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.
Help! Tansy is getting the upper hand.
Q: Where can I get some of the tansy flea beetles ? We used these many years ago and they did an incredible job. I do have some of the cinnabar larva present but they never start working early enough to prevent the plants from going to seed. The neighboring property has an enormous tansy crop and I am losing ground to this plant in my pasture.
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.
Tansy Ragwort
Tansy ragwort, an invasive weed that can harm certain types of livestock, is making a comeback in western Oregon. Find out how to control it and protect your animals.