Discusses three major types of madrone diseases--foliage, branch dieback and trunk canker, and root--and ways to minimize and manage. Discusses insect pests of madrone: fall webworm, western tent caterpillar, aphids, and leaf miners. Color photos. Sources of further information.
Gives basic facts about a serious plant disease called Sudden Oak Death, caused by the pathogen Phytophthora ramorum. Describes risk of disease to forest health and to commercial nursery industry. Shows disease ...
Discusses identification, life cycle, monitoring, action thresholds, biological control, organic controls, and chemical controls. Includes color photos for identification.
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.
Fall and winter flowers add cheer in the Pacific Northwest's rainy season. Flowering shrubs are also a boost to pollinators, providing nectar and pollen when little is available. Learn what shrubs and trees to plant now to brighten your garden in the months to come.
Neil Bell, Heather Stoven, Andony Melathopoulos |
Mar 2020 |
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.
The monthly grazing capacity of a pasture can be stated as animal unit months, AUM for short. It is calculated by estimating the amount of forage an animal eats each day — 2.5% to 3% of its body weight — times 30 days.
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)