Managing Phytophthora diseases in the nursery

Four critical control points have been identified to prevent the entry of waterborne diseases such as Phytophthora and Pythium into nursery production. These are:

By preventing or managing disease outbreaks at these points in the production cycle, you can minimize the damage and loss of product, and grow clean, healthy plants.

More information:

WSU Puyallup Research & Extension Center
2606 West Pioneer, Puyallup, WA, 98371-4998 USA
Last updated 9/24/2025