For years, a small wasp has helped control the cereal leaf beetle, a pest of grass and cereal grains. But now beetle numbers are climbing. Here are some options to reduce this pest's impact on crops.
Discusses how to identify and control Pacific poison-oak and western poison-ivy, and how to prevent exposure to the plants' oily substance, urushiol, which can cause an allergic contact dermatitis.
Brooke Edmunds, Lauren Grand, Alicia Christiansen, Andy Hulting |
Nov 2022 |
Extension Catalog publicationPeer reviewed (Orange level)
Poisonous plants are a major cause of economic loss to the livestock industry. Two poisonous plants common to Oregon are poison hemlock and Western water hemlock. Ingestion of either by humans or livestock typically results in death.
Poison oak plants contain a chemical that causes a severe rash. Learn how to spot a plant, safely remove, and clean your clothes, gear and skin afterward to prevent a rash.
Silage-making has been used to reduce the concentrations of toxins in a variety of crops. But in the case of poison hemlock, the opposite is true — making silage out of it actually increases one of its toxic alkaloids.
Cassie Bouska, Amy Peters |
Jan 2006 |
Article
Photo: Rebecca Utrup Marcotte (Cropped from original)
Extreme summer heat can pose a danger to bees. Although bees have ways to keep cool, many gardeners put out shallow trays of water and pebbles to help them. Does that help? Here's what the science says.
Your garden is full of insects—some friends, some foes. Learn how to identify insects so that you know how to respond when you see them in your garden.
In the Pacific Northwest alone, there are more than 28,000 identified species of insects. Most of the insects in our yards and gardens are harmless or even beneficial, but some cause plant damage or are a nuisance for ...