Discusses identification, life cycle, monitoring, action thresholds, biological control, organic controls, and chemical controls. Includes color photos for identification.
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 publicationPeer reviewed (Orange level)
Discusses options for managing major insect pests and diseases of conifers in Oregon forests: bark beetles, wood borers, and ambrosia beetles; defoliators; aphids, adelgids, and scale insects; terminal and branch ...
Paul T. Oester, David C. Shaw, Gregory M. Filip |
Jan 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Selecting roses for landscape use may seem like an impossible task, but with a few key elements in mind, you can select a rose or a group of roses to complement your new or current landscape.
Barbara McMullen |
May 2007 |
Article
Photo Credit: maxbelchenko - Adobe Stock (Cropped from original)
November gardening tasks include raking up leaves and debris and covering plants for the winter. November is also an ideal time for maintenance on lawnmowers and draining sprinkler systems. Learn more in this guide.
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.
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.
Azalea lace bug is an emerging pest in Oregon that can be quite damaging to azaleas and rhododendrons, very popular plants in Oregon nurseries and landscapes. This publication offers information on identification, timing, and management options for this new pest.
Depending on where in Oregon you reside, you may need to protect your garden from the harsh end-of-summer heat or start preparing for frost and gusty winds in September. Learn more in this guide.
Many varieties of tall fescue and perennial ryegrass are infected with a fungal endophyte. Endophytes produce bioactive compounds that, while beneficial to the host plants, can be toxic to livestock that consume ...
Gene Pirelli, Nicole Anderson, A. Morrie Craig, Carolyn A. Young |
Nov 2016 |
Extension Catalog publicationPeer reviewed (Orange level)