Most “sick tree” problems can be traced back to underlying stresses that have reduced the tree's vigor, making it more vulnerable to diseases or insect pests.
This small plant causes extensive crop loss. Is it still missing?
A guide for how to collect and where to get a sample analyzed for plant diseases.
Weeds can lower the quality and quantity of forage in a pasture or hayfield. In general, weeds have lower protein and energy than improved, cool season perennial and annual forages under good grazing management. The palatability (taste, acceptability) and yield (pounds) of weeds is usually lower than desirable forage. However, carefully done, some weeds may be grazed by sheep or...
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.
A summary of the main trunk diseases causing issues in Oregon and management methods.