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Showing 1 - 4 of 4 results.

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

Reviewing Site Productivity Classifications for Forest Property Taxes: A Case Study

Statewide, timberland owners have gone through forest property tax law changes. The process alerted Marshall Kirby, Master Woodland Manager, to issues related to DOR (Dept. of Revenue) assigned forestland classes (also known as site class and forest class) for our timberlands.

Marshall Kirby | Jul 2004 | 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