Sagebrush ecosystems in the northern Great Basin are threatened by encroaching juniper and invasive annual grasses. This guide presents a simplified framework to help land managers assess and monitor these threats at...
Dustin Johnson, Matt Cahill, Chad Boyd, Vanessa Schroeder, Lee Foster, Angela Sitz, Jay Kerby, Tony J. Svejcar, Jackie Cupples |
Jun 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
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
This publication is an introduction to the Megachilidae family of bees found in the Pacific Northwest. It highlights the characteristics of two important members of this family: leafcutting bees and mason bees, both...
An overview of how a variety of wild and managed bees and their pollination activities are affected by pesticide application. Provides guidelines for how beekeepers, growers, and pesticide applicators can work ...
Louisa Hooven, Ramesh Sagili, Erik Johansen |
Mar 2016 |
Extension Catalog publicationPeer reviewed (Orange level)
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.
A look at pest data for onions grown in the Treasure Valley demonstrates the yield and economic impacts of specific pests and management practices. This data can help researchers, crop consultants and those ...
Katie Murray, Isaac Sandlin, Peter Ellsworth, Paul Jepson, Al Fournier, Hang-Kwang Luh, Stuart Reitz |
Jun 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
A collection of articles for growing vegetables in Central Oregon. Include general information, recommendations, soil temperatures, rhubarb, potatoes, cucumbers, beets, carrots, radishes, onions, tomatoes and tomatillos.
Onion growers in Treasure Valley have faced difficulties in controlling thrips. One of the problems is resistance to commonly used insecticides. Researchers conducted tests to find the most effective insecticides.