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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.

Jun 2018 | Article

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.

Melodie Putnam, Carol Savonen | Jul 2014 | Article

Grass Tetany: fast growing grass can mean problems.

Mature cattle grazing pasture with rapidly growing grass are sometimes found to be afflicted with a disease called grass tetany. It is characterized by an uncoordinated gait (grass staggers), convulsions, coma, and death. The primary cause is limited dietary intake of magnesium (Mg) leading to hypomagnesemia (low blood Mg) in the cow. Cows nearing calving and up to two months ...

Shelby Filley | May 2015 | Article

Grapevine Trunk Diseases in Oregon

A summary of the main trunk diseases causing issues in Oregon and management methods.

Melodie Putnam | Mar 2019 | Article