Why Does Your Tree Look Sick?
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.
Spikeweed
Can spraying this weed at the right time keep it out of our fields?
How to collect a plant specimen for disease diagnosis
A guide for how to collect and where to get a sample analyzed for plant diseases.
Grapevine Trunk Diseases in Oregon
A summary of the main trunk diseases causing issues in Oregon and management methods.