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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)

A Detailed Guide for Testing Fruit for the Presence of Spotted Wing Drosophila (SWD) Larvae

This detailed guide illustrates how to test fruit for the presence of the Spotted Wing Drosophila larvae by crushing the fruit, immersing it into a salt or sugar solution, and examining the fruit debris for larvae and pupae.

Amy J. Dreves, Adam Cave, Jana Lee | Oct 2014 | Extension Catalog publication Peer reviewed (Orange level)

How hormones and growth regulators affect your plants

Plant hormones and growth regulators are chemicals that affect flowering, aging, root growth, distortion and killing of organs, prevention or promotion of stem elongation, color enhancement of fruit, prevention of leafing and/or leaf fall, and many other conditions.

Ann Marie VanDerZanden | Jul 2012 | Article

2023 Hazelnut Pest Management Guide for the Willamette Valley

Learn how to control insects, weeds and disease during each stage of hazelnut growth. View the app version View diseases, pests and products by crop stage on a web-based app. Try the app

Nik Wiman, Jay W. Pscheidt, Marcelo Moretti | Apr 2023 | Extension Catalog publication Peer reviewed (Orange level)

2023 Willamette Valley Pest Management Guide for Cherries

Get updated recommendations for insect, mite and disease control in cherry orchards of the Willamette Valley.

Nik Wiman, Jay W. Pscheidt, Marcelo Moretti | Apr 2023 | Extension Catalog publication Peer reviewed (Orange level)

2023 Pest Management Guide for Peaches

Get the latest recommendations for insect, mite and disease control in peach orchards of the Willamette Valley.

Nik Wiman, Jay W. Pscheidt, Marcelo Moretti | Apr 2023 | Extension Catalog publication Peer reviewed (Orange level)

Mothballs: Proper Use and Alternative Controls for Clothes Moths

There are many ways to control clothes moths, including sanitary, structural, and chemical methods. This broad approach is known as Integrated Pest Management. If you use mothballs, there are some things you should know to keep you, your family, and your pets safe.

Dave Stone, Tim Stock | May 2008 | Extension Catalog publication Peer reviewed (Orange level)

Lygus bugs on potatoes in the Pacific Northwest

This publication describes how to identify lygus bugs, their composition in potato fields in the PNW, the kinds of damage they do to potato plants, and how lygus bugs may be potential vectors of potato ...

Josephine Antwi, Silvia I. Rondon, Rodney Cooper | Aug 2017 | Extension Catalog publication Peer reviewed (Orange level)

Volunteer's discovery adds to knowledge of rare Oregon bee species

The small stonecrop mason bee (Hoplitis emarginata) had never been found in Oregon until 2019 when it was discovered by Master Melittologist Judi Maxwell in the Siskiyou Mountains in southern Oregon. Only one person had seen it...

Lincoln Best, Andony Melathopoulos | Nov 2021 | Article

Wheat Head Armyworm True or False: A Tale from the Pacific Northwest

Armyworm caterpillars can be a troublesome pest in cereal grains grown in the Pacific Northwest states. This publication presents information about the pest and its control.

Silvia I. Rondon, Mary Corp, Diana Roberts, Keith S. Pike, Peter J. Landolt, Dustin Keys | May 2011 | Extension Catalog publication Peer reviewed (Orange level)