Northwest agriculture. Nightshade control is difficult because the weeds are so widely adapted, their ...

Tim Miller-Morgan, Robert (Bob) Parker | Sep 2006 | Extension Catalog publication Peer reviewed (Orange level)

Integrated Pest Management for Potatoes in the Western United States: Second Edition

Designed for use by growers, pest control advisers, crop managers, and county agents in the western states, this manual also is an invaluable reference for anyone interested in potato production. The second edition contains extensively revised sections on aphid management and virus transmission, leafhoppers and phytoplasma transmission, late blight, bacterial early dying, black dot, silver scurf, and cover crops for nematode management. Inside you will also find 51 new color photos, a section on organic potato production, and a comprehensive index.

Larry Strand | Apr 2006 | Online resource

White Campion or White Cockle

White campion, also known as white cockle, contaminates hay fields, roadsides, ditches, and fencerows because of its high rate of seed production and tolerance to many herbicides. This publication provides information ...

John Kugler, Robert (Bob) Parker | Apr 2006 | Extension Catalog publication Peer reviewed (Orange level)

Oxeye Daisy

This publication describes how to recognize and manage oxeye daisy in pastures, rangelands, and roadsides.

Steven Hines, Timothy S. Prather, Sandra S. Robins | May 2005 | Extension Catalog publication Peer reviewed (Orange level)

Blueberry Gall Midge: A Possible New Pest in the Northwest

Discusses symptoms of blueberry gall midge infestation, biology and life cycle of the midge, monitoring, and potential for damage. Color photos and sampling instructions included.

Wei Qiang Yang | May 2005 | 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)

Scotch Thistle

Scotch thistle was introduced to the United States in the 1800s as an ornamental plant from the Mediterranean region. It is a noxious weed in Idaho, Oregon, and Washington. Scotch thistle can form dense, ...

Matthew Schuster, Timothy S. Prather | Sep 2003 | Extension Catalog publication Peer reviewed (Orange level)

Controlling Pocket Gopher Damage to Conifer Seedlings

Pocket gophers girdle (remove bark from) the bases of conifer seedlings and saplings, causing significant economic losses. This publication will help you design a program to reduce or eliminate gopher damage to ...

David S. deCalesta, Kim Asman, Nancy Allen | May 2003 | Extension Catalog publication Peer reviewed (Orange level)

OSU Extension Service

Integrated pest management